.mailmap

@@ -223,8 +223,6 @@ Dmitry Safonov <0x7f454c46@gmail.com> <d.safonov@partner.samsung.com>
 Dmitry Safonov <0x7f454c46@gmail.com> <dsafonov@virtuozzo.com>
 Domen Puncer <domen@coderock.org>
 Douglas Gilbert <dougg@torque.net>
-Drew Fustini <fustini@kernel.org> <drew@pdp7.com>
-<duje@dujemihanovic.xyz> <duje.mihanovic@skole.hr>
 Ed L. Cashin <ecashin@coraid.com>
 Elliot Berman <quic_eberman@quicinc.com> <eberman@codeaurora.org>
 Enric Balletbo i Serra <eballetbo@kernel.org> <enric.balletbo@collabora.com>
@@ -416,7 +414,6 @@ Kenneth W Chen <kenneth.w.chen@intel.com>
 Kenneth Westfield <quic_kwestfie@quicinc.com> <kwestfie@codeaurora.org>
 Kiran Gunda <quic_kgunda@quicinc.com> <kgunda@codeaurora.org>
 Kirill Tkhai <tkhai@ya.ru> <ktkhai@virtuozzo.com>
-Kirill A. Shutemov <kas@kernel.org> <kirill.shutemov@linux.intel.com>
 Kishon Vijay Abraham I <kishon@kernel.org> <kishon@ti.com>
 Konrad Dybcio <konradybcio@kernel.org> <konrad.dybcio@linaro.org>
 Konrad Dybcio <konradybcio@kernel.org> <konrad.dybcio@somainline.org>
@@ -833,6 +830,3 @@ Yosry Ahmed <yosry.ahmed@linux.dev> <yosryahmed@google.com>
 Yusuke Goda <goda.yusuke@renesas.com>
 Zack Rusin <zack.rusin@broadcom.com> <zackr@vmware.com>
 Zhu Yanjun <zyjzyj2000@gmail.com> <yanjunz@nvidia.com>
-Zijun Hu <zijun.hu@oss.qualcomm.com> <quic_zijuhu@quicinc.com>
-Zijun Hu <zijun.hu@oss.qualcomm.com> <zijuhu@codeaurora.org>
-Zijun Hu <zijun_hu@htc.com>

CREDITS

@@ -2981,11 +2981,6 @@ S: 521 Pleasant Valley Road
 S: Potsdam, New York 13676
 S: USA
 
-N: Shannon Nelson
-E: sln@onemain.com
-D: Worked on several network drivers including
-D: ixgbe, i40e, ionic, pds_core, pds_vdpa, pds_fwctl
-
 N: Dave Neuer
 E: dave.neuer@pobox.com
 D: Helped implement support for Compaq's H31xx series iPAQs

Documentation/ABI/testing/sysfs-devices-power

@@ -56,7 +56,7 @@ Date:		January 2009
 Contact:	Rafael J. Wysocki <rjw@rjwysocki.net>
 Description:
 		The /sys/devices/.../async attribute allows the user space to
-		enable or disable the device's suspend and resume callbacks to
+		enable or diasble the device's suspend and resume callbacks to
 		be executed asynchronously (ie. in separate threads, in parallel
 		with the main suspend/resume thread) during system-wide power
 		transitions (eg. suspend to RAM, hibernation).

Documentation/ABI/testing/sysfs-devices-system-cpu

@@ -584,7 +584,6 @@ What:		/sys/devices/system/cpu/vulnerabilities
 		/sys/devices/system/cpu/vulnerabilities/spectre_v1
 		/sys/devices/system/cpu/vulnerabilities/spectre_v2
 		/sys/devices/system/cpu/vulnerabilities/srbds
-		/sys/devices/system/cpu/vulnerabilities/tsa
 		/sys/devices/system/cpu/vulnerabilities/tsx_async_abort
 Date:		January 2018
 Contact:	Linux kernel mailing list <linux-kernel@vger.kernel.org>

Documentation/ABI/testing/sysfs-driver-ufs

@@ -711,7 +711,7 @@ Description:	This file shows the thin provisioning type. This is one of
 
 		The file is read only.
 
-What:		/sys/class/scsi_device/*/device/unit_descriptor/physical_memory_resource_count
+What:		/sys/class/scsi_device/*/device/unit_descriptor/physical_memory_resourse_count
 Date:		February 2018
 Contact:	Stanislav Nijnikov <stanislav.nijnikov@wdc.com>
 Description:	This file shows the total physical memory resources. This is

Documentation/ABI/testing/sysfs-edac-scrub

@@ -49,12 +49,6 @@ Description:
 		(RO) Supported minimum scrub cycle duration in seconds
 		by the memory scrubber.
 
-		Device-based scrub: returns the minimum scrub cycle
-		supported by the memory device.
-
-		Region-based scrub: returns the max of minimum scrub cycles
-		supported by individual memory devices that back the region.
-
 What:		/sys/bus/edac/devices/<dev-name>/scrubX/max_cycle_duration
 Date:		March 2025
 KernelVersion:	6.15
@@ -63,16 +57,6 @@ Description:
 		(RO) Supported maximum scrub cycle duration in seconds
 		by the memory scrubber.
 
-		Device-based scrub: returns the maximum scrub cycle supported
-		by the memory device.
-
-		Region-based scrub: returns the min of maximum scrub cycles
-		supported by individual memory devices that back the region.
-
-		If the memory device does not provide maximum scrub cycle
-		information, return the maximum supported value of the scrub
-		cycle field.
-
 What:		/sys/bus/edac/devices/<dev-name>/scrubX/current_cycle_duration
 Date:		March 2025
 KernelVersion:	6.15

Documentation/admin-guide/cgroup-v2.rst

@@ -1732,6 +1732,12 @@ The following nested keys are defined.
 	  numa_hint_faults (npn)
 		Number of NUMA hinting faults.
 
+	  numa_task_migrated (npn)
+		Number of task migration by NUMA balancing.
+
+	  numa_task_swapped (npn)
+		Number of task swap by NUMA balancing.
+
 	  pgdemote_kswapd
 		Number of pages demoted by kswapd.
 

Documentation/admin-guide/hw-vuln/processor_mmio_stale_data.rst

@@ -157,7 +157,9 @@ This is achieved by using the otherwise unused and obsolete VERW instruction in
 combination with a microcode update. The microcode clears the affected CPU
 buffers when the VERW instruction is executed.
 
-Kernel does the buffer clearing with x86_clear_cpu_buffers().
+Kernel reuses the MDS function to invoke the buffer clearing:
+
+	mds_clear_cpu_buffers()
 
 On MDS affected CPUs, the kernel already invokes CPU buffer clear on
 kernel/userspace, hypervisor/guest and C-state (idle) transitions. No

Documentation/admin-guide/kernel-parameters.txt

@@ -7488,19 +7488,6 @@
 			having this key zero'ed is acceptable. E.g. in testing
 			scenarios.
 
-	tsa=		[X86] Control mitigation for Transient Scheduler
-			Attacks on AMD CPUs. Search the following in your
-			favourite search engine for more details:
-
-			"Technical guidance for mitigating transient scheduler
-			attacks".
-
-			off		- disable the mitigation
-			on		- enable the mitigation (default)
-			user		- mitigate only user/kernel transitions
-			vm		- mitigate only guest/host transitions
-
-
 	tsc=		Disable clocksource stability checks for TSC.
 			Format: <string>
 			[x86] reliable: mark tsc clocksource as reliable, this

Documentation/arch/x86/mds.rst

@@ -93,7 +93,7 @@ enters a C-state.
 
 The kernel provides a function to invoke the buffer clearing:
 
-    x86_clear_cpu_buffers()
+    mds_clear_cpu_buffers()
 
 Also macro CLEAR_CPU_BUFFERS can be used in ASM late in exit-to-user path.
 Other than CFLAGS.ZF, this macro doesn't clobber any registers.
@@ -185,9 +185,9 @@ Mitigation points
    idle clearing would be a window dressing exercise and is therefore not
    activated.
 
-   The invocation is controlled by the static key cpu_buf_idle_clear which is
+   The invocation is controlled by the static key mds_idle_clear which is
-   switched depending on the chosen mitigation mode and the SMT state of the
+   switched depending on the chosen mitigation mode and the SMT state of
-   system.
+   the system.
 
    The buffer clear is only invoked before entering the C-State to prevent
    that stale data from the idling CPU from spilling to the Hyper-Thread

Documentation/bpf/map_hash.rst

@@ -233,16 +233,10 @@ attempts in order to enforce the LRU property which have increasing impacts on
 other CPUs involved in the following operation attempts:
 
 - Attempt to use CPU-local state to batch operations
-- Attempt to fetch ``target_free`` free nodes from global lists
+- Attempt to fetch free nodes from global lists
 - Attempt to pull any node from a global list and remove it from the hashmap
 - Attempt to pull any node from any CPU's list and remove it from the hashmap
 
-The number of nodes to borrow from the global list in a batch, ``target_free``,
-depends on the size of the map. Larger batch size reduces lock contention, but
-may also exhaust the global structure. The value is computed at map init to
-avoid exhaustion, by limiting aggregate reservation by all CPUs to half the map
-size. With a minimum of a single element and maximum budget of 128 at a time.
-
 This algorithm is described visually in the following diagram. See the
 description in commit 3a08c2fd7634 ("bpf: LRU List") for a full explanation of
 the corresponding operations:

Documentation/bpf/map_lru_hash_update.dot

@@ -35,18 +35,18 @@ digraph {
   fn_bpf_lru_list_pop_free_to_local [shape=rectangle,fillcolor=2,
     label="Flush local pending,
     Rotate Global list, move
-    target_free
+    LOCAL_FREE_TARGET
     from global -> local"]
   // Also corresponds to:
   // fn__local_list_flush()
   // fn_bpf_lru_list_rotate()
   fn___bpf_lru_node_move_to_free[shape=diamond,fillcolor=2,
-    label="Able to free\ntarget_free\nnodes?"]
+    label="Able to free\nLOCAL_FREE_TARGET\nnodes?"]
 
   fn___bpf_lru_list_shrink_inactive [shape=rectangle,fillcolor=3,
     label="Shrink inactive list
       up to remaining
-      target_free
+      LOCAL_FREE_TARGET
       (global LRU -> local)"]
   fn___bpf_lru_list_shrink [shape=diamond,fillcolor=2,
     label="> 0 entries in\nlocal free list?"]

Documentation/devicetree/bindings/clock/mediatek,mt8188-clock.yaml

@@ -52,9 +52,6 @@ properties:
   '#clock-cells':
     const: 1
 
-  '#reset-cells':
-    const: 1
-
 required:
   - compatible
   - reg

Documentation/devicetree/bindings/display/bridge/ti,sn65dsi83.yaml

@@ -118,11 +118,15 @@ $defs:
           ti,lvds-vod-swing-clock-microvolt:
             description: LVDS diferential output voltage <min max> for clock
               lanes in microvolts.
+            $ref: /schemas/types.yaml#/definitions/uint32-array
+            minItems: 2
             maxItems: 2
 
           ti,lvds-vod-swing-data-microvolt:
             description: LVDS diferential output voltage <min max> for data
               lanes in microvolts.
+            $ref: /schemas/types.yaml#/definitions/uint32-array
+            minItems: 2
             maxItems: 2
 
 allOf:

Documentation/devicetree/bindings/i2c/realtek,rtl9301-i2c.yaml

@@ -26,8 +26,7 @@ properties:
       - const: realtek,rtl9301-i2c
 
   reg:
-    items:
+    description: Register offset and size this I2C controller.
-      - description: Register offset and size this I2C controller.
 
   "#address-cells":
     const: 1

Documentation/devicetree/bindings/input/elan,ekth6915.yaml

@@ -4,14 +4,14 @@
 $id: http://devicetree.org/schemas/input/elan,ekth6915.yaml#
 $schema: http://devicetree.org/meta-schemas/core.yaml#
 
-title: Elan I2C-HID touchscreen controllers
+title: Elan eKTH6915 touchscreen controller
 
 maintainers:
   - Douglas Anderson <dianders@chromium.org>
 
 description:
-  Supports the Elan eKTH6915 and other I2C-HID touchscreen controllers.
+  Supports the Elan eKTH6915 touchscreen controller.
-  These touchscreen controller use the i2c-hid protocol with a reset GPIO.
+  This touchscreen controller uses the i2c-hid protocol with a reset GPIO.
 
 allOf:
   - $ref: /schemas/input/touchscreen/touchscreen.yaml#
@@ -23,14 +23,12 @@ properties:
           - enum:
               - elan,ekth5015m
           - const: elan,ekth6915
-      - items:
-          - const: elan,ekth8d18
-          - const: elan,ekth6a12nay
       - enum:
           - elan,ekth6915
           - elan,ekth6a12nay
 
-  reg: true
+  reg:
+    const: 0x10
 
   interrupts:
     maxItems: 1

Documentation/devicetree/bindings/net/allwinner,sun8i-a83t-emac.yaml

@@ -23,7 +23,7 @@ properties:
               - allwinner,sun20i-d1-emac
               - allwinner,sun50i-h6-emac
               - allwinner,sun50i-h616-emac0
-              - allwinner,sun55i-a523-gmac0
+              - allwinner,sun55i-a523-emac0
           - const: allwinner,sun50i-a64-emac
 
   reg:

Documentation/devicetree/bindings/net/sophgo,sg2044-dwmac.yaml

@@ -80,8 +80,6 @@ examples:
       interrupt-parent = <&intc>;
       interrupts = <296 IRQ_TYPE_LEVEL_HIGH>;
       interrupt-names = "macirq";
-      phy-handle = <&phy0>;
-      phy-mode = "rgmii-id";
       resets = <&rst 30>;
       reset-names = "stmmaceth";
       snps,multicast-filter-bins = <0>;
@@ -93,6 +91,7 @@ examples:
       snps,mtl-rx-config = <&gmac0_mtl_rx_setup>;
       snps,mtl-tx-config = <&gmac0_mtl_tx_setup>;
       snps,axi-config = <&gmac0_stmmac_axi_setup>;
+      status = "disabled";
 
       gmac0_mtl_rx_setup: rx-queues-config {
         snps,rx-queues-to-use = <8>;

Documentation/devicetree/bindings/serial/8250.yaml

@@ -45,7 +45,7 @@ allOf:
                   - ns16550
                   - ns16550a
     then:
-      oneOf:
+      anyOf:
         - required: [ clock-frequency ]
         - required: [ clocks ]
 

Documentation/devicetree/bindings/serial/altera_jtaguart.txt

@@ -0,0 +1,5 @@
+Altera JTAG UART
+
+Required properties:
+- compatible : should be "ALTR,juart-1.0" <DEPRECATED>
+- compatible : should be "altr,juart-1.0"

Documentation/devicetree/bindings/serial/altera_uart.txt

@@ -0,0 +1,8 @@
+Altera UART
+
+Required properties:
+- compatible : should be "ALTR,uart-1.0" <DEPRECATED>
+- compatible : should be "altr,uart-1.0"
+
+Optional properties:
+- clock-frequency : frequency of the clock input to the UART

Documentation/devicetree/bindings/serial/altr,juart-1.0.yaml

@@ -1,19 +0,0 @@
-# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
-%YAML 1.2
----
-$id: http://devicetree.org/schemas/serial/altr,juart-1.0.yaml#
-$schema: http://devicetree.org/meta-schemas/core.yaml#
-
-title: Altera JTAG UART
-
-maintainers:
-  - Dinh Nguyen <dinguyen@kernel.org>
-
-properties:
-  compatible:
-    const: altr,juart-1.0
-
-required:
-  - compatible
-
-additionalProperties: false

Documentation/devicetree/bindings/serial/altr,uart-1.0.yaml

@@ -1,25 +0,0 @@
-# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
-%YAML 1.2
----
-$id: http://devicetree.org/schemas/serial/altr,uart-1.0.yaml#
-$schema: http://devicetree.org/meta-schemas/core.yaml#
-
-title: Altera UART
-
-maintainers:
-  - Dinh Nguyen <dinguyen@kernel.org>
-
-allOf:
-  - $ref: /schemas/serial/serial.yaml#
-
-properties:
-  compatible:
-    const: altr,uart-1.0
-
-  clock-frequency:
-    description: Frequency of the clock input to the UART.
-
-required:
-  - compatible
-
-unevaluatedProperties: false

Documentation/devicetree/bindings/soc/fsl/fsl,ls1028a-reset.yaml

@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
 %YAML 1.2
 ---
-$id: http://devicetree.org/schemas/soc/fsl/fsl,ls1028a-reset.yaml#
+$id: http://devicetree.org/schemas//soc/fsl/fsl,ls1028a-reset.yaml#
 $schema: http://devicetree.org/meta-schemas/core.yaml#
 
 title: Freescale Layerscape Reset Registers Module

Documentation/filesystems/porting.rst

@@ -1249,12 +1249,3 @@ Using try_lookup_noperm() will require linux/namei.h to be included.
 
 Calling conventions for ->d_automount() have changed; we should *not* grab
 an extra reference to new mount - it should be returned with refcount 1.
-
----
-
-collect_mounts()/drop_collected_mounts()/iterate_mounts() are gone now.
-Replacement is collect_paths()/drop_collected_path(), with no special
-iterator needed.  Instead of a cloned mount tree, the new interface returns
-an array of struct path, one for each mount collect_mounts() would've
-created.  These struct path point to locations in the caller's namespace
-that would be roots of the cloned mounts.

Documentation/netlink/genetlink-legacy.yaml

@@ -6,9 +6,6 @@ $schema: https://json-schema.org/draft-07/schema
 
 # Common defines
 $defs:
-  name:
-    type: string
-    pattern: ^[0-9a-z-]+$
   uint:
     type: integer
     minimum: 0
@@ -79,7 +76,7 @@ properties:
       additionalProperties: False
       properties:
         name:
-          $ref: '#/$defs/name'
+          type: string
         header:
           description: For C-compatible languages, header which already defines this value.
           type: string
@@ -106,7 +103,7 @@ properties:
                 additionalProperties: False
                 properties:
                   name:
-                    $ref: '#/$defs/name'
+                    type: string
                   value:
                     type: integer
                   doc:
@@ -135,7 +132,7 @@ properties:
             additionalProperties: False
             properties:
               name:
-                $ref: '#/$defs/name'
+                type: string
               type:
                 description: The netlink attribute type
                 enum: [ u8, u16, u32, u64, s8, s16, s32, s64, string, binary ]
@@ -172,7 +169,7 @@ properties:
         name:
           description: |
             Name used when referring to this space in other definitions, not used outside of the spec.
-          $ref: '#/$defs/name'
+          type: string
         name-prefix:
           description: |
             Prefix for the C enum name of the attributes. Default family[name]-set[name]-a-
@@ -209,7 +206,7 @@ properties:
             additionalProperties: False
             properties:
               name:
-                $ref: '#/$defs/name'
+                type: string
               type: &attr-type
                 description: The netlink attribute type
                 enum: [ unused, pad, flag, binary, bitfield32,
@@ -351,7 +348,7 @@ properties:
           properties:
             name:
               description: Name of the operation, also defining its C enum value in uAPI.
-              $ref: '#/$defs/name'
+              type: string
             doc:
               description: Documentation for the command.
               type: string

Documentation/netlink/genetlink.yaml

@@ -6,9 +6,6 @@ $schema: https://json-schema.org/draft-07/schema
 
 # Common defines
 $defs:
-  name:
-    type: string
-    pattern: ^[0-9a-z-]+$
   uint:
     type: integer
     minimum: 0
@@ -32,7 +29,7 @@ additionalProperties: False
 properties:
   name:
     description: Name of the genetlink family.
-    $ref: '#/$defs/name'
+    type: string
   doc:
     type: string
   protocol:
@@ -51,7 +48,7 @@ properties:
       additionalProperties: False
       properties:
         name:
-          $ref: '#/$defs/name'
+          type: string
         header:
           description: For C-compatible languages, header which already defines this value.
           type: string
@@ -78,7 +75,7 @@ properties:
                 additionalProperties: False
                 properties:
                   name:
-                    $ref: '#/$defs/name'
+                    type: string
                   value:
                     type: integer
                   doc:
@@ -99,7 +96,7 @@ properties:
         name:
           description: |
             Name used when referring to this space in other definitions, not used outside of the spec.
-          $ref: '#/$defs/name'
+          type: string
         name-prefix:
           description: |
             Prefix for the C enum name of the attributes. Default family[name]-set[name]-a-
@@ -124,7 +121,7 @@ properties:
             additionalProperties: False
             properties:
               name:
-                $ref: '#/$defs/name'
+                type: string
               type: &attr-type
                 enum: [ unused, pad, flag, binary,
                         uint, sint, u8, u16, u32, u64, s8, s16, s32, s64,
@@ -246,7 +243,7 @@ properties:
           properties:
             name:
               description: Name of the operation, also defining its C enum value in uAPI.
-              $ref: '#/$defs/name'
+              type: string
             doc:
               description: Documentation for the command.
               type: string
@@ -330,7 +327,7 @@ properties:
             name:
               description: |
                 The name for the group, used to form the define and the value of the define.
-              $ref: '#/$defs/name'
+              type: string
             flags: *cmd_flags
 
   kernel-family:

Documentation/netlink/netlink-raw.yaml

@@ -6,12 +6,6 @@ $schema: https://json-schema.org/draft-07/schema
 
 # Common defines
 $defs:
-  name:
-    type: string
-    pattern: ^[0-9a-z-]+$
-  name-cap:
-    type: string
-    pattern: ^[0-9a-zA-Z-]+$
   uint:
     type: integer
     minimum: 0
@@ -77,7 +71,7 @@ properties:
       additionalProperties: False
       properties:
         name:
-          $ref: '#/$defs/name'
+          type: string
         header:
           description: For C-compatible languages, header which already defines this value.
           type: string
@@ -104,7 +98,7 @@ properties:
                 additionalProperties: False
                 properties:
                   name:
-                    $ref: '#/$defs/name'
+                    type: string
                   value:
                     type: integer
                   doc:
@@ -130,7 +124,7 @@ properties:
             additionalProperties: False
             properties:
               name:
-                $ref: '#/$defs/name-cap'
+                type: string
               type:
                 description: |
                   The netlink attribute type. Members of type 'binary' or 'pad'
@@ -189,7 +183,7 @@ properties:
         name:
           description: |
             Name used when referring to this space in other definitions, not used outside of the spec.
-          $ref: '#/$defs/name'
+          type: string
         name-prefix:
           description: |
             Prefix for the C enum name of the attributes. Default family[name]-set[name]-a-
@@ -226,7 +220,7 @@ properties:
             additionalProperties: False
             properties:
               name:
-                $ref: '#/$defs/name'
+                type: string
               type: &attr-type
                 description: The netlink attribute type
                 enum: [ unused, pad, flag, binary, bitfield32,
@@ -414,7 +408,7 @@ properties:
           properties:
             name:
               description: Name of the operation, also defining its C enum value in uAPI.
-              $ref: '#/$defs/name'
+              type: string
             doc:
               description: Documentation for the command.
               type: string

Documentation/netlink/specs/devlink.yaml

@@ -38,15 +38,15 @@ definitions:
       -
         name: dsa
       -
-        name: pci-pf
+        name: pci_pf
       -
-        name: pci-vf
+        name: pci_vf
       -
         name: virtual
       -
         name: unused
       -
-        name: pci-sf
+        name: pci_sf
   -
     type: enum
     name: port-fn-state
@@ -220,7 +220,7 @@ definitions:
       -
         name: flag
       -
-        name: nul-string
+        name: nul_string
         value: 10
       -
         name: binary

Documentation/netlink/specs/dpll.yaml

@@ -188,7 +188,7 @@ definitions:
     value: 10000
   -
     type: const
-    name: pin-frequency-77-5-khz
+    name: pin-frequency-77_5-khz
     value: 77500
   -
     type: const

Documentation/netlink/specs/ethtool.yaml

@@ -48,7 +48,7 @@ definitions:
         name: started
         doc: The firmware flashing process has started.
       -
-        name: in-progress
+        name: in_progress
         doc: The firmware flashing process is in progress.
       -
         name: completed
@@ -1422,7 +1422,7 @@ attribute-sets:
         name: hkey
         type: binary
       -
-        name: input-xfrm
+        name: input_xfrm
         type: u32
       -
         name: start-context
@@ -2238,7 +2238,7 @@ operations:
             - hfunc
             - indir
             - hkey
-            - input-xfrm
+            - input_xfrm
       dump:
         request:
           attributes:

Documentation/netlink/specs/fou.yaml

@@ -15,7 +15,7 @@ kernel-policy: global
 definitions:
   -
     type: enum
-    name: encap-type
+    name: encap_type
     name-prefix: fou-encap-
     enum-name:
     entries: [ unspec, direct, gue ]
@@ -43,26 +43,26 @@ attribute-sets:
         name: type
         type: u8
       -
-        name: remcsum-nopartial
+        name: remcsum_nopartial
         type: flag
       -
-        name: local-v4
+        name: local_v4
         type: u32
       -
-        name: local-v6
+        name: local_v6
         type: binary
         checks:
           min-len: 16
       -
-        name: peer-v4
+        name: peer_v4
         type: u32
       -
-        name: peer-v6
+        name: peer_v6
         type: binary
         checks:
           min-len: 16
       -
-        name: peer-port
+        name: peer_port
         type: u16
         byte-order: big-endian
       -
@@ -90,12 +90,12 @@ operations:
             - port
             - ipproto
             - type
-            - remcsum-nopartial
+            - remcsum_nopartial
-            - local-v4
+            - local_v4
-            - peer-v4
+            - peer_v4
-            - local-v6
+            - local_v6
-            - peer-v6
+            - peer_v6
-            - peer-port
+            - peer_port
             - ifindex
 
     -
@@ -112,11 +112,11 @@ operations:
             - af
             - ifindex
             - port
-            - peer-port
+            - peer_port
-            - local-v4
+            - local_v4
-            - peer-v4
+            - peer_v4
-            - local-v6
+            - local_v6
-            - peer-v6
+            - peer_v6
 
     -
       name: get

Documentation/netlink/specs/mptcp_pm.yaml

@@ -57,21 +57,21 @@ definitions:
       doc: >-
         A new subflow has been established. 'error' should not be set.
         Attributes: token, family, loc_id, rem_id, saddr4 | saddr6, daddr4 |
-        daddr6, sport, dport, backup, if-idx [, error].
+        daddr6, sport, dport, backup, if_idx [, error].
      -
       name: sub-closed
       doc: >-
         A subflow has been closed. An error (copy of sk_err) could be set if an
         error has been detected for this subflow.
         Attributes: token, family, loc_id, rem_id, saddr4 | saddr6, daddr4 |
-        daddr6, sport, dport, backup, if-idx [, error].
+        daddr6, sport, dport, backup, if_idx [, error].
      -
       name: sub-priority
       value: 13
       doc: >-
         The priority of a subflow has changed. 'error' should not be set.
         Attributes: token, family, loc_id, rem_id, saddr4 | saddr6, daddr4 |
-        daddr6, sport, dport, backup, if-idx [, error].
+        daddr6, sport, dport, backup, if_idx [, error].
      -
       name: listener-created
       value: 15
@@ -255,7 +255,7 @@ attribute-sets:
         name: timeout
         type: u32
       -
-        name: if-idx
+        name: if_idx
         type: u32
       -
         name: reset-reason

Documentation/netlink/specs/nfsd.yaml

@@ -27,7 +27,7 @@ attribute-sets:
         name: proc
         type: u32
       -
-        name: service-time
+        name: service_time
         type: s64
       -
         name: pad
@@ -139,7 +139,7 @@ operations:
             - prog
             - version
             - proc
-            - service-time
+            - service_time
             - saddr4
             - daddr4
             - saddr6

Documentation/netlink/specs/ovs_flow.yaml

@@ -216,7 +216,7 @@ definitions:
     type: struct
     members:
       -
-        name: nd-target
+        name: nd_target
         type: binary
         len: 16
         byte-order: big-endian
@@ -258,12 +258,12 @@ definitions:
     type: struct
     members:
       -
-        name: vlan-tpid
+        name: vlan_tpid
         type: u16
         byte-order: big-endian
         doc: Tag protocol identifier (TPID) to push.
       -
-        name: vlan-tci
+        name: vlan_tci
         type: u16
         byte-order: big-endian
         doc: Tag control identifier (TCI) to push.

Documentation/netlink/specs/rt-link.yaml

@@ -603,7 +603,7 @@ definitions:
         name: optmask
         type: u32
   -
-    name: if-stats-msg
+    name: if_stats_msg
     type: struct
     members:
       -
@@ -2486,7 +2486,7 @@ operations:
       name: getstats
       doc: Get / dump link stats.
       attribute-set: stats-attrs
-      fixed-header: if-stats-msg
+      fixed-header: if_stats_msg
       do:
         request:
           value: 94

Documentation/netlink/specs/tc.yaml

@@ -232,7 +232,7 @@ definitions:
         type: u8
         doc: log(P_max / (qth-max - qth-min))
       -
-        name: Scell-log
+        name: Scell_log
         type: u8
         doc: cell size for idle damping
       -
@@ -253,7 +253,7 @@ definitions:
         name: DPs
         type: u32
       -
-        name: def-DP
+        name: def_DP
         type: u32
       -
         name: grio

Documentation/networking/device_drivers/ethernet/marvell/octeontx2.rst

@@ -66,7 +66,7 @@ Admin Function driver
 As mentioned above RVU PF0 is called the admin function (AF), this driver
 supports resource provisioning and configuration of functional blocks.
 Doesn't handle any I/O. It sets up few basic stuff but most of the
-functionality is achieved via configuration requests from PFs and VFs.
+funcionality is achieved via configuration requests from PFs and VFs.
 
 PF/VFs communicates with AF via a shared memory region (mailbox). Upon
 receiving requests AF does resource provisioning and other HW configuration.

Documentation/networking/tls.rst

@@ -16,13 +16,11 @@ User interface
 Creating a TLS connection
 -------------------------
 
-First create a new TCP socket and once the connection is established set the
+First create a new TCP socket and set the TLS ULP.
-TLS ULP.
 
 .. code-block:: c
 
   sock = socket(AF_INET, SOCK_STREAM, 0);
-  connect(sock, addr, addrlen);
   setsockopt(sock, SOL_TCP, TCP_ULP, "tls", sizeof("tls"));
 
 Setting the TLS ULP allows us to set/get TLS socket options. Currently

Documentation/process/maintainer-netdev.rst

@@ -312,7 +312,7 @@ Posting as one thread is discouraged because it confuses patchwork
 (as of patchwork 2.2.2).
 
 Co-posting selftests
-~~~~~~~~~~~~~~~~~~~~
+--------------------
 
 Selftests should be part of the same series as the code changes.
 Specifically for fixes both code change and related test should go into

Documentation/virt/kvm/api.rst

@@ -7196,10 +7196,6 @@ The valid value for 'flags' is:
 					u64 leaf;
 					u64 r11, r12, r13, r14;
 				} get_tdvmcall_info;
-				struct {
-					u64 ret;
-					u64 vector;
-				} setup_event_notify;
 			};
 		} tdx;
 
@@ -7230,9 +7226,6 @@ inputs and outputs of the TDVMCALL.  Currently the following values of
 placed in fields from ``r11`` to ``r14`` of the ``get_tdvmcall_info``
 field of the union.
 
-* ``TDVMCALL_SETUP_EVENT_NOTIFY_INTERRUPT``: the guest has requested to
-set up a notification interrupt for vector ``vector``.
-
 KVM may add support for more values in the future that may cause a userspace
 exit, even without calls to ``KVM_ENABLE_CAP`` or similar.  In this case,
 it will enter with output fields already valid; in the common case, the

Documentation/virt/kvm/x86/intel-tdx.rst

@@ -79,20 +79,7 @@ to be configured to the TDX guest.
   struct kvm_tdx_capabilities {
         __u64 supported_attrs;
         __u64 supported_xfam;
-
+        __u64 reserved[254];
-        /* TDG.VP.VMCALL hypercalls executed in kernel and forwarded to
-         * userspace, respectively
-         */
-        __u64 kernel_tdvmcallinfo_1_r11;
-        __u64 user_tdvmcallinfo_1_r11;
-
-        /* TDG.VP.VMCALL instruction executions subfunctions executed in kernel
-         * and forwarded to userspace, respectively
-         */
-        __u64 kernel_tdvmcallinfo_1_r12;
-        __u64 user_tdvmcallinfo_1_r12;
-
-        __u64 reserved[250];
 
         /* Configurable CPUID bits for userspace */
         struct kvm_cpuid2 cpuid;

Documentation/wmi/acpi-interface.rst

@@ -36,7 +36,7 @@ Offset  Size (in bytes) Content
 
 The WMI object flags control whether the method or notification ID is used:
 
-- 0x1: Data block is expensive to collect.
+- 0x1: Data block usage is expensive and must be explicitly enabled/disabled.
 - 0x2: Data block contains WMI methods.
 - 0x4: Data block contains ASCIZ string.
 - 0x8: Data block describes a WMI event, use notification ID instead
@@ -83,18 +83,14 @@ event as hexadecimal value. Their first parameter is an integer with a value
 of 0 if the WMI event should be disabled, other values will enable
 the WMI event.
 
-Those ACPI methods are always called even for WMI events not registered as
-being expensive to collect to match the behavior of the Windows driver.
-
 WCxx ACPI methods
 -----------------
-Similar to the ``WExx`` ACPI methods, except that instead of WMI events it controls
+Similar to the ``WExx`` ACPI methods, except that it controls data collection
-data collection of data blocks registered as being expensive to collect. Thus the
+instead of events and thus the last two characters of the ACPI method name are
-last two characters of the ACPI method name are the method ID of the data block
+the method ID of the data block to enable/disable.
-to enable/disable.
 
 Those ACPI methods are also called before setting data blocks to match the
-behavior of the Windows driver.
+behaviour of the Windows driver.
 
 _WED ACPI method
 ----------------

MAINTAINERS

@@ -4181,7 +4181,6 @@ F:	include/linux/cpumask_types.h
 F:	include/linux/find.h
 F:	include/linux/nodemask.h
 F:	include/linux/nodemask_types.h
-F:	include/uapi/linux/bits.h
 F:	include/vdso/bits.h
 F:	lib/bitmap-str.c
 F:	lib/bitmap.c
@@ -4194,7 +4193,6 @@ F:	tools/include/linux/bitfield.h
 F:	tools/include/linux/bitmap.h
 F:	tools/include/linux/bits.h
 F:	tools/include/linux/find.h
-F:	tools/include/uapi/linux/bits.h
 F:	tools/include/vdso/bits.h
 F:	tools/lib/bitmap.c
 F:	tools/lib/find_bit.c
@@ -10506,7 +10504,7 @@ S:	Maintained
 F:	block/partitions/efi.*
 
 HABANALABS PCI DRIVER
-M:	Yaron Avizrat <yaron.avizrat@intel.com>
+M:	Ofir Bitton <obitton@habana.ai>
 L:	dri-devel@lists.freedesktop.org
 S:	Supported
 C:	irc://irc.oftc.net/dri-devel
@@ -11157,8 +11155,7 @@ F:	include/linux/platform_data/huawei-gaokun-ec.h
 
 HUGETLB SUBSYSTEM
 M:	Muchun Song <muchun.song@linux.dev>
-M:	Oscar Salvador <osalvador@suse.de>
+R:	Oscar Salvador <osalvador@suse.de>
-R:	David Hildenbrand <david@redhat.com>
 L:	linux-mm@kvack.org
 S:	Maintained
 F:	Documentation/ABI/testing/sysfs-kernel-mm-hugepages
@@ -11169,7 +11166,6 @@ F:	fs/hugetlbfs/
 F:	include/linux/hugetlb.h
 F:	include/trace/events/hugetlbfs.h
 F:	mm/hugetlb.c
-F:	mm/hugetlb_cgroup.c
 F:	mm/hugetlb_cma.c
 F:	mm/hugetlb_cma.h
 F:	mm/hugetlb_vmemmap.c
@@ -13349,7 +13345,6 @@ M:	Alexander Graf <graf@amazon.com>
 M:	Mike Rapoport <rppt@kernel.org>
 M:	Changyuan Lyu <changyuanl@google.com>
 L:	kexec@lists.infradead.org
-L:	linux-mm@kvack.org
 S:	Maintained
 F:	Documentation/admin-guide/mm/kho.rst
 F:	Documentation/core-api/kho/*
@@ -15552,7 +15547,6 @@ F:	drivers/net/ethernet/mellanox/mlx4/en_*
 MELLANOX ETHERNET DRIVER (mlx5e)
 M:	Saeed Mahameed <saeedm@nvidia.com>
 M:	Tariq Toukan <tariqt@nvidia.com>
-M:	Mark Bloch <mbloch@nvidia.com>
 L:	netdev@vger.kernel.org
 S:	Maintained
 W:	https://www.nvidia.com/networking/
@@ -15622,7 +15616,6 @@ MELLANOX MLX5 core VPI driver
 M:	Saeed Mahameed <saeedm@nvidia.com>
 M:	Leon Romanovsky <leonro@nvidia.com>
 M:	Tariq Toukan <tariqt@nvidia.com>
-M:	Mark Bloch <mbloch@nvidia.com>
 L:	netdev@vger.kernel.org
 L:	linux-rdma@vger.kernel.org
 S:	Maintained
@@ -15680,16 +15673,11 @@ MEMBLOCK AND MEMORY MANAGEMENT INITIALIZATION
 M:	Mike Rapoport <rppt@kernel.org>
 L:	linux-mm@kvack.org
 S:	Maintained
-T:	git git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock.git for-next
-T:	git git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock.git fixes
 F:	Documentation/core-api/boot-time-mm.rst
 F:	Documentation/core-api/kho/bindings/memblock/*
 F:	include/linux/memblock.h
-F:	mm/bootmem_info.c
 F:	mm/memblock.c
-F:	mm/memtest.c
 F:	mm/mm_init.c
-F:	mm/rodata_test.c
 F:	tools/testing/memblock/
 
 MEMORY ALLOCATION PROFILING
@@ -15744,6 +15732,7 @@ F:	Documentation/admin-guide/mm/
 F:	Documentation/mm/
 F:	include/linux/gfp.h
 F:	include/linux/gfp_types.h
+F:	include/linux/memfd.h
 F:	include/linux/memory_hotplug.h
 F:	include/linux/memory-tiers.h
 F:	include/linux/mempolicy.h
@@ -15803,10 +15792,6 @@ S:	Maintained
 W:	http://www.linux-mm.org
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
 F:	mm/gup.c
-F:	mm/gup_test.c
-F:	mm/gup_test.h
-F:	tools/testing/selftests/mm/gup_longterm.c
-F:	tools/testing/selftests/mm/gup_test.c
 
 MEMORY MANAGEMENT - KSM (Kernel Samepage Merging)
 M:	Andrew Morton <akpm@linux-foundation.org>
@@ -15854,17 +15839,6 @@ F:	mm/numa.c
 F:	mm/numa_emulation.c
 F:	mm/numa_memblks.c
 
-MEMORY MANAGEMENT - OOM KILLER
-M:	Michal Hocko <mhocko@suse.com>
-R:	David Rientjes <rientjes@google.com>
-R:	Shakeel Butt <shakeel.butt@linux.dev>
-L:	linux-mm@kvack.org
-S:	Maintained
-F:	include/linux/oom.h
-F:	include/trace/events/oom.h
-F:	include/uapi/linux/oom.h
-F:	mm/oom_kill.c
-
 MEMORY MANAGEMENT - PAGE ALLOCATOR
 M:	Andrew Morton <akpm@linux-foundation.org>
 M:	Vlastimil Babka <vbabka@suse.cz>
@@ -15879,17 +15853,8 @@ F:	include/linux/compaction.h
 F:	include/linux/gfp.h
 F:	include/linux/page-isolation.h
 F:	mm/compaction.c
-F:	mm/debug_page_alloc.c
-F:	mm/fail_page_alloc.c
 F:	mm/page_alloc.c
-F:	mm/page_ext.c
-F:	mm/page_frag_cache.c
 F:	mm/page_isolation.c
-F:	mm/page_owner.c
-F:	mm/page_poison.c
-F:	mm/page_reporting.c
-F:	mm/show_mem.c
-F:	mm/shuffle.c
 
 MEMORY MANAGEMENT - RECLAIM
 M:	Andrew Morton <akpm@linux-foundation.org>
@@ -15903,7 +15868,6 @@ L:	linux-mm@kvack.org
 S:	Maintained
 F:	mm/pt_reclaim.c
 F:	mm/vmscan.c
-F:	mm/workingset.c
 
 MEMORY MANAGEMENT - RMAP (REVERSE MAPPING)
 M:	Andrew Morton <akpm@linux-foundation.org>
@@ -15916,7 +15880,6 @@ R:	Harry Yoo <harry.yoo@oracle.com>
 L:	linux-mm@kvack.org
 S:	Maintained
 F:	include/linux/rmap.h
-F:	mm/page_vma_mapped.c
 F:	mm/rmap.c
 
 MEMORY MANAGEMENT - SECRETMEM
@@ -15949,9 +15912,9 @@ F:	mm/swapfile.c
 MEMORY MANAGEMENT - THP (TRANSPARENT HUGE PAGE)
 M:	Andrew Morton <akpm@linux-foundation.org>
 M:	David Hildenbrand <david@redhat.com>
-M:	Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
 R:	Zi Yan <ziy@nvidia.com>
 R:	Baolin Wang <baolin.wang@linux.alibaba.com>
+R:	Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
 R:	Liam R. Howlett <Liam.Howlett@oracle.com>
 R:	Nico Pache <npache@redhat.com>
 R:	Ryan Roberts <ryan.roberts@arm.com>
@@ -16009,14 +15972,11 @@ S:	Maintained
 W:	http://www.linux-mm.org
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
 F:	include/trace/events/mmap.h
-F:	mm/mincore.c
 F:	mm/mlock.c
 F:	mm/mmap.c
 F:	mm/mprotect.c
 F:	mm/mremap.c
 F:	mm/mseal.c
-F:	mm/msync.c
-F:	mm/nommu.c
 F:	mm/vma.c
 F:	mm/vma.h
 F:	mm/vma_exec.c
@@ -16824,8 +16784,8 @@ F:	include/dt-bindings/clock/mobileye,eyeq5-clk.h
 MODULE SUPPORT
 M:	Luis Chamberlain <mcgrof@kernel.org>
 M:	Petr Pavlu <petr.pavlu@suse.com>
-M:	Daniel Gomez <da.gomez@kernel.org>
 R:	Sami Tolvanen <samitolvanen@google.com>
+R:	Daniel Gomez <da.gomez@samsung.com>
 L:	linux-modules@vger.kernel.org
 L:	linux-kernel@vger.kernel.org
 S:	Maintained
@@ -17224,10 +17184,10 @@ F:	drivers/rtc/rtc-ntxec.c
 F:	include/linux/mfd/ntxec.h
 
 NETRONOME ETHERNET DRIVERS
+M:	Louis Peens <louis.peens@corigine.com>
 R:	Jakub Kicinski <kuba@kernel.org>
-R:	Simon Horman <horms@kernel.org>
 L:	oss-drivers@corigine.com
-S:	Odd Fixes
+S:	Maintained
 F:	drivers/net/ethernet/netronome/
 
 NETWORK BLOCK DEVICE (NBD)
@@ -19603,7 +19563,8 @@ T:	git git://git.kernel.org/pub/scm/linux/kernel/git/pinctrl/intel.git
 F:	drivers/pinctrl/intel/
 
 PIN CONTROLLER - KEEMBAY
-S:	Orphan
+M:	Lakshmi Sowjanya D <lakshmi.sowjanya.d@intel.com>
+S:	Supported
 F:	drivers/pinctrl/pinctrl-keembay*
 
 PIN CONTROLLER - MEDIATEK
@@ -20156,15 +20117,21 @@ S:	Supported
 F:	Documentation/devicetree/bindings/soc/qcom/qcom,apr*
 F:	Documentation/devicetree/bindings/sound/qcom,*
 F:	drivers/soc/qcom/apr.c
-F:	drivers/soundwire/qcom.c
+F:	include/dt-bindings/sound/qcom,wcd9335.h
-F:	include/dt-bindings/sound/qcom,wcd93*
+F:	include/dt-bindings/sound/qcom,wcd934x.h
-F:	sound/soc/codecs/lpass-*.*
+F:	sound/soc/codecs/lpass-rx-macro.*
+F:	sound/soc/codecs/lpass-tx-macro.*
+F:	sound/soc/codecs/lpass-va-macro.c
+F:	sound/soc/codecs/lpass-wsa-macro.*
 F:	sound/soc/codecs/msm8916-wcd-analog.c
 F:	sound/soc/codecs/msm8916-wcd-digital.c
 F:	sound/soc/codecs/wcd-clsh-v2.*
 F:	sound/soc/codecs/wcd-mbhc-v2.*
-F:	sound/soc/codecs/wcd93*.*
+F:	sound/soc/codecs/wcd9335.*
-F:	sound/soc/codecs/wsa88*.*
+F:	sound/soc/codecs/wcd934x.c
+F:	sound/soc/codecs/wsa881x.c
+F:	sound/soc/codecs/wsa883x.c
+F:	sound/soc/codecs/wsa884x.c
 F:	sound/soc/qcom/
 
 QCOM EMBEDDED USB DEBUGGER (EUD)
@@ -21195,7 +21162,7 @@ M:	Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
 L:	netdev@vger.kernel.org
 L:	linux-renesas-soc@vger.kernel.org
 S:	Maintained
-F:	Documentation/devicetree/bindings/net/renesas,rzv2h-gbeth.yaml
+F:	Documentation/devicetree/bindings/net/renesas,r9a09g057-gbeth.yaml
 F:	drivers/net/ethernet/stmicro/stmmac/dwmac-renesas-gbeth.c
 
 RENESAS RZ/V2H(P) USB2PHY PORT RESET DRIVER
@@ -21407,7 +21374,7 @@ N:	spacemit
 K:	spacemit
 
 RISC-V THEAD SoC SUPPORT
-M:	Drew Fustini <fustini@kernel.org>
+M:	Drew Fustini <drew@pdp7.com>
 M:	Guo Ren <guoren@kernel.org>
 M:	Fu Wei <wefu@redhat.com>
 L:	linux-riscv@lists.infradead.org
@@ -22583,11 +22550,9 @@ S:	Maintained
 F:	drivers/misc/sgi-xp/
 
 SHARED MEMORY COMMUNICATIONS (SMC) SOCKETS
-M:	D. Wythe <alibuda@linux.alibaba.com>
-M:	Dust Li <dust.li@linux.alibaba.com>
-M:	Sidraya Jayagond <sidraya@linux.ibm.com>
 M:	Wenjia Zhang <wenjia@linux.ibm.com>
-R:	Mahanta Jambigi <mjambigi@linux.ibm.com>
+M:	Jan Karcher <jaka@linux.ibm.com>
+R:	D. Wythe <alibuda@linux.alibaba.com>
 R:	Tony Lu <tonylu@linux.alibaba.com>
 R:	Wen Gu <guwen@linux.alibaba.com>
 L:	linux-rdma@vger.kernel.org
@@ -24098,7 +24063,6 @@ M:	Bin Du <bin.du@amd.com>
 L:	linux-i2c@vger.kernel.org
 S:	Maintained
 F:	drivers/i2c/busses/i2c-designware-amdisp.c
-F:	include/linux/soc/amd/isp4_misc.h
 
 SYNOPSYS DESIGNWARE MMC/SD/SDIO DRIVER
 M:	Jaehoon Chung <jh80.chung@samsung.com>
@@ -25063,11 +25027,8 @@ M:	Hugh Dickins <hughd@google.com>
 R:	Baolin Wang <baolin.wang@linux.alibaba.com>
 L:	linux-mm@kvack.org
 S:	Maintained
-F:	include/linux/memfd.h
 F:	include/linux/shmem_fs.h
-F:	mm/memfd.c
 F:	mm/shmem.c
-F:	mm/shmem_quota.c
 
 TOMOYO SECURITY MODULE
 M:	Kentaro Takeda <takedakn@nttdata.co.jp>
@@ -26939,7 +26900,7 @@ F:	arch/x86/kernel/stacktrace.c
 F:	arch/x86/kernel/unwind_*.c
 
 X86 TRUST DOMAIN EXTENSIONS (TDX)
-M:	Kirill A. Shutemov <kas@kernel.org>
+M:	Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
 R:	Dave Hansen <dave.hansen@linux.intel.com>
 L:	x86@kernel.org
 L:	linux-coco@lists.linux.dev
@@ -27308,6 +27269,13 @@ S:	Supported
 W:	http://www.marvell.com
 F:	drivers/i2c/busses/i2c-xlp9xx.c
 
+XRA1403 GPIO EXPANDER
+M:	Nandor Han <nandor.han@ge.com>
+L:	linux-gpio@vger.kernel.org
+S:	Maintained
+F:	Documentation/devicetree/bindings/gpio/gpio-xra1403.txt
+F:	drivers/gpio/gpio-xra1403.c
+
 XTENSA XTFPGA PLATFORM SUPPORT
 M:	Max Filippov <jcmvbkbc@gmail.com>
 S:	Maintained

Makefile

@@ -2,7 +2,7 @@
 VERSION = 6
 PATCHLEVEL = 16
 SUBLEVEL = 0
-EXTRAVERSION = -rc6
+EXTRAVERSION = -rc3
 NAME = Baby Opossum Posse
 
 # *DOCUMENTATION*

arch/arm64/Kconfig

@@ -256,7 +256,6 @@ config ARM64
 	select HOTPLUG_SMT if HOTPLUG_CPU
 	select IRQ_DOMAIN
 	select IRQ_FORCED_THREADING
-	select JUMP_LABEL
 	select KASAN_VMALLOC if KASAN
 	select LOCK_MM_AND_FIND_VMA
 	select MODULES_USE_ELF_RELA

arch/arm64/boot/dts/apple/spi1-nvram.dtsi

@@ -20,6 +20,8 @@ flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0x0>;
 		spi-max-frequency = <25000000>;
+		#address-cells = <1>;
+		#size-cells = <1>;
 
 		partitions {
 			compatible = "fixed-partitions";

arch/arm64/boot/dts/apple/t8103-j293.dts

@@ -100,8 +100,6 @@ dfr_mipi_out_panel: endpoint@0 {
 
 &displaydfr_mipi {
 	status = "okay";
-	#address-cells = <1>;
-	#size-cells = <0>;
 
 	dfr_panel: panel@0 {
 		compatible = "apple,j293-summit", "apple,summit";

arch/arm64/boot/dts/apple/t8103-jxxx.dtsi

@@ -71,7 +71,7 @@ hpm1: usb-pd@3f {
  */
 &port00 {
 	bus-range = <1 1>;
-	wifi0: wifi@0,0 {
+	wifi0: network@0,0 {
 		compatible = "pci14e4,4425";
 		reg = <0x10000 0x0 0x0 0x0 0x0>;
 		/* To be filled by the loader */

arch/arm64/boot/dts/apple/t8103.dtsi

@@ -405,6 +405,8 @@ displaydfr_mipi: dsi@228600000 {
 			compatible = "apple,t8103-display-pipe-mipi", "apple,h7-display-pipe-mipi";
 			reg = <0x2 0x28600000 0x0 0x100000>;
 			power-domains = <&ps_mipi_dsi>;
+			#address-cells = <1>;
+			#size-cells = <0>;
 			status = "disabled";
 
 			ports {

arch/arm64/boot/dts/apple/t8112-j493.dts

@@ -63,8 +63,6 @@ dfr_mipi_out_panel: endpoint@0 {
 
 &displaydfr_mipi {
 	status = "okay";
-	#address-cells = <1>;
-	#size-cells = <0>;
 
 	dfr_panel: panel@0 {
 		compatible = "apple,j493-summit", "apple,summit";

arch/arm64/boot/dts/apple/t8112.dtsi

@@ -420,6 +420,8 @@ displaydfr_mipi: dsi@228600000 {
 			compatible = "apple,t8112-display-pipe-mipi", "apple,h7-display-pipe-mipi";
 			reg = <0x2 0x28600000 0x0 0x100000>;
 			power-domains = <&ps_mipi_dsi>;
+			#address-cells = <1>;
+			#size-cells = <0>;
 			status = "disabled";
 
 			ports {

arch/arm64/configs/defconfig

@@ -1573,7 +1573,6 @@ CONFIG_RESET_QCOM_AOSS=y
 CONFIG_RESET_QCOM_PDC=m
 CONFIG_RESET_RZG2L_USBPHY_CTRL=y
 CONFIG_RESET_TI_SCI=y
-CONFIG_PHY_SNPS_EUSB2=m
 CONFIG_PHY_XGENE=y
 CONFIG_PHY_CAN_TRANSCEIVER=m
 CONFIG_PHY_NXP_PTN3222=m
@@ -1598,6 +1597,7 @@ CONFIG_PHY_QCOM_EDP=m
 CONFIG_PHY_QCOM_PCIE2=m
 CONFIG_PHY_QCOM_QMP=m
 CONFIG_PHY_QCOM_QUSB2=m
+CONFIG_PHY_QCOM_SNPS_EUSB2=m
 CONFIG_PHY_QCOM_EUSB2_REPEATER=m
 CONFIG_PHY_QCOM_M31_USB=m
 CONFIG_PHY_QCOM_USB_HS=m

arch/arm64/include/asm/el2_setup.h

@@ -287,6 +287,17 @@
 .Lskip_fgt2_\@:
 .endm
 
+.macro __init_el2_gcs
+	mrs_s	x1, SYS_ID_AA64PFR1_EL1
+	ubfx	x1, x1, #ID_AA64PFR1_EL1_GCS_SHIFT, #4
+	cbz	x1, .Lskip_gcs_\@
+
+	/* Ensure GCS is not enabled when we start trying to do BLs */
+	msr_s	SYS_GCSCR_EL1, xzr
+	msr_s	SYS_GCSCRE0_EL1, xzr
+.Lskip_gcs_\@:
+.endm
+
 /**
  * Initialize EL2 registers to sane values. This should be called early on all
  * cores that were booted in EL2. Note that everything gets initialised as
@@ -308,6 +319,7 @@
 	__init_el2_cptr
 	__init_el2_fgt
 	__init_el2_fgt2
+        __init_el2_gcs
 .endm
 
 #ifndef __KVM_NVHE_HYPERVISOR__
@@ -359,13 +371,6 @@
 	msr_s   SYS_MPAMHCR_EL2, xzr		// clear TRAP_MPAMIDR_EL1 -> EL2
 
 .Lskip_mpam_\@:
-	check_override id_aa64pfr1, ID_AA64PFR1_EL1_GCS_SHIFT, .Linit_gcs_\@, .Lskip_gcs_\@, x1, x2
-
-.Linit_gcs_\@:
-	msr_s	SYS_GCSCR_EL1, xzr
-	msr_s	SYS_GCSCRE0_EL1, xzr
-
-.Lskip_gcs_\@:
 	check_override id_aa64pfr0, ID_AA64PFR0_EL1_SVE_SHIFT, .Linit_sve_\@, .Lskip_sve_\@, x1, x2
 
 .Linit_sve_\@:	/* SVE register access */

arch/arm64/include/asm/kvm_host.h

@@ -1480,6 +1480,7 @@ int kvm_vm_ioctl_get_reg_writable_masks(struct kvm *kvm,
 					struct reg_mask_range *range);
 
 /* Guest/host FPSIMD coordination helpers */
+int kvm_arch_vcpu_run_map_fp(struct kvm_vcpu *vcpu);
 void kvm_arch_vcpu_load_fp(struct kvm_vcpu *vcpu);
 void kvm_arch_vcpu_ctxflush_fp(struct kvm_vcpu *vcpu);
 void kvm_arch_vcpu_ctxsync_fp(struct kvm_vcpu *vcpu);

arch/arm64/kernel/Makefile

@@ -34,7 +34,7 @@ obj-y			:= debug-monitors.o entry.o irq.o fpsimd.o		\
 			   cpufeature.o alternative.o cacheinfo.o		\
 			   smp.o smp_spin_table.o topology.o smccc-call.o	\
 			   syscall.o proton-pack.o idle.o patching.o pi/	\
-			   rsi.o jump_label.o
+			   rsi.o
 
 obj-$(CONFIG_COMPAT)			+= sys32.o signal32.o			\
 					   sys_compat.o
@@ -47,6 +47,7 @@ obj-$(CONFIG_PERF_EVENTS)		+= perf_regs.o perf_callchain.o
 obj-$(CONFIG_HARDLOCKUP_DETECTOR_PERF)	+= watchdog_hld.o
 obj-$(CONFIG_HAVE_HW_BREAKPOINT)	+= hw_breakpoint.o
 obj-$(CONFIG_CPU_PM)			+= sleep.o suspend.o
+obj-$(CONFIG_JUMP_LABEL)		+= jump_label.o
 obj-$(CONFIG_KGDB)			+= kgdb.o
 obj-$(CONFIG_EFI)			+= efi.o efi-rt-wrapper.o
 obj-$(CONFIG_PCI)			+= pci.o

arch/arm64/kernel/cpufeature.c

@@ -3135,13 +3135,6 @@ static bool has_sve_feature(const struct arm64_cpu_capabilities *cap, int scope)
 }
 #endif
 
-#ifdef CONFIG_ARM64_SME
-static bool has_sme_feature(const struct arm64_cpu_capabilities *cap, int scope)
-{
-	return system_supports_sme() && has_user_cpuid_feature(cap, scope);
-}
-#endif
-
 static const struct arm64_cpu_capabilities arm64_elf_hwcaps[] = {
 	HWCAP_CAP(ID_AA64ISAR0_EL1, AES, PMULL, CAP_HWCAP, KERNEL_HWCAP_PMULL),
 	HWCAP_CAP(ID_AA64ISAR0_EL1, AES, AES, CAP_HWCAP, KERNEL_HWCAP_AES),
@@ -3230,31 +3223,31 @@ static const struct arm64_cpu_capabilities arm64_elf_hwcaps[] = {
 	HWCAP_CAP(ID_AA64ISAR2_EL1, BC, IMP, CAP_HWCAP, KERNEL_HWCAP_HBC),
 #ifdef CONFIG_ARM64_SME
 	HWCAP_CAP(ID_AA64PFR1_EL1, SME, IMP, CAP_HWCAP, KERNEL_HWCAP_SME),
-	HWCAP_CAP_MATCH_ID(has_sme_feature, ID_AA64SMFR0_EL1, FA64, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_FA64),
+	HWCAP_CAP(ID_AA64SMFR0_EL1, FA64, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_FA64),
-	HWCAP_CAP_MATCH_ID(has_sme_feature, ID_AA64SMFR0_EL1, LUTv2, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_LUTV2),
+	HWCAP_CAP(ID_AA64SMFR0_EL1, LUTv2, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_LUTV2),
-	HWCAP_CAP_MATCH_ID(has_sme_feature, ID_AA64SMFR0_EL1, SMEver, SME2p2, CAP_HWCAP, KERNEL_HWCAP_SME2P2),
+	HWCAP_CAP(ID_AA64SMFR0_EL1, SMEver, SME2p2, CAP_HWCAP, KERNEL_HWCAP_SME2P2),
-	HWCAP_CAP_MATCH_ID(has_sme_feature, ID_AA64SMFR0_EL1, SMEver, SME2p1, CAP_HWCAP, KERNEL_HWCAP_SME2P1),
+	HWCAP_CAP(ID_AA64SMFR0_EL1, SMEver, SME2p1, CAP_HWCAP, KERNEL_HWCAP_SME2P1),
-	HWCAP_CAP_MATCH_ID(has_sme_feature, ID_AA64SMFR0_EL1, SMEver, SME2, CAP_HWCAP, KERNEL_HWCAP_SME2),
+	HWCAP_CAP(ID_AA64SMFR0_EL1, SMEver, SME2, CAP_HWCAP, KERNEL_HWCAP_SME2),
-	HWCAP_CAP_MATCH_ID(has_sme_feature, ID_AA64SMFR0_EL1, I16I64, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_I16I64),
+	HWCAP_CAP(ID_AA64SMFR0_EL1, I16I64, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_I16I64),
-	HWCAP_CAP_MATCH_ID(has_sme_feature, ID_AA64SMFR0_EL1, F64F64, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_F64F64),
+	HWCAP_CAP(ID_AA64SMFR0_EL1, F64F64, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_F64F64),
-	HWCAP_CAP_MATCH_ID(has_sme_feature, ID_AA64SMFR0_EL1, I16I32, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_I16I32),
+	HWCAP_CAP(ID_AA64SMFR0_EL1, I16I32, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_I16I32),
-	HWCAP_CAP_MATCH_ID(has_sme_feature, ID_AA64SMFR0_EL1, B16B16, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_B16B16),
+	HWCAP_CAP(ID_AA64SMFR0_EL1, B16B16, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_B16B16),
-	HWCAP_CAP_MATCH_ID(has_sme_feature, ID_AA64SMFR0_EL1, F16F16, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_F16F16),
+	HWCAP_CAP(ID_AA64SMFR0_EL1, F16F16, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_F16F16),
-	HWCAP_CAP_MATCH_ID(has_sme_feature, ID_AA64SMFR0_EL1, F8F16, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_F8F16),
+	HWCAP_CAP(ID_AA64SMFR0_EL1, F8F16, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_F8F16),
-	HWCAP_CAP_MATCH_ID(has_sme_feature, ID_AA64SMFR0_EL1, F8F32, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_F8F32),
+	HWCAP_CAP(ID_AA64SMFR0_EL1, F8F32, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_F8F32),
-	HWCAP_CAP_MATCH_ID(has_sme_feature, ID_AA64SMFR0_EL1, I8I32, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_I8I32),
+	HWCAP_CAP(ID_AA64SMFR0_EL1, I8I32, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_I8I32),
-	HWCAP_CAP_MATCH_ID(has_sme_feature, ID_AA64SMFR0_EL1, F16F32, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_F16F32),
+	HWCAP_CAP(ID_AA64SMFR0_EL1, F16F32, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_F16F32),
-	HWCAP_CAP_MATCH_ID(has_sme_feature, ID_AA64SMFR0_EL1, B16F32, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_B16F32),
+	HWCAP_CAP(ID_AA64SMFR0_EL1, B16F32, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_B16F32),
-	HWCAP_CAP_MATCH_ID(has_sme_feature, ID_AA64SMFR0_EL1, BI32I32, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_BI32I32),
+	HWCAP_CAP(ID_AA64SMFR0_EL1, BI32I32, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_BI32I32),
-	HWCAP_CAP_MATCH_ID(has_sme_feature, ID_AA64SMFR0_EL1, F32F32, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_F32F32),
+	HWCAP_CAP(ID_AA64SMFR0_EL1, F32F32, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_F32F32),
-	HWCAP_CAP_MATCH_ID(has_sme_feature, ID_AA64SMFR0_EL1, SF8FMA, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_SF8FMA),
+	HWCAP_CAP(ID_AA64SMFR0_EL1, SF8FMA, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_SF8FMA),
-	HWCAP_CAP_MATCH_ID(has_sme_feature, ID_AA64SMFR0_EL1, SF8DP4, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_SF8DP4),
+	HWCAP_CAP(ID_AA64SMFR0_EL1, SF8DP4, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_SF8DP4),
-	HWCAP_CAP_MATCH_ID(has_sme_feature, ID_AA64SMFR0_EL1, SF8DP2, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_SF8DP2),
+	HWCAP_CAP(ID_AA64SMFR0_EL1, SF8DP2, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_SF8DP2),
-	HWCAP_CAP_MATCH_ID(has_sme_feature, ID_AA64SMFR0_EL1, SBitPerm, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_SBITPERM),
+	HWCAP_CAP(ID_AA64SMFR0_EL1, SBitPerm, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_SBITPERM),
-	HWCAP_CAP_MATCH_ID(has_sme_feature, ID_AA64SMFR0_EL1, AES, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_AES),
+	HWCAP_CAP(ID_AA64SMFR0_EL1, AES, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_AES),
-	HWCAP_CAP_MATCH_ID(has_sme_feature, ID_AA64SMFR0_EL1, SFEXPA, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_SFEXPA),
+	HWCAP_CAP(ID_AA64SMFR0_EL1, SFEXPA, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_SFEXPA),
-	HWCAP_CAP_MATCH_ID(has_sme_feature, ID_AA64SMFR0_EL1, STMOP, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_STMOP),
+	HWCAP_CAP(ID_AA64SMFR0_EL1, STMOP, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_STMOP),
-	HWCAP_CAP_MATCH_ID(has_sme_feature, ID_AA64SMFR0_EL1, SMOP4, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_SMOP4),
+	HWCAP_CAP(ID_AA64SMFR0_EL1, SMOP4, IMP, CAP_HWCAP, KERNEL_HWCAP_SME_SMOP4),
 #endif /* CONFIG_ARM64_SME */
 	HWCAP_CAP(ID_AA64FPFR0_EL1, F8CVT, IMP, CAP_HWCAP, KERNEL_HWCAP_F8CVT),
 	HWCAP_CAP(ID_AA64FPFR0_EL1, F8FMA, IMP, CAP_HWCAP, KERNEL_HWCAP_F8FMA),

arch/arm64/kernel/efi.c

@@ -15,7 +15,6 @@
 
 #include <asm/efi.h>
 #include <asm/stacktrace.h>
-#include <asm/vmap_stack.h>
 
 static bool region_is_misaligned(const efi_memory_desc_t *md)
 {
@@ -215,13 +214,9 @@ static int __init arm64_efi_rt_init(void)
 	if (!efi_enabled(EFI_RUNTIME_SERVICES))
 		return 0;
 
-	if (!IS_ENABLED(CONFIG_VMAP_STACK)) {
+	p = __vmalloc_node(THREAD_SIZE, THREAD_ALIGN, GFP_KERNEL,
-		clear_bit(EFI_RUNTIME_SERVICES, &efi.flags);
+			   NUMA_NO_NODE, &&l);
-		return -ENOMEM;
+l:	if (!p) {
-	}
-
-	p = arch_alloc_vmap_stack(THREAD_SIZE, NUMA_NO_NODE);
-	if (!p) {
 		pr_warn("Failed to allocate EFI runtime stack\n");
 		clear_bit(EFI_RUNTIME_SERVICES, &efi.flags);
 		return -ENOMEM;

arch/arm64/kernel/process.c

@@ -673,11 +673,6 @@ static void permission_overlay_switch(struct task_struct *next)
 	current->thread.por_el0 = read_sysreg_s(SYS_POR_EL0);
 	if (current->thread.por_el0 != next->thread.por_el0) {
 		write_sysreg_s(next->thread.por_el0, SYS_POR_EL0);
-		/*
-		 * No ISB required as we can tolerate spurious Overlay faults -
-		 * the fault handler will check again based on the new value
-		 * of POR_EL0.
-		 */
 	}
 }
 

arch/arm64/kernel/smp.c

@@ -1143,7 +1143,7 @@ static inline unsigned int num_other_online_cpus(void)
 void smp_send_stop(void)
 {
 	static unsigned long stop_in_progress;
-	static cpumask_t mask;
+	cpumask_t mask;
 	unsigned long timeout;
 
 	/*

arch/arm64/kvm/arm.c

@@ -825,6 +825,10 @@ int kvm_arch_vcpu_run_pid_change(struct kvm_vcpu *vcpu)
 	if (!kvm_arm_vcpu_is_finalized(vcpu))
 		return -EPERM;
 
+	ret = kvm_arch_vcpu_run_map_fp(vcpu);
+	if (ret)
+		return ret;
+
 	if (likely(vcpu_has_run_once(vcpu)))
 		return 0;
 
@@ -2125,7 +2129,7 @@ static void cpu_hyp_init(void *discard)
 
 static void cpu_hyp_uninit(void *discard)
 {
-	if (!is_protected_kvm_enabled() && __this_cpu_read(kvm_hyp_initialized)) {
+	if (__this_cpu_read(kvm_hyp_initialized)) {
 		cpu_hyp_reset();
 		__this_cpu_write(kvm_hyp_initialized, 0);
 	}
@@ -2341,13 +2345,8 @@ static void __init teardown_hyp_mode(void)
 
 	free_hyp_pgds();
 	for_each_possible_cpu(cpu) {
-		if (per_cpu(kvm_hyp_initialized, cpu))
-			continue;
-
 		free_pages(per_cpu(kvm_arm_hyp_stack_base, cpu), NVHE_STACK_SHIFT - PAGE_SHIFT);
-
+		free_pages(kvm_nvhe_sym(kvm_arm_hyp_percpu_base)[cpu], nvhe_percpu_order());
-		if (!kvm_nvhe_sym(kvm_arm_hyp_percpu_base)[cpu])
-			continue;
 
 		if (free_sve) {
 			struct cpu_sve_state *sve_state;
@@ -2355,9 +2354,6 @@ static void __init teardown_hyp_mode(void)
 			sve_state = per_cpu_ptr_nvhe_sym(kvm_host_data, cpu)->sve_state;
 			free_pages((unsigned long) sve_state, pkvm_host_sve_state_order());
 		}
-
-		free_pages(kvm_nvhe_sym(kvm_arm_hyp_percpu_base)[cpu], nvhe_percpu_order());
-
 	}
 }
 

arch/arm64/kvm/fpsimd.c

@@ -14,6 +14,32 @@
 #include <asm/kvm_mmu.h>
 #include <asm/sysreg.h>
 
+/*
+ * Called on entry to KVM_RUN unless this vcpu previously ran at least
+ * once and the most recent prior KVM_RUN for this vcpu was called from
+ * the same task as current (highly likely).
+ *
+ * This is guaranteed to execute before kvm_arch_vcpu_load_fp(vcpu),
+ * such that on entering hyp the relevant parts of current are already
+ * mapped.
+ */
+int kvm_arch_vcpu_run_map_fp(struct kvm_vcpu *vcpu)
+{
+	struct user_fpsimd_state *fpsimd = &current->thread.uw.fpsimd_state;
+	int ret;
+
+	/* pKVM has its own tracking of the host fpsimd state. */
+	if (is_protected_kvm_enabled())
+		return 0;
+
+	/* Make sure the host task fpsimd state is visible to hyp: */
+	ret = kvm_share_hyp(fpsimd, fpsimd + 1);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
 /*
  * Prepare vcpu for saving the host's FPSIMD state and loading the guest's.
  * The actual loading is done by the FPSIMD access trap taken to hyp.

arch/arm64/kvm/hyp/nvhe/mem_protect.c

@@ -479,7 +479,6 @@ static int host_stage2_adjust_range(u64 addr, struct kvm_mem_range *range)
 {
 	struct kvm_mem_range cur;
 	kvm_pte_t pte;
-	u64 granule;
 	s8 level;
 	int ret;
 
@@ -497,23 +496,20 @@ static int host_stage2_adjust_range(u64 addr, struct kvm_mem_range *range)
 		return -EPERM;
 	}
 
-	for (; level <= KVM_PGTABLE_LAST_LEVEL; level++) {
+	do {
-		if (!kvm_level_supports_block_mapping(level))
+		u64 granule = kvm_granule_size(level);
-			continue;
-		granule = kvm_granule_size(level);
 		cur.start = ALIGN_DOWN(addr, granule);
 		cur.end = cur.start + granule;
-		if (!range_included(&cur, range))
+		level++;
-			continue;
+	} while ((level <= KVM_PGTABLE_LAST_LEVEL) &&
+			!(kvm_level_supports_block_mapping(level) &&
+			  range_included(&cur, range)));
+
 	*range = cur;
+
 	return 0;
 }
 
-	WARN_ON(1);
-
-	return -EINVAL;
-}
-
 int host_stage2_idmap_locked(phys_addr_t addr, u64 size,
 			     enum kvm_pgtable_prot prot)
 {

arch/arm64/kvm/nested.c

@@ -1402,21 +1402,6 @@ static void kvm_map_l1_vncr(struct kvm_vcpu *vcpu)
 	}
 }
 
-#define has_tgran_2(__r, __sz)						\
-	({								\
-		u64 _s1, _s2, _mmfr0 = __r;				\
-									\
-		_s2 = SYS_FIELD_GET(ID_AA64MMFR0_EL1,			\
-				    TGRAN##__sz##_2, _mmfr0);		\
-									\
-		_s1 = SYS_FIELD_GET(ID_AA64MMFR0_EL1,			\
-				    TGRAN##__sz, _mmfr0);		\
-									\
-		((_s2 != ID_AA64MMFR0_EL1_TGRAN##__sz##_2_NI &&		\
-		  _s2 != ID_AA64MMFR0_EL1_TGRAN##__sz##_2_TGRAN##__sz) || \
-		 (_s2 == ID_AA64MMFR0_EL1_TGRAN##__sz##_2_TGRAN##__sz && \
-		  _s1 != ID_AA64MMFR0_EL1_TGRAN##__sz##_NI));		\
-	})
 /*
  * Our emulated CPU doesn't support all the possible features. For the
  * sake of simplicity (and probably mental sanity), wipe out a number
@@ -1426,8 +1411,6 @@ static void kvm_map_l1_vncr(struct kvm_vcpu *vcpu)
  */
 u64 limit_nv_id_reg(struct kvm *kvm, u32 reg, u64 val)
 {
-	u64 orig_val = val;
-
 	switch (reg) {
 	case SYS_ID_AA64ISAR0_EL1:
 		/* Support everything but TME */
@@ -1497,15 +1480,12 @@ u64 limit_nv_id_reg(struct kvm *kvm, u32 reg, u64 val)
 		 */
 		switch (PAGE_SIZE) {
 		case SZ_4K:
-			if (has_tgran_2(orig_val, 4))
 			val |= SYS_FIELD_PREP_ENUM(ID_AA64MMFR0_EL1, TGRAN4_2, IMP);
 			fallthrough;
 		case SZ_16K:
-			if (has_tgran_2(orig_val, 16))
 			val |= SYS_FIELD_PREP_ENUM(ID_AA64MMFR0_EL1, TGRAN16_2, IMP);
 			fallthrough;
 		case SZ_64K:
-			if (has_tgran_2(orig_val, 64))
 			val |= SYS_FIELD_PREP_ENUM(ID_AA64MMFR0_EL1, TGRAN64_2, IMP);
 			break;
 		}

arch/arm64/kvm/vgic/vgic-v3-nested.c

@@ -401,7 +401,9 @@ void vgic_v3_nested_update_mi(struct kvm_vcpu *vcpu)
 {
 	bool level;
 
-	level = (__vcpu_sys_reg(vcpu, ICH_HCR_EL2) & ICH_HCR_EL2_En) && vgic_v3_get_misr(vcpu);
+	level  = __vcpu_sys_reg(vcpu, ICH_HCR_EL2) & ICH_HCR_EL2_En;
+	if (level)
+		level &= vgic_v3_get_misr(vcpu);
 	kvm_vgic_inject_irq(vcpu->kvm, vcpu,
 			    vcpu->kvm->arch.vgic.mi_intid, level, vcpu);
 }

arch/arm64/mm/fault.c

@@ -487,29 +487,17 @@ static void do_bad_area(unsigned long far, unsigned long esr,
 	}
 }
 
-static bool fault_from_pkey(struct vm_area_struct *vma, unsigned int mm_flags)
+static bool fault_from_pkey(unsigned long esr, struct vm_area_struct *vma,
+			unsigned int mm_flags)
 {
+	unsigned long iss2 = ESR_ELx_ISS2(esr);
+
 	if (!system_supports_poe())
 		return false;
 
-	/*
+	if (esr_fsc_is_permission_fault(esr) && (iss2 & ESR_ELx_Overlay))
-	 * We do not check whether an Overlay fault has occurred because we
+		return true;
-	 * cannot make a decision based solely on its value:
+
-	 *
-	 * - If Overlay is set, a fault did occur due to POE, but it may be
-	 *   spurious in those cases where we update POR_EL0 without ISB (e.g.
-	 *   on context-switch). We would then need to manually check POR_EL0
-	 *   against vma_pkey(vma), which is exactly what
-	 *   arch_vma_access_permitted() does.
-	 *
-	 * - If Overlay is not set, we may still need to report a pkey fault.
-	 *   This is the case if an access was made within a mapping but with no
-	 *   page mapped, and POR_EL0 forbids the access (according to
-	 *   vma_pkey()). Such access will result in a SIGSEGV regardless
-	 *   because core code checks arch_vma_access_permitted(), but in order
-	 *   to report the correct error code - SEGV_PKUERR - we must handle
-	 *   that case here.
-	 */
 	return !arch_vma_access_permitted(vma,
 			mm_flags & FAULT_FLAG_WRITE,
 			mm_flags & FAULT_FLAG_INSTRUCTION,
@@ -647,7 +635,7 @@ static int __kprobes do_page_fault(unsigned long far, unsigned long esr,
 		goto bad_area;
 	}
 
-	if (fault_from_pkey(vma, mm_flags)) {
+	if (fault_from_pkey(esr, vma, mm_flags)) {
 		pkey = vma_pkey(vma);
 		vma_end_read(vma);
 		fault = 0;
@@ -691,7 +679,7 @@ static int __kprobes do_page_fault(unsigned long far, unsigned long esr,
 		goto bad_area;
 	}
 
-	if (fault_from_pkey(vma, mm_flags)) {
+	if (fault_from_pkey(esr, vma, mm_flags)) {
 		pkey = vma_pkey(vma);
 		mmap_read_unlock(mm);
 		fault = 0;

arch/arm64/mm/proc.S

@@ -518,6 +518,7 @@ alternative_else_nop_endif
 	msr	REG_PIR_EL1, x0
 
 	orr	tcr2, tcr2, TCR2_EL1_PIE
+	msr	REG_TCR2_EL1, x0
 
 .Lskip_indirection:
 

arch/loongarch/include/asm/kvm_host.h

@@ -50,6 +50,12 @@ struct kvm_vm_stat {
 	struct kvm_vm_stat_generic generic;
 	u64 pages;
 	u64 hugepages;
+	u64 ipi_read_exits;
+	u64 ipi_write_exits;
+	u64 eiointc_read_exits;
+	u64 eiointc_write_exits;
+	u64 pch_pic_read_exits;
+	u64 pch_pic_write_exits;
 };
 
 struct kvm_vcpu_stat {
@@ -59,12 +65,6 @@ struct kvm_vcpu_stat {
 	u64 cpucfg_exits;
 	u64 signal_exits;
 	u64 hypercall_exits;
-	u64 ipi_read_exits;
-	u64 ipi_write_exits;
-	u64 eiointc_read_exits;
-	u64 eiointc_write_exits;
-	u64 pch_pic_read_exits;
-	u64 pch_pic_write_exits;
 };
 
 #define KVM_MEM_HUGEPAGE_CAPABLE	(1UL << 0)

arch/loongarch/kvm/exit.c

@@ -289,11 +289,9 @@ static int kvm_trap_handle_gspr(struct kvm_vcpu *vcpu)
 	er = EMULATE_FAIL;
 	switch (((inst.word >> 24) & 0xff)) {
 	case 0x0: /* CPUCFG GSPR */
-		trace_kvm_exit_cpucfg(vcpu, KVM_TRACE_EXIT_CPUCFG);
 		er = kvm_emu_cpucfg(vcpu, inst);
 		break;
 	case 0x4: /* CSR{RD,WR,XCHG} GSPR */
-		trace_kvm_exit_csr(vcpu, KVM_TRACE_EXIT_CSR);
 		er = kvm_handle_csr(vcpu, inst);
 		break;
 	case 0x6: /* Cache, Idle and IOCSR GSPR */

arch/loongarch/kvm/intc/eiointc.c

@@ -9,7 +9,7 @@
 
 static void eiointc_set_sw_coreisr(struct loongarch_eiointc *s)
 {
-	int ipnum, cpu, cpuid, irq;
+	int ipnum, cpu, cpuid, irq_index, irq_mask, irq;
 	struct kvm_vcpu *vcpu;
 
 	for (irq = 0; irq < EIOINTC_IRQS; irq++) {
@@ -18,6 +18,8 @@ static void eiointc_set_sw_coreisr(struct loongarch_eiointc *s)
 			ipnum = count_trailing_zeros(ipnum);
 			ipnum = (ipnum >= 0 && ipnum < 4) ? ipnum : 0;
 		}
+		irq_index = irq / 32;
+		irq_mask = BIT(irq & 0x1f);
 
 		cpuid = s->coremap.reg_u8[irq];
 		vcpu = kvm_get_vcpu_by_cpuid(s->kvm, cpuid);
@@ -25,16 +27,16 @@ static void eiointc_set_sw_coreisr(struct loongarch_eiointc *s)
 			continue;
 
 		cpu = vcpu->vcpu_id;
-		if (test_bit(irq, (unsigned long *)s->coreisr.reg_u32[cpu]))
+		if (!!(s->coreisr.reg_u32[cpu][irq_index] & irq_mask))
-			__set_bit(irq, s->sw_coreisr[cpu][ipnum]);
+			set_bit(irq, s->sw_coreisr[cpu][ipnum]);
 		else
-			__clear_bit(irq, s->sw_coreisr[cpu][ipnum]);
+			clear_bit(irq, s->sw_coreisr[cpu][ipnum]);
 	}
 }
 
 static void eiointc_update_irq(struct loongarch_eiointc *s, int irq, int level)
 {
-	int ipnum, cpu, found;
+	int ipnum, cpu, found, irq_index, irq_mask;
 	struct kvm_vcpu *vcpu;
 	struct kvm_interrupt vcpu_irq;
 
@@ -46,16 +48,19 @@ static void eiointc_update_irq(struct loongarch_eiointc *s, int irq, int level)
 
 	cpu = s->sw_coremap[irq];
 	vcpu = kvm_get_vcpu(s->kvm, cpu);
+	irq_index = irq / 32;
+	irq_mask = BIT(irq & 0x1f);
+
 	if (level) {
 		/* if not enable return false */
-		if (!test_bit(irq, (unsigned long *)s->enable.reg_u32))
+		if (((s->enable.reg_u32[irq_index]) & irq_mask) == 0)
 			return;
-		__set_bit(irq, (unsigned long *)s->coreisr.reg_u32[cpu]);
+		s->coreisr.reg_u32[cpu][irq_index] |= irq_mask;
 		found = find_first_bit(s->sw_coreisr[cpu][ipnum], EIOINTC_IRQS);
-		__set_bit(irq, s->sw_coreisr[cpu][ipnum]);
+		set_bit(irq, s->sw_coreisr[cpu][ipnum]);
 	} else {
-		__clear_bit(irq, (unsigned long *)s->coreisr.reg_u32[cpu]);
+		s->coreisr.reg_u32[cpu][irq_index] &= ~irq_mask;
-		__clear_bit(irq, s->sw_coreisr[cpu][ipnum]);
+		clear_bit(irq, s->sw_coreisr[cpu][ipnum]);
 		found = find_first_bit(s->sw_coreisr[cpu][ipnum], EIOINTC_IRQS);
 	}
 
@@ -105,14 +110,159 @@ void eiointc_set_irq(struct loongarch_eiointc *s, int irq, int level)
 	unsigned long flags;
 	unsigned long *isr = (unsigned long *)s->isr.reg_u8;
 
+	level ? set_bit(irq, isr) : clear_bit(irq, isr);
 	spin_lock_irqsave(&s->lock, flags);
-	level ? __set_bit(irq, isr) : __clear_bit(irq, isr);
 	eiointc_update_irq(s, irq, level);
 	spin_unlock_irqrestore(&s->lock, flags);
 }
 
-static int loongarch_eiointc_read(struct kvm_vcpu *vcpu, struct loongarch_eiointc *s,
+static inline void eiointc_enable_irq(struct kvm_vcpu *vcpu,
-				gpa_t addr, unsigned long *val)
+		struct loongarch_eiointc *s, int index, u8 mask, int level)
+{
+	u8 val;
+	int irq;
+
+	val = mask & s->isr.reg_u8[index];
+	irq = ffs(val);
+	while (irq != 0) {
+		/*
+		 * enable bit change from 0 to 1,
+		 * need to update irq by pending bits
+		 */
+		eiointc_update_irq(s, irq - 1 + index * 8, level);
+		val &= ~BIT(irq - 1);
+		irq = ffs(val);
+	}
+}
+
+static int loongarch_eiointc_readb(struct kvm_vcpu *vcpu, struct loongarch_eiointc *s,
+				gpa_t addr, int len, void *val)
+{
+	int index, ret = 0;
+	u8 data = 0;
+	gpa_t offset;
+
+	offset = addr - EIOINTC_BASE;
+	switch (offset) {
+	case EIOINTC_NODETYPE_START ... EIOINTC_NODETYPE_END:
+		index = offset - EIOINTC_NODETYPE_START;
+		data = s->nodetype.reg_u8[index];
+		break;
+	case EIOINTC_IPMAP_START ... EIOINTC_IPMAP_END:
+		index = offset - EIOINTC_IPMAP_START;
+		data = s->ipmap.reg_u8[index];
+		break;
+	case EIOINTC_ENABLE_START ... EIOINTC_ENABLE_END:
+		index = offset - EIOINTC_ENABLE_START;
+		data = s->enable.reg_u8[index];
+		break;
+	case EIOINTC_BOUNCE_START ... EIOINTC_BOUNCE_END:
+		index = offset - EIOINTC_BOUNCE_START;
+		data = s->bounce.reg_u8[index];
+		break;
+	case EIOINTC_COREISR_START ... EIOINTC_COREISR_END:
+		index = offset - EIOINTC_COREISR_START;
+		data = s->coreisr.reg_u8[vcpu->vcpu_id][index];
+		break;
+	case EIOINTC_COREMAP_START ... EIOINTC_COREMAP_END:
+		index = offset - EIOINTC_COREMAP_START;
+		data = s->coremap.reg_u8[index];
+		break;
+	default:
+		ret = -EINVAL;
+		break;
+	}
+	*(u8 *)val = data;
+
+	return ret;
+}
+
+static int loongarch_eiointc_readw(struct kvm_vcpu *vcpu, struct loongarch_eiointc *s,
+				gpa_t addr, int len, void *val)
+{
+	int index, ret = 0;
+	u16 data = 0;
+	gpa_t offset;
+
+	offset = addr - EIOINTC_BASE;
+	switch (offset) {
+	case EIOINTC_NODETYPE_START ... EIOINTC_NODETYPE_END:
+		index = (offset - EIOINTC_NODETYPE_START) >> 1;
+		data = s->nodetype.reg_u16[index];
+		break;
+	case EIOINTC_IPMAP_START ... EIOINTC_IPMAP_END:
+		index = (offset - EIOINTC_IPMAP_START) >> 1;
+		data = s->ipmap.reg_u16[index];
+		break;
+	case EIOINTC_ENABLE_START ... EIOINTC_ENABLE_END:
+		index = (offset - EIOINTC_ENABLE_START) >> 1;
+		data = s->enable.reg_u16[index];
+		break;
+	case EIOINTC_BOUNCE_START ... EIOINTC_BOUNCE_END:
+		index = (offset - EIOINTC_BOUNCE_START) >> 1;
+		data = s->bounce.reg_u16[index];
+		break;
+	case EIOINTC_COREISR_START ... EIOINTC_COREISR_END:
+		index = (offset - EIOINTC_COREISR_START) >> 1;
+		data = s->coreisr.reg_u16[vcpu->vcpu_id][index];
+		break;
+	case EIOINTC_COREMAP_START ... EIOINTC_COREMAP_END:
+		index = (offset - EIOINTC_COREMAP_START) >> 1;
+		data = s->coremap.reg_u16[index];
+		break;
+	default:
+		ret = -EINVAL;
+		break;
+	}
+	*(u16 *)val = data;
+
+	return ret;
+}
+
+static int loongarch_eiointc_readl(struct kvm_vcpu *vcpu, struct loongarch_eiointc *s,
+				gpa_t addr, int len, void *val)
+{
+	int index, ret = 0;
+	u32 data = 0;
+	gpa_t offset;
+
+	offset = addr - EIOINTC_BASE;
+	switch (offset) {
+	case EIOINTC_NODETYPE_START ... EIOINTC_NODETYPE_END:
+		index = (offset - EIOINTC_NODETYPE_START) >> 2;
+		data = s->nodetype.reg_u32[index];
+		break;
+	case EIOINTC_IPMAP_START ... EIOINTC_IPMAP_END:
+		index = (offset - EIOINTC_IPMAP_START) >> 2;
+		data = s->ipmap.reg_u32[index];
+		break;
+	case EIOINTC_ENABLE_START ... EIOINTC_ENABLE_END:
+		index = (offset - EIOINTC_ENABLE_START) >> 2;
+		data = s->enable.reg_u32[index];
+		break;
+	case EIOINTC_BOUNCE_START ... EIOINTC_BOUNCE_END:
+		index = (offset - EIOINTC_BOUNCE_START) >> 2;
+		data = s->bounce.reg_u32[index];
+		break;
+	case EIOINTC_COREISR_START ... EIOINTC_COREISR_END:
+		index = (offset - EIOINTC_COREISR_START) >> 2;
+		data = s->coreisr.reg_u32[vcpu->vcpu_id][index];
+		break;
+	case EIOINTC_COREMAP_START ... EIOINTC_COREMAP_END:
+		index = (offset - EIOINTC_COREMAP_START) >> 2;
+		data = s->coremap.reg_u32[index];
+		break;
+	default:
+		ret = -EINVAL;
+		break;
+	}
+	*(u32 *)val = data;
+
+	return ret;
+}
+
+static int loongarch_eiointc_readq(struct kvm_vcpu *vcpu, struct loongarch_eiointc *s,
+				gpa_t addr, int len, void *val)
 {
 	int index, ret = 0;
 	u64 data = 0;
@@ -148,7 +298,7 @@ static int loongarch_eiointc_read(struct kvm_vcpu *vcpu, struct loongarch_eioint
 		ret = -EINVAL;
 		break;
 	}
-	*val = data;
+	*(u64 *)val = data;
 
 	return ret;
 }
@@ -158,7 +308,7 @@ static int kvm_eiointc_read(struct kvm_vcpu *vcpu,
 			gpa_t addr, int len, void *val)
 {
 	int ret = -EINVAL;
-	unsigned long flags, data, offset;
+	unsigned long flags;
 	struct loongarch_eiointc *eiointc = vcpu->kvm->arch.eiointc;
 
 	if (!eiointc) {
@@ -171,115 +321,355 @@ static int kvm_eiointc_read(struct kvm_vcpu *vcpu,
 		return -EINVAL;
 	}
 
-	offset = addr & 0x7;
+	vcpu->kvm->stat.eiointc_read_exits++;
-	addr -= offset;
-	vcpu->stat.eiointc_read_exits++;
 	spin_lock_irqsave(&eiointc->lock, flags);
-	ret = loongarch_eiointc_read(vcpu, eiointc, addr, &data);
-	spin_unlock_irqrestore(&eiointc->lock, flags);
-	if (ret)
-		return ret;
-
-	data = data >> (offset * 8);
 	switch (len) {
 	case 1:
-		*(long *)val = (s8)data;
+		ret = loongarch_eiointc_readb(vcpu, eiointc, addr, len, val);
 		break;
 	case 2:
-		*(long *)val = (s16)data;
+		ret = loongarch_eiointc_readw(vcpu, eiointc, addr, len, val);
 		break;
 	case 4:
-		*(long *)val = (s32)data;
+		ret = loongarch_eiointc_readl(vcpu, eiointc, addr, len, val);
+		break;
+	case 8:
+		ret = loongarch_eiointc_readq(vcpu, eiointc, addr, len, val);
 		break;
 	default:
-		*(long *)val = (long)data;
+		WARN_ONCE(1, "%s: Abnormal address access: addr 0x%llx, size %d\n",
-		break;
+						__func__, addr, len);
+	}
+	spin_unlock_irqrestore(&eiointc->lock, flags);
+
+	return ret;
 }
 
-	return 0;
+static int loongarch_eiointc_writeb(struct kvm_vcpu *vcpu,
-}
-
-static int loongarch_eiointc_write(struct kvm_vcpu *vcpu,
 				struct loongarch_eiointc *s,
-				gpa_t addr, u64 value, u64 field_mask)
+				gpa_t addr, int len, const void *val)
 {
-	int index, irq, ret = 0;
+	int index, irq, bits, ret = 0;
 	u8 cpu;
-	u64 data, old, mask;
+	u8 data, old_data;
+	u8 coreisr, old_coreisr;
 	gpa_t offset;
 
-	offset = addr & 7;
+	data = *(u8 *)val;
-	mask = field_mask << (offset * 8);
-	data = (value & field_mask) << (offset * 8);
-
-	addr -= offset;
 	offset = addr - EIOINTC_BASE;
 
 	switch (offset) {
 	case EIOINTC_NODETYPE_START ... EIOINTC_NODETYPE_END:
-		index = (offset - EIOINTC_NODETYPE_START) >> 3;
+		index = (offset - EIOINTC_NODETYPE_START);
-		old = s->nodetype.reg_u64[index];
+		s->nodetype.reg_u8[index] = data;
-		s->nodetype.reg_u64[index] = (old & ~mask) | data;
 		break;
 	case EIOINTC_IPMAP_START ... EIOINTC_IPMAP_END:
 		/*
 		 * ipmap cannot be set at runtime, can be set only at the beginning
 		 * of irqchip driver, need not update upper irq level
 		 */
-		old = s->ipmap.reg_u64;
+		index = (offset - EIOINTC_IPMAP_START);
-		s->ipmap.reg_u64 = (old & ~mask) | data;
+		s->ipmap.reg_u8[index] = data;
 		break;
 	case EIOINTC_ENABLE_START ... EIOINTC_ENABLE_END:
-		index = (offset - EIOINTC_ENABLE_START) >> 3;
+		index = (offset - EIOINTC_ENABLE_START);
-		old = s->enable.reg_u64[index];
+		old_data = s->enable.reg_u8[index];
-		s->enable.reg_u64[index] = (old & ~mask) | data;
+		s->enable.reg_u8[index] = data;
 		/*
 		 * 1: enable irq.
 		 * update irq when isr is set.
 		 */
-		data = s->enable.reg_u64[index] & ~old & s->isr.reg_u64[index];
+		data = s->enable.reg_u8[index] & ~old_data & s->isr.reg_u8[index];
-		while (data) {
+		eiointc_enable_irq(vcpu, s, index, data, 1);
-			irq = __ffs(data);
+		/*
-			eiointc_update_irq(s, irq + index * 64, 1);
+		 * 0: disable irq.
-			data &= ~BIT_ULL(irq);
+		 * update irq when isr is set.
+		 */
+		data = ~s->enable.reg_u8[index] & old_data & s->isr.reg_u8[index];
+		eiointc_enable_irq(vcpu, s, index, data, 0);
+		break;
+	case EIOINTC_BOUNCE_START ... EIOINTC_BOUNCE_END:
+		/* do not emulate hw bounced irq routing */
+		index = offset - EIOINTC_BOUNCE_START;
+		s->bounce.reg_u8[index] = data;
+		break;
+	case EIOINTC_COREISR_START ... EIOINTC_COREISR_END:
+		index = (offset - EIOINTC_COREISR_START);
+		/* use attrs to get current cpu index */
+		cpu = vcpu->vcpu_id;
+		coreisr = data;
+		old_coreisr = s->coreisr.reg_u8[cpu][index];
+		/* write 1 to clear interrupt */
+		s->coreisr.reg_u8[cpu][index] = old_coreisr & ~coreisr;
+		coreisr &= old_coreisr;
+		bits = sizeof(data) * 8;
+		irq = find_first_bit((void *)&coreisr, bits);
+		while (irq < bits) {
+			eiointc_update_irq(s, irq + index * bits, 0);
+			bitmap_clear((void *)&coreisr, irq, 1);
+			irq = find_first_bit((void *)&coreisr, bits);
+		}
+		break;
+	case EIOINTC_COREMAP_START ... EIOINTC_COREMAP_END:
+		irq = offset - EIOINTC_COREMAP_START;
+		index = irq;
+		s->coremap.reg_u8[index] = data;
+		eiointc_update_sw_coremap(s, irq, data, sizeof(data), true);
+		break;
+	default:
+		ret = -EINVAL;
+		break;
+	}
+
+	return ret;
+}
+
+static int loongarch_eiointc_writew(struct kvm_vcpu *vcpu,
+				struct loongarch_eiointc *s,
+				gpa_t addr, int len, const void *val)
+{
+	int i, index, irq, bits, ret = 0;
+	u8 cpu;
+	u16 data, old_data;
+	u16 coreisr, old_coreisr;
+	gpa_t offset;
+
+	data = *(u16 *)val;
+	offset = addr - EIOINTC_BASE;
+
+	switch (offset) {
+	case EIOINTC_NODETYPE_START ... EIOINTC_NODETYPE_END:
+		index = (offset - EIOINTC_NODETYPE_START) >> 1;
+		s->nodetype.reg_u16[index] = data;
+		break;
+	case EIOINTC_IPMAP_START ... EIOINTC_IPMAP_END:
+		/*
+		 * ipmap cannot be set at runtime, can be set only at the beginning
+		 * of irqchip driver, need not update upper irq level
+		 */
+		index = (offset - EIOINTC_IPMAP_START) >> 1;
+		s->ipmap.reg_u16[index] = data;
+		break;
+	case EIOINTC_ENABLE_START ... EIOINTC_ENABLE_END:
+		index = (offset - EIOINTC_ENABLE_START) >> 1;
+		old_data = s->enable.reg_u16[index];
+		s->enable.reg_u16[index] = data;
+		/*
+		 * 1: enable irq.
+		 * update irq when isr is set.
+		 */
+		data = s->enable.reg_u16[index] & ~old_data & s->isr.reg_u16[index];
+		for (i = 0; i < sizeof(data); i++) {
+			u8 mask = (data >> (i * 8)) & 0xff;
+			eiointc_enable_irq(vcpu, s, index * 2 + i, mask, 1);
 		}
 		/*
 		 * 0: disable irq.
 		 * update irq when isr is set.
 		 */
-		data = ~s->enable.reg_u64[index] & old & s->isr.reg_u64[index];
+		data = ~s->enable.reg_u16[index] & old_data & s->isr.reg_u16[index];
-		while (data) {
+		for (i = 0; i < sizeof(data); i++) {
-			irq = __ffs(data);
+			u8 mask = (data >> (i * 8)) & 0xff;
-			eiointc_update_irq(s, irq + index * 64, 0);
+			eiointc_enable_irq(vcpu, s, index * 2 + i, mask, 0);
-			data &= ~BIT_ULL(irq);
+		}
+		break;
+	case EIOINTC_BOUNCE_START ... EIOINTC_BOUNCE_END:
+		/* do not emulate hw bounced irq routing */
+		index = (offset - EIOINTC_BOUNCE_START) >> 1;
+		s->bounce.reg_u16[index] = data;
+		break;
+	case EIOINTC_COREISR_START ... EIOINTC_COREISR_END:
+		index = (offset - EIOINTC_COREISR_START) >> 1;
+		/* use attrs to get current cpu index */
+		cpu = vcpu->vcpu_id;
+		coreisr = data;
+		old_coreisr = s->coreisr.reg_u16[cpu][index];
+		/* write 1 to clear interrupt */
+		s->coreisr.reg_u16[cpu][index] = old_coreisr & ~coreisr;
+		coreisr &= old_coreisr;
+		bits = sizeof(data) * 8;
+		irq = find_first_bit((void *)&coreisr, bits);
+		while (irq < bits) {
+			eiointc_update_irq(s, irq + index * bits, 0);
+			bitmap_clear((void *)&coreisr, irq, 1);
+			irq = find_first_bit((void *)&coreisr, bits);
+		}
+		break;
+	case EIOINTC_COREMAP_START ... EIOINTC_COREMAP_END:
+		irq = offset - EIOINTC_COREMAP_START;
+		index = irq >> 1;
+		s->coremap.reg_u16[index] = data;
+		eiointc_update_sw_coremap(s, irq, data, sizeof(data), true);
+		break;
+	default:
+		ret = -EINVAL;
+		break;
+	}
+
+	return ret;
+}
+
+static int loongarch_eiointc_writel(struct kvm_vcpu *vcpu,
+				struct loongarch_eiointc *s,
+				gpa_t addr, int len, const void *val)
+{
+	int i, index, irq, bits, ret = 0;
+	u8 cpu;
+	u32 data, old_data;
+	u32 coreisr, old_coreisr;
+	gpa_t offset;
+
+	data = *(u32 *)val;
+	offset = addr - EIOINTC_BASE;
+
+	switch (offset) {
+	case EIOINTC_NODETYPE_START ... EIOINTC_NODETYPE_END:
+		index = (offset - EIOINTC_NODETYPE_START) >> 2;
+		s->nodetype.reg_u32[index] = data;
+		break;
+	case EIOINTC_IPMAP_START ... EIOINTC_IPMAP_END:
+		/*
+		 * ipmap cannot be set at runtime, can be set only at the beginning
+		 * of irqchip driver, need not update upper irq level
+		 */
+		index = (offset - EIOINTC_IPMAP_START) >> 2;
+		s->ipmap.reg_u32[index] = data;
+		break;
+	case EIOINTC_ENABLE_START ... EIOINTC_ENABLE_END:
+		index = (offset - EIOINTC_ENABLE_START) >> 2;
+		old_data = s->enable.reg_u32[index];
+		s->enable.reg_u32[index] = data;
+		/*
+		 * 1: enable irq.
+		 * update irq when isr is set.
+		 */
+		data = s->enable.reg_u32[index] & ~old_data & s->isr.reg_u32[index];
+		for (i = 0; i < sizeof(data); i++) {
+			u8 mask = (data >> (i * 8)) & 0xff;
+			eiointc_enable_irq(vcpu, s, index * 4 + i, mask, 1);
+		}
+		/*
+		 * 0: disable irq.
+		 * update irq when isr is set.
+		 */
+		data = ~s->enable.reg_u32[index] & old_data & s->isr.reg_u32[index];
+		for (i = 0; i < sizeof(data); i++) {
+			u8 mask = (data >> (i * 8)) & 0xff;
+			eiointc_enable_irq(vcpu, s, index * 4 + i, mask, 0);
+		}
+		break;
+	case EIOINTC_BOUNCE_START ... EIOINTC_BOUNCE_END:
+		/* do not emulate hw bounced irq routing */
+		index = (offset - EIOINTC_BOUNCE_START) >> 2;
+		s->bounce.reg_u32[index] = data;
+		break;
+	case EIOINTC_COREISR_START ... EIOINTC_COREISR_END:
+		index = (offset - EIOINTC_COREISR_START) >> 2;
+		/* use attrs to get current cpu index */
+		cpu = vcpu->vcpu_id;
+		coreisr = data;
+		old_coreisr = s->coreisr.reg_u32[cpu][index];
+		/* write 1 to clear interrupt */
+		s->coreisr.reg_u32[cpu][index] = old_coreisr & ~coreisr;
+		coreisr &= old_coreisr;
+		bits = sizeof(data) * 8;
+		irq = find_first_bit((void *)&coreisr, bits);
+		while (irq < bits) {
+			eiointc_update_irq(s, irq + index * bits, 0);
+			bitmap_clear((void *)&coreisr, irq, 1);
+			irq = find_first_bit((void *)&coreisr, bits);
+		}
+		break;
+	case EIOINTC_COREMAP_START ... EIOINTC_COREMAP_END:
+		irq = offset - EIOINTC_COREMAP_START;
+		index = irq >> 2;
+		s->coremap.reg_u32[index] = data;
+		eiointc_update_sw_coremap(s, irq, data, sizeof(data), true);
+		break;
+	default:
+		ret = -EINVAL;
+		break;
+	}
+
+	return ret;
+}
+
+static int loongarch_eiointc_writeq(struct kvm_vcpu *vcpu,
+				struct loongarch_eiointc *s,
+				gpa_t addr, int len, const void *val)
+{
+	int i, index, irq, bits, ret = 0;
+	u8 cpu;
+	u64 data, old_data;
+	u64 coreisr, old_coreisr;
+	gpa_t offset;
+
+	data = *(u64 *)val;
+	offset = addr - EIOINTC_BASE;
+
+	switch (offset) {
+	case EIOINTC_NODETYPE_START ... EIOINTC_NODETYPE_END:
+		index = (offset - EIOINTC_NODETYPE_START) >> 3;
+		s->nodetype.reg_u64[index] = data;
+		break;
+	case EIOINTC_IPMAP_START ... EIOINTC_IPMAP_END:
+		/*
+		 * ipmap cannot be set at runtime, can be set only at the beginning
+		 * of irqchip driver, need not update upper irq level
+		 */
+		index = (offset - EIOINTC_IPMAP_START) >> 3;
+		s->ipmap.reg_u64 = data;
+		break;
+	case EIOINTC_ENABLE_START ... EIOINTC_ENABLE_END:
+		index = (offset - EIOINTC_ENABLE_START) >> 3;
+		old_data = s->enable.reg_u64[index];
+		s->enable.reg_u64[index] = data;
+		/*
+		 * 1: enable irq.
+		 * update irq when isr is set.
+		 */
+		data = s->enable.reg_u64[index] & ~old_data & s->isr.reg_u64[index];
+		for (i = 0; i < sizeof(data); i++) {
+			u8 mask = (data >> (i * 8)) & 0xff;
+			eiointc_enable_irq(vcpu, s, index * 8 + i, mask, 1);
+		}
+		/*
+		 * 0: disable irq.
+		 * update irq when isr is set.
+		 */
+		data = ~s->enable.reg_u64[index] & old_data & s->isr.reg_u64[index];
+		for (i = 0; i < sizeof(data); i++) {
+			u8 mask = (data >> (i * 8)) & 0xff;
+			eiointc_enable_irq(vcpu, s, index * 8 + i, mask, 0);
 		}
 		break;
 	case EIOINTC_BOUNCE_START ... EIOINTC_BOUNCE_END:
 		/* do not emulate hw bounced irq routing */
 		index = (offset - EIOINTC_BOUNCE_START) >> 3;
-		old = s->bounce.reg_u64[index];
+		s->bounce.reg_u64[index] = data;
-		s->bounce.reg_u64[index] = (old & ~mask) | data;
 		break;
 	case EIOINTC_COREISR_START ... EIOINTC_COREISR_END:
 		index = (offset - EIOINTC_COREISR_START) >> 3;
 		/* use attrs to get current cpu index */
 		cpu = vcpu->vcpu_id;
-		old = s->coreisr.reg_u64[cpu][index];
+		coreisr = data;
+		old_coreisr = s->coreisr.reg_u64[cpu][index];
 		/* write 1 to clear interrupt */
-		s->coreisr.reg_u64[cpu][index] = old & ~data;
+		s->coreisr.reg_u64[cpu][index] = old_coreisr & ~coreisr;
-		data &= old;
+		coreisr &= old_coreisr;
-		while (data) {
+		bits = sizeof(data) * 8;
-			irq = __ffs(data);
+		irq = find_first_bit((void *)&coreisr, bits);
-			eiointc_update_irq(s, irq + index * 64, 0);
+		while (irq < bits) {
-			data &= ~BIT_ULL(irq);
+			eiointc_update_irq(s, irq + index * bits, 0);
+			bitmap_clear((void *)&coreisr, irq, 1);
+			irq = find_first_bit((void *)&coreisr, bits);
 		}
 		break;
 	case EIOINTC_COREMAP_START ... EIOINTC_COREMAP_END:
-		index = (offset - EIOINTC_COREMAP_START) >> 3;
+		irq = offset - EIOINTC_COREMAP_START;
-		old = s->coremap.reg_u64[index];
+		index = irq >> 3;
-		s->coremap.reg_u64[index] = (old & ~mask) | data;
+		s->coremap.reg_u64[index] = data;
-		data = s->coremap.reg_u64[index];
+		eiointc_update_sw_coremap(s, irq, data, sizeof(data), true);
-		eiointc_update_sw_coremap(s, index * 8, data, sizeof(data), true);
 		break;
 	default:
 		ret = -EINVAL;
@@ -294,7 +684,7 @@ static int kvm_eiointc_write(struct kvm_vcpu *vcpu,
 			gpa_t addr, int len, const void *val)
 {
 	int ret = -EINVAL;
-	unsigned long flags, value;
+	unsigned long flags;
 	struct loongarch_eiointc *eiointc = vcpu->kvm->arch.eiointc;
 
 	if (!eiointc) {
@@ -307,25 +697,24 @@ static int kvm_eiointc_write(struct kvm_vcpu *vcpu,
 		return -EINVAL;
 	}
 
-	vcpu->stat.eiointc_write_exits++;
+	vcpu->kvm->stat.eiointc_write_exits++;
 	spin_lock_irqsave(&eiointc->lock, flags);
 	switch (len) {
 	case 1:
-		value = *(unsigned char *)val;
+		ret = loongarch_eiointc_writeb(vcpu, eiointc, addr, len, val);
-		ret = loongarch_eiointc_write(vcpu, eiointc, addr, value, 0xFF);
 		break;
 	case 2:
-		value = *(unsigned short *)val;
+		ret = loongarch_eiointc_writew(vcpu, eiointc, addr, len, val);
-		ret = loongarch_eiointc_write(vcpu, eiointc, addr, value, USHRT_MAX);
 		break;
 	case 4:
-		value = *(unsigned int *)val;
+		ret = loongarch_eiointc_writel(vcpu, eiointc, addr, len, val);
-		ret = loongarch_eiointc_write(vcpu, eiointc, addr, value, UINT_MAX);
+		break;
+	case 8:
+		ret = loongarch_eiointc_writeq(vcpu, eiointc, addr, len, val);
 		break;
 	default:
-		value = *(unsigned long *)val;
+		WARN_ONCE(1, "%s: Abnormal address access: addr 0x%llx, size %d\n",
-		ret = loongarch_eiointc_write(vcpu, eiointc, addr, value, ULONG_MAX);
+						__func__, addr, len);
-		break;
 	}
 	spin_unlock_irqrestore(&eiointc->lock, flags);
 
@@ -600,7 +989,7 @@ static int kvm_eiointc_create(struct kvm_device *dev, u32 type)
 {
 	int ret;
 	struct loongarch_eiointc *s;
-	struct kvm_io_device *device;
+	struct kvm_io_device *device, *device1;
 	struct kvm *kvm = dev->kvm;
 
 	/* eiointc has been created */
@@ -628,10 +1017,10 @@ static int kvm_eiointc_create(struct kvm_device *dev, u32 type)
 		return ret;
 	}
 
-	device = &s->device_vext;
+	device1 = &s->device_vext;
-	kvm_iodevice_init(device, &kvm_eiointc_virt_ops);
+	kvm_iodevice_init(device1, &kvm_eiointc_virt_ops);
 	ret = kvm_io_bus_register_dev(kvm, KVM_IOCSR_BUS,
-			EIOINTC_VIRT_BASE, EIOINTC_VIRT_SIZE, device);
+			EIOINTC_VIRT_BASE, EIOINTC_VIRT_SIZE, device1);
 	if (ret < 0) {
 		kvm_io_bus_unregister_dev(kvm, KVM_IOCSR_BUS, &s->device);
 		kfree(s);

arch/loongarch/kvm/intc/ipi.c

@@ -268,16 +268,36 @@ static int kvm_ipi_read(struct kvm_vcpu *vcpu,
 			struct kvm_io_device *dev,
 			gpa_t addr, int len, void *val)
 {
-	vcpu->stat.ipi_read_exits++;
+	int ret;
-	return loongarch_ipi_readl(vcpu, addr, len, val);
+	struct loongarch_ipi *ipi;
+
+	ipi = vcpu->kvm->arch.ipi;
+	if (!ipi) {
+		kvm_err("%s: ipi irqchip not valid!\n", __func__);
+		return -EINVAL;
+	}
+	ipi->kvm->stat.ipi_read_exits++;
+	ret = loongarch_ipi_readl(vcpu, addr, len, val);
+
+	return ret;
 }
 
 static int kvm_ipi_write(struct kvm_vcpu *vcpu,
 			struct kvm_io_device *dev,
 			gpa_t addr, int len, const void *val)
 {
-	vcpu->stat.ipi_write_exits++;
+	int ret;
-	return loongarch_ipi_writel(vcpu, addr, len, val);
+	struct loongarch_ipi *ipi;
+
+	ipi = vcpu->kvm->arch.ipi;
+	if (!ipi) {
+		kvm_err("%s: ipi irqchip not valid!\n", __func__);
+		return -EINVAL;
+	}
+	ipi->kvm->stat.ipi_write_exits++;
+	ret = loongarch_ipi_writel(vcpu, addr, len, val);
+
+	return ret;
 }
 
 static const struct kvm_io_device_ops kvm_ipi_ops = {

arch/loongarch/kvm/intc/pch_pic.c

@@ -196,7 +196,7 @@ static int kvm_pch_pic_read(struct kvm_vcpu *vcpu,
 	}
 
 	/* statistics of pch pic reading */
-	vcpu->stat.pch_pic_read_exits++;
+	vcpu->kvm->stat.pch_pic_read_exits++;
 	ret = loongarch_pch_pic_read(s, addr, len, val);
 
 	return ret;
@@ -303,7 +303,7 @@ static int kvm_pch_pic_write(struct kvm_vcpu *vcpu,
 	}
 
 	/* statistics of pch pic writing */
-	vcpu->stat.pch_pic_write_exits++;
+	vcpu->kvm->stat.pch_pic_write_exits++;
 	ret = loongarch_pch_pic_write(s, addr, len, val);
 
 	return ret;

arch/loongarch/kvm/trace.h

@@ -46,15 +46,11 @@ DEFINE_EVENT(kvm_transition, kvm_out,
 /* Further exit reasons */
 #define KVM_TRACE_EXIT_IDLE		64
 #define KVM_TRACE_EXIT_CACHE		65
-#define KVM_TRACE_EXIT_CPUCFG		66
-#define KVM_TRACE_EXIT_CSR		67
 
 /* Tracepoints for VM exits */
 #define kvm_trace_symbol_exit_types			\
 	{ KVM_TRACE_EXIT_IDLE,		"IDLE" },	\
-	{ KVM_TRACE_EXIT_CACHE,		"CACHE" },	\
+	{ KVM_TRACE_EXIT_CACHE,		"CACHE" }
-	{ KVM_TRACE_EXIT_CPUCFG,	"CPUCFG" },	\
-	{ KVM_TRACE_EXIT_CSR,		"CSR" }
 
 DECLARE_EVENT_CLASS(kvm_exit,
 	    TP_PROTO(struct kvm_vcpu *vcpu, unsigned int reason),
@@ -86,14 +82,6 @@ DEFINE_EVENT(kvm_exit, kvm_exit_cache,
 	     TP_PROTO(struct kvm_vcpu *vcpu, unsigned int reason),
 	     TP_ARGS(vcpu, reason));
 
-DEFINE_EVENT(kvm_exit, kvm_exit_cpucfg,
-	     TP_PROTO(struct kvm_vcpu *vcpu, unsigned int reason),
-	     TP_ARGS(vcpu, reason));
-
-DEFINE_EVENT(kvm_exit, kvm_exit_csr,
-	     TP_PROTO(struct kvm_vcpu *vcpu, unsigned int reason),
-	     TP_ARGS(vcpu, reason));
-
 DEFINE_EVENT(kvm_exit, kvm_exit,
 	     TP_PROTO(struct kvm_vcpu *vcpu, unsigned int reason),
 	     TP_ARGS(vcpu, reason));

arch/loongarch/kvm/vcpu.c

@@ -20,13 +20,7 @@ const struct _kvm_stats_desc kvm_vcpu_stats_desc[] = {
 	STATS_DESC_COUNTER(VCPU, idle_exits),
 	STATS_DESC_COUNTER(VCPU, cpucfg_exits),
 	STATS_DESC_COUNTER(VCPU, signal_exits),
-	STATS_DESC_COUNTER(VCPU, hypercall_exits),
+	STATS_DESC_COUNTER(VCPU, hypercall_exits)
-	STATS_DESC_COUNTER(VCPU, ipi_read_exits),
-	STATS_DESC_COUNTER(VCPU, ipi_write_exits),
-	STATS_DESC_COUNTER(VCPU, eiointc_read_exits),
-	STATS_DESC_COUNTER(VCPU, eiointc_write_exits),
-	STATS_DESC_COUNTER(VCPU, pch_pic_read_exits),
-	STATS_DESC_COUNTER(VCPU, pch_pic_write_exits)
 };
 
 const struct kvm_stats_header kvm_vcpu_stats_header = {

arch/riscv/Kconfig

@@ -63,8 +63,7 @@ config RISCV
 	select ARCH_OPTIONAL_KERNEL_RWX_DEFAULT
 	select ARCH_STACKWALK
 	select ARCH_SUPPORTS_ATOMIC_RMW
-	# clang >= 17: https://github.com/llvm/llvm-project/commit/62fa708ceb027713b386c7e0efda994f8bdc27e2
+	select ARCH_SUPPORTS_CFI_CLANG
-	select ARCH_SUPPORTS_CFI_CLANG if CLANG_VERSION >= 170000
 	select ARCH_SUPPORTS_DEBUG_PAGEALLOC if MMU
 	select ARCH_SUPPORTS_HUGE_PFNMAP if TRANSPARENT_HUGEPAGE
 	select ARCH_SUPPORTS_HUGETLBFS if MMU

arch/riscv/include/asm/pgtable.h

@@ -1075,6 +1075,7 @@ static inline pte_t pte_swp_clear_exclusive(pte_t pte)
  */
 #ifdef CONFIG_64BIT
 #define TASK_SIZE_64	(PGDIR_SIZE * PTRS_PER_PGD / 2)
+#define TASK_SIZE_MAX	LONG_MAX
 
 #ifdef CONFIG_COMPAT
 #define TASK_SIZE_32	(_AC(0x80000000, UL) - PAGE_SIZE)

arch/riscv/include/asm/runtime-const.h

@@ -206,7 +206,7 @@ static inline void __runtime_fixup_32(__le16 *lui_parcel, __le16 *addi_parcel, u
 		addi_insn_mask &= 0x07fff;
 	}
 
-	if (lower_immediate & 0x00000fff || lui_insn == RISCV_INSN_NOP4) {
+	if (lower_immediate & 0x00000fff) {
 		/* replace upper 12 bits of addi with lower 12 bits of val */
 		addi_insn &= addi_insn_mask;
 		addi_insn |= (lower_immediate & 0x00000fff) << 20;

arch/riscv/include/asm/uaccess.h

@@ -127,7 +127,6 @@ do {								\
 
 #ifdef CONFIG_CC_HAS_ASM_GOTO_OUTPUT
 #define __get_user_8(x, ptr, label)				\
-do {								\
 	u32 __user *__ptr = (u32 __user *)(ptr);		\
 	u32 __lo, __hi;						\
 	asm_goto_output(					\
@@ -142,7 +141,7 @@ do {								\
 		: : label);                                     \
 	(x) = (__typeof__(x))((__typeof__((x) - (x)))(		\
 		(((u64)__hi << 32) | __lo)));			\
-} while (0)
+
 #else /* !CONFIG_CC_HAS_ASM_GOTO_OUTPUT */
 #define __get_user_8(x, ptr, label)				\
 do {								\

arch/riscv/include/asm/vdso/getrandom.h

@@ -18,7 +18,7 @@ static __always_inline ssize_t getrandom_syscall(void *_buffer, size_t _len, uns
 	register unsigned int flags asm("a2") = _flags;
 
 	asm volatile ("ecall\n"
-		      : "=r" (ret)
+		      : "+r" (ret)
 		      : "r" (nr), "r" (buffer), "r" (len), "r" (flags)
 		      : "memory");
 

arch/riscv/include/asm/vector.h

@@ -205,11 +205,11 @@ static inline void __riscv_v_vstate_save(struct __riscv_v_ext_state *save_to,
 			THEAD_VSETVLI_T4X0E8M8D1
 			THEAD_VSB_V_V0T0
 			"add		t0, t0, t4\n\t"
-			THEAD_VSB_V_V8T0
+			THEAD_VSB_V_V0T0
 			"add		t0, t0, t4\n\t"
-			THEAD_VSB_V_V16T0
+			THEAD_VSB_V_V0T0
 			"add		t0, t0, t4\n\t"
-			THEAD_VSB_V_V24T0
+			THEAD_VSB_V_V0T0
 			: : "r" (datap) : "memory", "t0", "t4");
 	} else {
 		asm volatile (
@@ -241,11 +241,11 @@ static inline void __riscv_v_vstate_restore(struct __riscv_v_ext_state *restore_
 			THEAD_VSETVLI_T4X0E8M8D1
 			THEAD_VLB_V_V0T0
 			"add		t0, t0, t4\n\t"
-			THEAD_VLB_V_V8T0
+			THEAD_VLB_V_V0T0
 			"add		t0, t0, t4\n\t"
-			THEAD_VLB_V_V16T0
+			THEAD_VLB_V_V0T0
 			"add		t0, t0, t4\n\t"
-			THEAD_VLB_V_V24T0
+			THEAD_VLB_V_V0T0
 			: : "r" (datap) : "memory", "t0", "t4");
 	} else {
 		asm volatile (

arch/riscv/kernel/cpu_ops_sbi.c

@@ -18,10 +18,10 @@ const struct cpu_operations cpu_ops_sbi;
 
 /*
  * Ordered booting via HSM brings one cpu at a time. However, cpu hotplug can
- * be invoked from multiple threads in parallel. Define an array of boot data
+ * be invoked from multiple threads in parallel. Define a per cpu data
  * to handle that.
  */
-static struct sbi_hart_boot_data boot_data[NR_CPUS];
+static DEFINE_PER_CPU(struct sbi_hart_boot_data, boot_data);
 
 static int sbi_hsm_hart_start(unsigned long hartid, unsigned long saddr,
 			      unsigned long priv)
@@ -67,7 +67,7 @@ static int sbi_cpu_start(unsigned int cpuid, struct task_struct *tidle)
 	unsigned long boot_addr = __pa_symbol(secondary_start_sbi);
 	unsigned long hartid = cpuid_to_hartid_map(cpuid);
 	unsigned long hsm_data;
-	struct sbi_hart_boot_data *bdata = &boot_data[cpuid];
+	struct sbi_hart_boot_data *bdata = &per_cpu(boot_data, cpuid);
 
 	/* Make sure tidle is updated */
 	smp_mb();

arch/riscv/kernel/setup.c

@@ -50,7 +50,6 @@ atomic_t hart_lottery __section(".sdata")
 #endif
 ;
 unsigned long boot_cpu_hartid;
-EXPORT_SYMBOL_GPL(boot_cpu_hartid);
 
 /*
  * Place kernel memory regions on the resource tree so that

arch/riscv/kernel/traps_misaligned.c

@@ -454,7 +454,7 @@ static int handle_scalar_misaligned_load(struct pt_regs *regs)
 
 	val.data_u64 = 0;
 	if (user_mode(regs)) {
-		if (copy_from_user(&val, (u8 __user *)addr, len))
+		if (copy_from_user_nofault(&val, (u8 __user *)addr, len))
 			return -1;
 	} else {
 		memcpy(&val, (u8 *)addr, len);
@@ -555,7 +555,7 @@ static int handle_scalar_misaligned_store(struct pt_regs *regs)
 		return -EOPNOTSUPP;
 
 	if (user_mode(regs)) {
-		if (copy_to_user((u8 __user *)addr, &val, len))
+		if (copy_to_user_nofault((u8 __user *)addr, &val, len))
 			return -1;
 	} else {
 		memcpy((u8 *)addr, &val, len);

arch/riscv/kernel/vdso/vdso.lds.S

@@ -30,7 +30,7 @@ SECTIONS
 		*(.data .data.* .gnu.linkonce.d.*)
 		*(.dynbss)
 		*(.bss .bss.* .gnu.linkonce.b.*)
-	}						:text
+	}
 
 	.note		: { *(.note.*) }		:text	:note
 

arch/riscv/kernel/vendor_extensions/sifive.c

@@ -8,7 +8,7 @@
 #include <linux/types.h>
 
 /* All SiFive vendor extensions supported in Linux */
-static const struct riscv_isa_ext_data riscv_isa_vendor_ext_sifive[] = {
+const struct riscv_isa_ext_data riscv_isa_vendor_ext_sifive[] = {
 	__RISCV_ISA_EXT_DATA(xsfvfnrclipxfqf, RISCV_ISA_VENDOR_EXT_XSFVFNRCLIPXFQF),
 	__RISCV_ISA_EXT_DATA(xsfvfwmaccqqq, RISCV_ISA_VENDOR_EXT_XSFVFWMACCQQQ),
 	__RISCV_ISA_EXT_DATA(xsfvqmaccdod, RISCV_ISA_VENDOR_EXT_XSFVQMACCDOD),

arch/s390/crypto/sha1_s390.c

@@ -38,7 +38,6 @@ static int s390_sha1_init(struct shash_desc *desc)
 	sctx->state[4] = SHA1_H4;
 	sctx->count = 0;
 	sctx->func = CPACF_KIMD_SHA_1;
-	sctx->first_message_part = 0;
 
 	return 0;
 }
@@ -61,7 +60,6 @@ static int s390_sha1_import(struct shash_desc *desc, const void *in)
 	sctx->count = ictx->count;
 	memcpy(sctx->state, ictx->state, sizeof(ictx->state));
 	sctx->func = CPACF_KIMD_SHA_1;
-	sctx->first_message_part = 0;
 	return 0;
 }
 

arch/s390/crypto/sha512_s390.c

@@ -32,7 +32,6 @@ static int sha512_init(struct shash_desc *desc)
 	ctx->count = 0;
 	ctx->sha512.count_hi = 0;
 	ctx->func = CPACF_KIMD_SHA_512;
-	ctx->first_message_part = 0;
 
 	return 0;
 }
@@ -58,7 +57,6 @@ static int sha512_import(struct shash_desc *desc, const void *in)
 
 	memcpy(sctx->state, ictx->state, sizeof(ictx->state));
 	sctx->func = CPACF_KIMD_SHA_512;
-	sctx->first_message_part = 0;
 	return 0;
 }
 
@@ -99,7 +97,6 @@ static int sha384_init(struct shash_desc *desc)
 	ctx->count = 0;
 	ctx->sha512.count_hi = 0;
 	ctx->func = CPACF_KIMD_SHA_512;
-	ctx->first_message_part = 0;
 
 	return 0;
 }

arch/s390/include/asm/ptrace.h

@@ -265,7 +265,7 @@ static __always_inline unsigned long regs_get_kernel_stack_nth(struct pt_regs *r
 	addr = kernel_stack_pointer(regs) + n * sizeof(long);
 	if (!regs_within_kernel_stack(regs, addr))
 		return 0;
-	return READ_ONCE_NOCHECK(*(unsigned long *)addr);
+	return READ_ONCE_NOCHECK(addr);
 }
 
 /**

arch/s390/pci/pci_event.c

@@ -54,7 +54,6 @@ static inline bool ers_result_indicates_abort(pci_ers_result_t ers_res)
 	case PCI_ERS_RESULT_CAN_RECOVER:
 	case PCI_ERS_RESULT_RECOVERED:
 	case PCI_ERS_RESULT_NEED_RESET:
-	case PCI_ERS_RESULT_NONE:
 		return false;
 	default:
 		return true;
@@ -79,6 +78,10 @@ static bool is_driver_supported(struct pci_driver *driver)
 		return false;
 	if (!driver->err_handler->error_detected)
 		return false;
+	if (!driver->err_handler->slot_reset)
+		return false;
+	if (!driver->err_handler->resume)
+		return false;
 	return true;
 }
 
@@ -103,10 +106,6 @@ static pci_ers_result_t zpci_event_do_error_state_clear(struct pci_dev *pdev,
 	struct zpci_dev *zdev = to_zpci(pdev);
 	int rc;
 
-	/* The underlying device may have been disabled by the event */
-	if (!zdev_enabled(zdev))
-		return PCI_ERS_RESULT_NEED_RESET;
-
 	pr_info("%s: Unblocking device access for examination\n", pci_name(pdev));
 	rc = zpci_reset_load_store_blocked(zdev);
 	if (rc) {
@@ -115,11 +114,8 @@ static pci_ers_result_t zpci_event_do_error_state_clear(struct pci_dev *pdev,
 		return PCI_ERS_RESULT_NEED_RESET;
 	}
 
-	if (driver->err_handler->mmio_enabled)
+	if (driver->err_handler->mmio_enabled) {
 		ers_res = driver->err_handler->mmio_enabled(pdev);
-	else
-		ers_res = PCI_ERS_RESULT_NONE;
-
 		if (ers_result_indicates_abort(ers_res)) {
 			pr_info("%s: Automatic recovery failed after MMIO re-enable\n",
 				pci_name(pdev));
@@ -128,6 +124,7 @@ static pci_ers_result_t zpci_event_do_error_state_clear(struct pci_dev *pdev,
 			pr_debug("%s: Driver needs reset to recover\n", pci_name(pdev));
 			return ers_res;
 		}
+	}
 
 	pr_debug("%s: Unblocking DMA\n", pci_name(pdev));
 	rc = zpci_clear_error_state(zdev);
@@ -153,12 +150,7 @@ static pci_ers_result_t zpci_event_do_reset(struct pci_dev *pdev,
 		return ers_res;
 	}
 	pdev->error_state = pci_channel_io_normal;
-
-	if (driver->err_handler->slot_reset)
 	ers_res = driver->err_handler->slot_reset(pdev);
-	else
-		ers_res = PCI_ERS_RESULT_NONE;
-
 	if (ers_result_indicates_abort(ers_res)) {
 		pr_info("%s: Automatic recovery failed after slot reset\n", pci_name(pdev));
 		return ers_res;
@@ -222,7 +214,7 @@ static pci_ers_result_t zpci_event_attempt_error_recovery(struct pci_dev *pdev)
 		goto out_unlock;
 	}
 
-	if (ers_res != PCI_ERS_RESULT_NEED_RESET) {
+	if (ers_res == PCI_ERS_RESULT_CAN_RECOVER) {
 		ers_res = zpci_event_do_error_state_clear(pdev, driver);
 		if (ers_result_indicates_abort(ers_res)) {
 			status_str = "failed (abort on MMIO enable)";
@@ -233,16 +225,6 @@ static pci_ers_result_t zpci_event_attempt_error_recovery(struct pci_dev *pdev)
 	if (ers_res == PCI_ERS_RESULT_NEED_RESET)
 		ers_res = zpci_event_do_reset(pdev, driver);
 
-	/*
-	 * ers_res can be PCI_ERS_RESULT_NONE either because the driver
-	 * decided to return it, indicating that it abstains from voting
-	 * on how to recover, or because it didn't implement the callback.
-	 * Both cases assume, that if there is nothing else causing a
-	 * disconnect, we recovered successfully.
-	 */
-	if (ers_res == PCI_ERS_RESULT_NONE)
-		ers_res = PCI_ERS_RESULT_RECOVERED;
-
 	if (ers_res != PCI_ERS_RESULT_RECOVERED) {
 		pr_err("%s: Automatic recovery failed; operator intervention is required\n",
 		       pci_name(pdev));
@@ -291,8 +273,6 @@ static void __zpci_event_error(struct zpci_ccdf_err *ccdf)
 	struct zpci_dev *zdev = get_zdev_by_fid(ccdf->fid);
 	struct pci_dev *pdev = NULL;
 	pci_ers_result_t ers_res;
-	u32 fh = 0;
-	int rc;
 
 	zpci_dbg(3, "err fid:%x, fh:%x, pec:%x\n",
 		 ccdf->fid, ccdf->fh, ccdf->pec);
@@ -301,15 +281,6 @@ static void __zpci_event_error(struct zpci_ccdf_err *ccdf)
 
 	if (zdev) {
 		mutex_lock(&zdev->state_lock);
-		rc = clp_refresh_fh(zdev->fid, &fh);
-		if (rc)
-			goto no_pdev;
-		if (!fh || ccdf->fh != fh) {
-			/* Ignore events with stale handles */
-			zpci_dbg(3, "err fid:%x, fh:%x (stale %x)\n",
-				 ccdf->fid, fh, ccdf->fh);
-			goto no_pdev;
-		}
 		zpci_update_fh(zdev, ccdf->fh);
 		if (zdev->zbus->bus)
 			pdev = pci_get_slot(zdev->zbus->bus, zdev->devfn);

arch/um/drivers/ubd_user.c

@@ -41,7 +41,7 @@ int start_io_thread(struct os_helper_thread **td_out, int *fd_out)
 	*fd_out = fds[1];
 
 	err = os_set_fd_block(*fd_out, 0);
-	err |= os_set_fd_block(kernel_fd, 0);
+	err = os_set_fd_block(kernel_fd, 0);
 	if (err) {
 		printk("start_io_thread - failed to set nonblocking I/O.\n");
 		goto out_close;

arch/um/drivers/vector_kern.c

@@ -1625,19 +1625,35 @@ static void vector_eth_configure(
 
 	device->dev = dev;
 
-	INIT_LIST_HEAD(&vp->list);
+	*vp = ((struct vector_private)
-	vp->dev		= dev;
+		{
-	vp->unit	= n;
+		.list			= LIST_HEAD_INIT(vp->list),
-	vp->options	= get_transport_options(def);
+		.dev			= dev,
-	vp->parsed	= def;
+		.unit			= n,
-	vp->max_packet	= get_mtu(def) + ETH_HEADER_OTHER;
+		.options		= get_transport_options(def),
-	/*
+		.rx_irq			= 0,
-	 * TODO - we need to calculate headroom so that ip header
+		.tx_irq			= 0,
+		.parsed			= def,
+		.max_packet		= get_mtu(def) + ETH_HEADER_OTHER,
+		/* TODO - we need to calculate headroom so that ip header
 		 * is 16 byte aligned all the time
 		 */
-	vp->headroom	= get_headroom(def);
+		.headroom		= get_headroom(def),
-	vp->coalesce	= 2;
+		.form_header		= NULL,
-	vp->req_size	= get_req_size(def);
+		.verify_header		= NULL,
+		.header_rxbuffer	= NULL,
+		.header_txbuffer	= NULL,
+		.header_size		= 0,
+		.rx_header_size		= 0,
+		.rexmit_scheduled	= false,
+		.opened			= false,
+		.transport_data		= NULL,
+		.in_write_poll		= false,
+		.coalesce		= 2,
+		.req_size		= get_req_size(def),
+		.in_error		= false,
+		.bpf			= NULL
+	});
 
 	dev->features = dev->hw_features = (NETIF_F_SG | NETIF_F_FRAGLIST);
 	INIT_WORK(&vp->reset_tx, vector_reset_tx);

arch/um/drivers/vfio_kern.c

@@ -570,17 +570,6 @@ static void uml_vfio_release_device(struct uml_vfio_device *dev)
 	kfree(dev);
 }
 
-static struct uml_vfio_device *uml_vfio_find_device(const char *device)
-{
-	struct uml_vfio_device *dev;
-
-	list_for_each_entry(dev, &uml_vfio_devices, list) {
-		if (!strcmp(dev->name, device))
-			return dev;
-	}
-	return NULL;
-}
-
 static int uml_vfio_cmdline_set(const char *device, const struct kernel_param *kp)
 {
 	struct uml_vfio_device *dev;
@@ -593,9 +582,6 @@ static int uml_vfio_cmdline_set(const char *device, const struct kernel_param *k
 		uml_vfio_container.fd = fd;
 	}
 
-	if (uml_vfio_find_device(device))
-		return -EEXIST;
-
 	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
 	if (!dev)
 		return -ENOMEM;

arch/x86/Kconfig

@@ -147,7 +147,7 @@ config X86
 	select ARCH_WANTS_DYNAMIC_TASK_STRUCT
 	select ARCH_WANTS_NO_INSTR
 	select ARCH_WANT_GENERAL_HUGETLB
-	select ARCH_WANT_HUGE_PMD_SHARE		if X86_64
+	select ARCH_WANT_HUGE_PMD_SHARE
 	select ARCH_WANT_LD_ORPHAN_WARN
 	select ARCH_WANT_OPTIMIZE_DAX_VMEMMAP	if X86_64
 	select ARCH_WANT_OPTIMIZE_HUGETLB_VMEMMAP	if X86_64
@@ -2695,15 +2695,6 @@ config MITIGATION_ITS
 	  disabled, mitigation cannot be enabled via cmdline.
 	  See <file:Documentation/admin-guide/hw-vuln/indirect-target-selection.rst>
 
-config MITIGATION_TSA
-	bool "Mitigate Transient Scheduler Attacks"
-	depends on CPU_SUP_AMD
-	default y
-	help
-	  Enable mitigation for Transient Scheduler Attacks. TSA is a hardware
-	  security vulnerability on AMD CPUs which can lead to forwarding of
-	  invalid info to subsequent instructions and thus can affect their
-	  timing and thereby cause a leakage.
 endif
 
 config ARCH_HAS_ADD_PAGES

arch/x86/coco/sev/core.c

@@ -88,7 +88,7 @@ static const char * const sev_status_feat_names[] = {
  */
 static u64 snp_tsc_scale __ro_after_init;
 static u64 snp_tsc_offset __ro_after_init;
-static unsigned long snp_tsc_freq_khz __ro_after_init;
+static u64 snp_tsc_freq_khz __ro_after_init;
 
 DEFINE_PER_CPU(struct sev_es_runtime_data*, runtime_data);
 DEFINE_PER_CPU(struct sev_es_save_area *, sev_vmsa);
@@ -2167,31 +2167,15 @@ static unsigned long securetsc_get_tsc_khz(void)
 
 void __init snp_secure_tsc_init(void)
 {
-	struct snp_secrets_page *secrets;
+	unsigned long long tsc_freq_mhz;
-	unsigned long tsc_freq_mhz;
-	void *mem;
 
 	if (!cc_platform_has(CC_ATTR_GUEST_SNP_SECURE_TSC))
 		return;
 
-	mem = early_memremap_encrypted(sev_secrets_pa, PAGE_SIZE);
-	if (!mem) {
-		pr_err("Unable to get TSC_FACTOR: failed to map the SNP secrets page.\n");
-		sev_es_terminate(SEV_TERM_SET_LINUX, GHCB_TERM_SECURE_TSC);
-	}
-
-	secrets = (__force struct snp_secrets_page *)mem;
-
 	setup_force_cpu_cap(X86_FEATURE_TSC_KNOWN_FREQ);
 	rdmsrq(MSR_AMD64_GUEST_TSC_FREQ, tsc_freq_mhz);
-
+	snp_tsc_freq_khz = (unsigned long)(tsc_freq_mhz * 1000);
-	/* Extract the GUEST TSC MHZ from BIT[17:0], rest is reserved space */
-	tsc_freq_mhz &= GENMASK_ULL(17, 0);
-
-	snp_tsc_freq_khz = SNP_SCALE_TSC_FREQ(tsc_freq_mhz * 1000, secrets->tsc_factor);
 
 	x86_platform.calibrate_cpu = securetsc_get_tsc_khz;
 	x86_platform.calibrate_tsc = securetsc_get_tsc_khz;
-
-	early_memunmap(mem, PAGE_SIZE);
 }

arch/x86/entry/entry.S

@@ -36,20 +36,20 @@ EXPORT_SYMBOL_GPL(write_ibpb);
 
 /*
  * Define the VERW operand that is disguised as entry code so that
- * it can be referenced with KPTI enabled. This ensures VERW can be
+ * it can be referenced with KPTI enabled. This ensure VERW can be
  * used late in exit-to-user path after page tables are switched.
  */
 .pushsection .entry.text, "ax"
 
 .align L1_CACHE_BYTES, 0xcc
-SYM_CODE_START_NOALIGN(x86_verw_sel)
+SYM_CODE_START_NOALIGN(mds_verw_sel)
 	UNWIND_HINT_UNDEFINED
 	ANNOTATE_NOENDBR
 	.word __KERNEL_DS
 .align L1_CACHE_BYTES, 0xcc
-SYM_CODE_END(x86_verw_sel);
+SYM_CODE_END(mds_verw_sel);
 /* For KVM */
-EXPORT_SYMBOL_GPL(x86_verw_sel);
+EXPORT_SYMBOL_GPL(mds_verw_sel);
 
 .popsection
 

arch/x86/include/asm/cpufeatures.h

@@ -456,7 +456,6 @@
 #define X86_FEATURE_NO_NESTED_DATA_BP	(20*32+ 0) /* No Nested Data Breakpoints */
 #define X86_FEATURE_WRMSR_XX_BASE_NS	(20*32+ 1) /* WRMSR to {FS,GS,KERNEL_GS}_BASE is non-serializing */
 #define X86_FEATURE_LFENCE_RDTSC	(20*32+ 2) /* LFENCE always serializing / synchronizes RDTSC */
-#define X86_FEATURE_VERW_CLEAR		(20*32+ 5) /* The memory form of VERW mitigates TSA */
 #define X86_FEATURE_NULL_SEL_CLR_BASE	(20*32+ 6) /* Null Selector Clears Base */
 #define X86_FEATURE_AUTOIBRS		(20*32+ 8) /* Automatic IBRS */
 #define X86_FEATURE_NO_SMM_CTL_MSR	(20*32+ 9) /* SMM_CTL MSR is not present */
@@ -488,9 +487,6 @@
 #define X86_FEATURE_PREFER_YMM		(21*32+ 8) /* Avoid ZMM registers due to downclocking */
 #define X86_FEATURE_APX			(21*32+ 9) /* Advanced Performance Extensions */
 #define X86_FEATURE_INDIRECT_THUNK_ITS	(21*32+10) /* Use thunk for indirect branches in lower half of cacheline */
-#define X86_FEATURE_TSA_SQ_NO		(21*32+11) /* AMD CPU not vulnerable to TSA-SQ */
-#define X86_FEATURE_TSA_L1_NO		(21*32+12) /* AMD CPU not vulnerable to TSA-L1 */
-#define X86_FEATURE_CLEAR_CPU_BUF_VM	(21*32+13) /* Clear CPU buffers using VERW before VMRUN */
 
 /*
  * BUG word(s)
@@ -546,5 +542,5 @@
 #define X86_BUG_OLD_MICROCODE		X86_BUG( 1*32+ 6) /* "old_microcode" CPU has old microcode, it is surely vulnerable to something */
 #define X86_BUG_ITS			X86_BUG( 1*32+ 7) /* "its" CPU is affected by Indirect Target Selection */
 #define X86_BUG_ITS_NATIVE_ONLY		X86_BUG( 1*32+ 8) /* "its_native_only" CPU is affected by ITS, VMX is not affected */
-#define X86_BUG_TSA			X86_BUG( 1*32+ 9) /* "tsa" CPU is affected by Transient Scheduler Attacks */
+
 #endif /* _ASM_X86_CPUFEATURES_H */

arch/x86/include/asm/debugreg.h

@@ -9,14 +9,6 @@
 #include <asm/cpufeature.h>
 #include <asm/msr.h>
 
-/*
- * Define bits that are always set to 1 in DR7, only bit 10 is
- * architecturally reserved to '1'.
- *
- * This is also the init/reset value for DR7.
- */
-#define DR7_FIXED_1	0x00000400
-
 DECLARE_PER_CPU(unsigned long, cpu_dr7);
 
 #ifndef CONFIG_PARAVIRT_XXL
@@ -108,8 +100,8 @@ static __always_inline void native_set_debugreg(int regno, unsigned long value)
 
 static inline void hw_breakpoint_disable(void)
 {
-	/* Reset the control register for HW Breakpoint */
+	/* Zero the control register for HW Breakpoint */
-	set_debugreg(DR7_FIXED_1, 7);
+	set_debugreg(0UL, 7);
 
 	/* Zero-out the individual HW breakpoint address registers */
 	set_debugreg(0UL, 0);
@@ -133,12 +125,9 @@ static __always_inline unsigned long local_db_save(void)
 		return 0;
 
 	get_debugreg(dr7, 7);
-
+	dr7 &= ~0x400; /* architecturally set bit */
-	/* Architecturally set bit */
-	dr7 &= ~DR7_FIXED_1;
 	if (dr7)
-		set_debugreg(DR7_FIXED_1, 7);
+		set_debugreg(0, 7);
-
 	/*
 	 * Ensure the compiler doesn't lower the above statements into
 	 * the critical section; disabling breakpoints late would not

arch/x86/include/asm/irqflags.h

@@ -44,13 +44,13 @@ static __always_inline void native_irq_enable(void)
 
 static __always_inline void native_safe_halt(void)
 {
-	x86_idle_clear_cpu_buffers();
+	mds_idle_clear_cpu_buffers();
 	asm volatile("sti; hlt": : :"memory");
 }
 
 static __always_inline void native_halt(void)
 {
-	x86_idle_clear_cpu_buffers();
+	mds_idle_clear_cpu_buffers();
 	asm volatile("hlt": : :"memory");
 }
 

arch/x86/include/asm/kvm_host.h

@@ -31,7 +31,6 @@
 
 #include <asm/apic.h>
 #include <asm/pvclock-abi.h>
-#include <asm/debugreg.h>
 #include <asm/desc.h>
 #include <asm/mtrr.h>
 #include <asm/msr-index.h>
@@ -250,6 +249,7 @@ enum x86_intercept_stage;
 #define DR7_BP_EN_MASK	0x000000ff
 #define DR7_GE		(1 << 9)
 #define DR7_GD		(1 << 13)
+#define DR7_FIXED_1	0x00000400
 #define DR7_VOLATILE	0xffff2bff
 
 #define KVM_GUESTDBG_VALID_MASK \
@@ -700,13 +700,8 @@ struct kvm_vcpu_hv {
 
 	struct kvm_vcpu_hv_tlb_flush_fifo tlb_flush_fifo[HV_NR_TLB_FLUSH_FIFOS];
 
-	/*
+	/* Preallocated buffer for handling hypercalls passing sparse vCPU set */
-	 * Preallocated buffers for handling hypercalls that pass sparse vCPU
-	 * sets (for high vCPU counts, they're too large to comfortably fit on
-	 * the stack).
-	 */
 	u64 sparse_banks[HV_MAX_SPARSE_VCPU_BANKS];
-	DECLARE_BITMAP(vcpu_mask, KVM_MAX_VCPUS);
 
 	struct hv_vp_assist_page vp_assist_page;
 
@@ -769,7 +764,6 @@ enum kvm_only_cpuid_leafs {
 	CPUID_8000_0022_EAX,
 	CPUID_7_2_EDX,
 	CPUID_24_0_EBX,
-	CPUID_8000_0021_ECX,
 	NR_KVM_CPU_CAPS,
 
 	NKVMCAPINTS = NR_KVM_CPU_CAPS - NCAPINTS,