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staging-10.1
qemu/system
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Xiaoyao Li 6130ab24d0 i386/cpu: Enable SMM cpu address space under KVM 
Kirill Martynov reported assertation in cpu_asidx_from_attrs() being hit
when x86_cpu_dump_state() is called to dump the CPU state[*]. It happens
when the CPU is in SMM and KVM emulation failure due to misbehaving
guest.

The root cause is that QEMU i386 never enables the SMM address space for
cpu since KVM SMM support has been added.

Enable the SMM cpu address space under KVM when the SMM is enabled for
the x86machine.

[*] https://lore.kernel.org/qemu-devel/20250523154431.506993-1-stdcalllevi@yandex-team.ru/

Reported-by: Kirill Martynov <stdcalllevi@yandex-team.ru>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Tested-by: Kirill Martynov <stdcalllevi@yandex-team.ru>
Signed-off-by: Xiaoyao Li <xiaoyao.li@intel.com>
Link: https://lore.kernel.org/r/20250730095253.1833411-2-xiaoyao.li@intel.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
(cherry picked from commit 0516f4b702)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2025-09-18 19:24:59 +03:00
..
arch_init.c system: Replace arch_type global by qemu_arch_available() helper 2025-03-11 20:03:26 +01:00
async-teardown.c qemu/osdep: Add excluded fd parameter to qemu_close_all_open_fd() 2024-08-05 08:21:59 +10:00
balloon.c include: Rename sysemu/ -> system/ 2024-12-20 17:44:56 +01:00
bootdevice.c include: Rename sysemu/ -> system/ 2024-12-20 17:44:56 +01:00
cpu-timers.c include/exec: Split out icount.h 2025-04-23 14:08:44 -07:00
cpus.c accel: Rename 'system/accel-ops.h' -> 'accel/accel-cpu-ops.h' 2025-07-15 19:34:33 +02:00
datadir.c pc-bios: Move device tree files in their own subdir 2025-04-25 17:09:58 +02:00
device_tree-stub.c hw/core/machine.c: Make -machine dumpdtb=file.dtb with no DTB an error 2025-02-25 15:32:57 +00:00
device_tree.c hw/core/machine.c: Make -machine dumpdtb=file.dtb with no DTB an error 2025-02-25 15:32:57 +00:00
dirtylimit.c Miscellaneous patches for 2025-04-24 2025-04-24 13:44:57 -04:00
dma-helpers.c include/exec: Split out icount.h 2025-04-23 14:08:44 -07:00
globals-target.c system: Extract target-specific globals to their own compilation unit 2025-03-11 20:03:26 +01:00
globals.c accel/tcg: Restrict 'icount_align_option' global to TCG 2025-03-06 15:46:17 +01:00
ioport.c include/system: Move exec/ioport.h to system/ioport.h 2025-04-23 14:08:21 -07:00
main.c system/main: comment lock rationale 2025-05-28 08:07:59 +01:00
memory_ldst.c.inc memory: pass MemTxAttrs to memory_access_is_direct() 2025-02-12 11:33:05 -05:00
memory_mapping.c include/system: Move exec/address-spaces.h to system/address-spaces.h 2025-04-23 14:08:21 -07:00
memory-internal.h system/memory: Remove DEVICE_HOST_ENDIAN definition 2025-04-25 17:09:58 +02:00
memory.c Accelerators patches 2025-07-16 07:13:40 -04:00
meson.build ram-block-attributes: Introduce RamBlockAttributes to manage RAMBlock with guest_memfd 2025-06-23 16:03:59 -04:00
physmem.c i386/cpu: Enable SMM cpu address space under KVM 2025-09-18 19:24:59 +03:00
qdev-monitor.c system/qdev: Remove pointless NULL check in qdev_device_add_from_qdict 2025-07-10 16:18:43 +01:00
qemu-seccomp.c include: Rename sysemu/ -> system/ 2024-12-20 17:44:56 +01:00
qtest.c qemu: Convert target_words_bigendian() to TargetInfo API 2025-07-15 02:56:39 -04:00
ram-block-attributes.c ram-block-attributes: Introduce RamBlockAttributes to manage RAMBlock with guest_memfd 2025-06-23 16:03:59 -04:00
rtc.c include: Rename sysemu/ -> system/ 2024-12-20 17:44:56 +01:00
runstate-action.c include: Rename sysemu/ -> system/ 2024-12-20 17:44:56 +01:00
runstate-hmp-cmds.c qapi: Move include/qapi/qmp/ to include/qobject/ 2025-02-10 15:33:16 +01:00
runstate.c Accelerators patches 2025-07-16 07:13:40 -04:00
tpm-hmp-cmds.c
tpm.c tpm: "qemu -tpmdev help" should return success 2025-07-15 10:22:33 +04:00
trace-events ram-block-attributes: Introduce RamBlockAttributes to manage RAMBlock with guest_memfd 2025-06-23 16:03:59 -04:00
trace.h
vl.c hw/nvram/fw_cfg: Remove legacy FW_CFG_ORDER_OVERRIDE 2025-05-30 09:52:08 +02:00
watchpoint.c include/exec: Split out watchpoint.h 2025-04-23 14:08:36 -07:00