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f31f663fa9
mirror_ubuntu-kernels/arch/x86/kernel
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Linus Torvalds f31f663fa9 - Handle the case where the beginning virtual address of the address 
range whose SEV encryption status needs to change, is not page aligned
   so that callers which round up the number of pages to be decrypted,
   would mark a trailing page as decrypted and thus cause corruption
   during live migration.
 
 - Return an error from the #VC handler on AMD SEV-* guests when the debug
   registers swapping is enabled as a DR7 access should not happen then
   - that register is guest/host switched.
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Merge tag 'x86_sev_for_v6.6_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 SEV updates from Borislav Petkov:

 - Handle the case where the beginning virtual address of the address
   range whose SEV encryption status needs to change, is not page
   aligned so that callers which round up the number of pages to be
   decrypted, would mark a trailing page as decrypted and thus cause
   corruption during live migration.

 - Return an error from the #VC handler on AMD SEV-* guests when the
   debug registers swapping is enabled as a DR7 access should not happen
   then - that register is guest/host switched.

* tag 'x86_sev_for_v6.6_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/sev: Make enc_dec_hypercall() accept a size instead of npages
  x86/sev: Do not handle #VC for DR7 read/write
2023-08-28 15:28:54 -07:00
..
acpi ACPI: resource: Honor MADT INT_SRC_OVR settings for IRQ1 on AMD Zen 2023-08-09 21:18:46 +02:00
apic Add UV platform support for sub-NUMA clustering 2023-06-26 16:26:44 -07:00
cpu - Add a quirk for AMD Zen machines where Instruction Fetch unit poison 2023-08-28 15:23:07 -07:00
fpu x86/fpu: Set X86_FEATURE_OSXSAVE feature after enabling OSXSAVE in CR4 2023-08-24 11:01:45 +02:00
kprobes x86/retpoline,kprobes: Skip optprobe check for indirect jumps with retpolines and IBT 2023-08-14 11:46:51 +02:00
.gitignore
alternative.c x86/alternative: Make custom return thunk unconditional 2023-08-16 09:39:16 +02:00
amd_gart_64.c x86/mm: Remove P*D_PAGE_MASK and P*D_PAGE_SIZE macros 2022-12-15 10:37:27 -08:00
amd_nb.c x86/amd_nb: Add PCI IDs for AMD Family 1Ah-based models 2023-08-10 14:12:48 +02:00
aperture_64.c x86: Fix various duplicate-word comment typos 2022-08-15 19:17:52 +02:00
apm_32.c efi: x86: Wire up IBT annotation in memory attributes table 2023-02-09 19:30:54 +01:00
asm-offsets_32.c
asm-offsets_64.c x86: Fixup asm-offsets duplicate 2022-10-17 16:41:06 +02:00
asm-offsets.c x86/smpboot: Remove initial_stack on 64-bit 2023-03-21 13:35:53 +01:00
audit_64.c
bootflag.c
callthunks.c objtool changes for v6.5: 2023-06-27 15:05:41 -07:00
cfi.c x86: Add support for CONFIG_CFI_CLANG 2022-09-26 10:13:16 -07:00
check.c
cpuid.c driver core: class: remove module * from class_create() 2023-03-17 15:16:33 +01:00
crash_core_32.c
crash_core_64.c
crash_dump_32.c vmcore: convert copy_oldmem_page() to take an iov_iter 2022-04-29 14:37:59 -07:00
crash_dump_64.c use less confusing names for iov_iter direction initializers 2022-11-25 13:01:55 -05:00
crash.c x86/crash: Disable virt in core NMI crash handler to avoid double shootdown 2023-01-24 10:05:21 -08:00
devicetree.c x86/of: Add support for boot time interrupt delivery mode configuration 2022-12-02 14:57:14 +01:00
doublefault_32.c x86: Avoid missing-prototype warnings for doublefault code 2023-05-18 11:56:18 -07:00
dumpstack_32.c x86/percpu: Move irq_stack variables next to current_task 2022-10-17 16:41:05 +02:00
dumpstack_64.c x86/percpu: Move irq_stack variables next to current_task 2022-10-17 16:41:05 +02:00
dumpstack.c x86/show_trace_log_lvl: Ensure stack pointer is aligned, again 2023-05-16 06:31:04 -07:00
e820.c x86/setup: Move duplicate boot_cpu_data definition out of the ifdeffery 2023-01-11 12:45:16 +01:00
early_printk.c x86/earlyprintk: Clean up pciserial 2022-08-29 12:19:25 +02:00
early-quirks.c drm/i915/rpl-p: Add PCI IDs 2022-04-19 17:14:09 -07:00
ebda.c
eisa.c
espfix_64.c x86/espfix: Use get_random_long() rather than archrandom 2022-10-31 20:12:50 +01:00
ftrace_32.S x86/ftrace: Enable HAVE_FUNCTION_GRAPH_RETVAL 2023-06-20 18:38:38 -04:00
ftrace_64.S x86/ftrace: Enable HAVE_FUNCTION_GRAPH_RETVAL 2023-06-20 18:38:38 -04:00
ftrace.c x86/ftrace: Remove unsued extern declaration ftrace_regs_caller_ret() 2023-07-10 21:38:13 -04:00
head32.c x86: Add dummy prototype for mk_early_pgtbl_32() 2023-05-18 11:56:16 -07:00
head64.c x86/head: Mark *_start_kernel() __noreturn 2023-04-14 17:31:24 +02:00
head_32.S x86/smpboot: Restrict soft_restart_cpu() to SEV 2023-05-15 13:44:50 +02:00
head_64.S x86/head_64: Store boot_params pointer in callee save register 2023-08-07 19:20:32 +02:00
hpet.c clocksource: Verify HPET and PMTMR when TSC unverified 2023-02-02 14:23:02 -08:00
hw_breakpoint.c x86/amd: Cache debug register values in percpu variables 2023-01-31 20:09:26 +01:00
i8237.c
i8253.c
i8259.c x86/i8259: Mark legacy PIC interrupts with IRQ_LEVEL 2023-01-16 17:24:56 +01:00
idt.c x86/traps: Add #VE support for TDX guest 2022-04-07 08:27:51 -07:00
io_delay.c
ioport.c
irq_32.c x86/percpu: Move irq_stack variables next to current_task 2022-10-17 16:41:05 +02:00
irq_64.c x86/percpu: Move irq_stack variables next to current_task 2022-10-17 16:41:05 +02:00
irq_work.c
irq.c x86/irq: Add hardcoded hypervisor interrupts to /proc/stat 2023-06-08 08:28:08 -07:00
irqflags.S x86: Prepare asm files for straight-line-speculation 2021-12-08 12:25:37 +01:00
irqinit.c x86/i8259: Mark legacy PIC interrupts with IRQ_LEVEL 2023-01-16 17:24:56 +01:00
itmt.c x86/sched/itmt: Give all SMT siblings of a core the same priority 2023-05-08 10:58:38 +02:00
jailhouse.c
jump_label.c jump_label: make initial NOP patching the special case 2022-06-24 09:48:55 +02:00
kdebugfs.c x86/boot: Fix memremap of setup_indirect structures 2022-03-09 12:49:44 +01:00
kexec-bzimage64.c docs: move x86 documentation into Documentation/arch/ 2023-03-30 12:58:51 -06:00
kgdb.c
ksysfs.c x86/boot: Fix memremap of setup_indirect structures 2022-03-09 12:49:44 +01:00
kvm.c x86/sev: Make enc_dec_hypercall() accept a size instead of npages 2023-08-25 13:33:48 +02:00
kvmclock.c x86/tsc: Provide sched_clock_noinstr() 2023-06-05 21:11:08 +02:00
ldt.c x86: allow get_locked_pte() to fail 2023-06-19 16:19:10 -07:00
machine_kexec_32.c
machine_kexec_64.c x86/kexec: remove unnecessary arch_kexec_kernel_image_load() 2023-04-08 13:45:38 -07:00
Makefile rethook, fprobe: do not trace rethook related functions 2023-05-18 07:08:01 +09:00
mmconf-fam10h_64.c
module.c x86/alternative: Rename apply_ibt_endbr() 2023-07-10 09:52:23 +02:00
mpparse.c
msr.c driver core: class: remove module * from class_create() 2023-03-17 15:16:33 +01:00
nmi_selftest.c
nmi.c locking/atomic: treewide: use raw_atomic*_<op>() 2023-06-05 09:57:20 +02:00
paravirt-spinlocks.c
paravirt.c x86/paravirt: Fix tlb_remove_table function callback prototype warning 2023-08-03 15:41:56 -07:00
pci-dma.c docs: move x86 documentation into Documentation/arch/ 2023-03-30 12:58:51 -06:00
pcspeaker.c
perf_regs.c
platform-quirks.c x86/quirks: Include linux/pnp.h for arch_pnpbios_disabled() 2023-05-18 11:56:18 -07:00
pmem.c x86/pmem: Fix platform-device leak in error path 2022-06-20 18:01:16 +02:00
probe_roms.c x86/kernel: Validate ROM memory before accessing when SEV-SNP is active 2022-04-06 13:23:09 +02:00
process_32.c x86/resctl: fix scheduler confusion with 'current' 2023-03-08 11:48:11 -08:00
process_64.c IOMMU Updates for Linux 6.4 2023-04-30 13:00:38 -07:00
process.c x86: Rewrite ret_from_fork() in C 2023-07-10 09:52:25 +02:00
process.h x86: Snapshot thread flags 2021-12-01 00:06:43 +01:00
ptrace.c x86: Improve formatting of user_regset arrays 2022-11-01 15:36:52 -07:00
pvclock.c locking/atomic: treewide: use raw_atomic*_<op>() 2023-06-05 09:57:20 +02:00
quirks.c
reboot_fixups_32.c
reboot.c cpu: Mark nmi_panic_self_stop() __noreturn 2023-04-14 17:31:26 +02:00
relocate_kernel_32.S x86/kexec: Disable RET on kexec 2022-07-09 13:12:32 +02:00
relocate_kernel_64.S x86,objtool: Split UNWIND_HINT_EMPTY in two 2023-03-23 23:18:58 +01:00
resource.c x86/PCI: Tidy E820 removal messages 2022-12-10 10:33:11 -06:00
rethook.c x86,rethook: Fix arch_rethook_trampoline() to generate a complete pt_regs 2022-03-28 19:38:51 -07:00
rtc.c x86/rtc: Simplify PNP ids check 2023-01-06 04:22:34 +01:00
setup_percpu.c - Add the call depth tracking mitigation for Retbleed which has 2022-12-14 15:03:00 -08:00
setup.c xen: branch for v6.5-rc1 2023-06-27 16:03:20 -07:00
sev_verify_cbit.S x86: Prepare asm files for straight-line-speculation 2021-12-08 12:25:37 +01:00
sev-shared.c x86/sev: Add SNP-specific unaccepted memory support 2023-06-06 18:31:37 +02:00
sev.c x86/sev: Do not handle #VC for DR7 read/write 2023-08-16 10:13:42 +02:00
signal_32.c - Cache the AMD debug registers in per-CPU variables to avoid MSR writes 2023-02-21 14:51:40 -08:00
signal_64.c x86/signal/compat: Move sigaction_compat_abi() to signal_64.c 2023-01-06 04:16:02 +01:00
signal.c x86/init: Initialize signal frame size late 2023-06-16 10:16:00 +02:00
smp.c A set of fixes for kexec(), reboot and shutdown issues 2023-06-26 14:45:53 -07:00
smpboot.c cpu/SMT: Remove topology_smt_supported() 2023-07-28 09:53:37 +02:00
stacktrace.c x86: remove __range_not_ok() 2022-02-25 09:36:05 +01:00
static_call.c x86/static_call: Fix __static_call_fixup() 2023-08-17 13:24:09 +02:00
step.c ptrace: Reimplement PTRACE_KILL by always sending SIGKILL 2022-05-11 14:34:28 -05:00
sys_ia32.c
sys_x86_64.c x86/mm: Cleanup the control_va_addr_alignment() __setup handler 2022-05-04 18:20:42 +02:00
tboot.c mm: remove rb tree. 2022-09-26 19:46:16 -07:00
time.c
tls.c x86/gsseg: Move load_gs_index() to its own new header file 2023-01-12 13:06:36 +01:00
tls.h
topology.c x86/topology: Remove CPU0 hotplug option 2023-05-15 13:44:49 +02:00
trace_clock.c
trace.c
tracepoint.c x86/traceponit: Fix comment about irq vector tracepoints 2022-05-26 22:03:52 -04:00
traps.c x86/CPU/AMD: Fix the DIV(0) initial fix attempt 2023-08-14 11:02:50 +02:00
tsc_msr.c
tsc_sync.c x86/smpboot: Make TSC synchronization function call based 2023-05-15 13:44:53 +02:00
tsc.c x86/tsc: Extend watchdog check exemption to 4-Sockets platform 2023-07-14 15:17:09 -07:00
umip.c
unwind_frame.c x86: kmsan: don't instrument stack walking functions 2022-10-03 14:03:25 -07:00
unwind_guess.c
unwind_orc.c objtool changes for v6.5: 2023-06-27 15:05:41 -07:00
uprobes.c uprobes/x86: Allow to probe a NOP instruction with 0x66 prefix 2022-12-05 11:55:18 +01:00
verify_cpu.S x86: Prepare asm files for straight-line-speculation 2021-12-08 12:25:37 +01:00
vm86_32.c x86/32: Remove lazy GS macros 2022-04-14 14:09:43 +02:00
vmlinux.lds.S x86/cpu: Rename srso_(.*)_alias to srso_alias_\1 2023-08-16 21:58:53 +02:00
vsmp_64.c
x86_init.c - Fix a race window where load_unaligned_zeropad() could cause 2023-06-26 16:32:47 -07:00