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Linus Torvalds 0df072ab65 Take care of a race between when the #VC exception is raised and when 
the guest kernel gets to emulate certain instructions in SEV-{ES,SNP}
 guests by:
 
 - disabling emulation of MMIO instructions when coming from user mode
 
 - checking the IO permission bitmap before emulating IO instructions and
   verifying the memory operands of INS/OUTS insns.
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Merge tag 'sev_fixes_for_v6.6' of //git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fixes from Borislav Petkov:
 "Take care of a race between when the #VC exception is raised and when
  the guest kernel gets to emulate certain instructions in SEV-{ES,SNP}
  guests by:

   - disabling emulation of MMIO instructions when coming from user mode

   - checking the IO permission bitmap before emulating IO instructions
     and verifying the memory operands of INS/OUTS insns"

* tag 'sev_fixes_for_v6.6' of //git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/sev: Check for user-space IOIO pointing to kernel space
  x86/sev: Check IOBM for IOIO exceptions from user-space
  x86/sev: Disable MMIO emulation from user mode
2023-10-19 18:12:08 -07:00
..
alpha Kbuild updates for v6.6 2023-09-05 11:01:47 -07:00
arc ARC updates for v6.6 2023-09-04 15:38:24 -07:00
arm ARM: SoC fixes for 6.6 2023-09-30 18:41:37 -07:00
arm64 ARM: 2023-10-16 18:34:17 -07:00
csky arch/csky 2nd patches for 6.6 2023-09-01 08:02:45 -07:00
hexagon Add x86 shadow stack support 2023-08-31 12:20:12 -07:00
ia64 cpu-hotplug: Provide prototypes for arch CPU registration 2023-10-11 14:27:37 +02:00
loongarch LoongArch: Disable WUC for pgprot_writecombine() like ioremap_wc() 2023-10-18 08:42:52 +08:00
m68k ata changes for 6.6 2023-09-05 12:37:28 -07:00
microblaze Microblaze patches for 6.6-rc1 2023-09-05 10:15:22 -07:00
mips KVM: MIPS: fix -Wunused-but-set-variable warning 2023-10-12 11:25:40 -04:00
nios2 Add x86 shadow stack support 2023-08-31 12:20:12 -07:00
openrisc OpenRISC updates for 6.6 2023-09-05 10:09:31 -07:00
parisc parisc architecture fixes for kernel v6.6-rc5: 2023-10-07 13:05:43 -07:00
powerpc powerpc fixes for 6.6 2023-10-15 08:48:53 -07:00
riscv RISC-V Fixes for 6.6-rc6 2023-10-13 09:17:48 -07:00
s390 ARM: 2023-10-16 18:34:17 -07:00
sh sh: mm: re-add lost __ref to ioremap_prot() to fix modpost warning 2023-09-19 13:21:32 -07:00
sparc mm: hugetlb: add huge page size param to set_huge_pte_at() 2023-09-29 17:20:47 -07:00
um This pull request contains the following changes for UML: 2023-09-04 11:32:21 -07:00
x86 Take care of a race between when the #VC exception is raised and when 2023-10-19 18:12:08 -07:00
xtensa xtensa: boot/lib: fix function prototypes 2023-09-20 05:03:30 -07:00
.gitignore
Kconfig Add x86 shadow stack support 2023-08-31 12:20:12 -07:00