AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/arch
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Vitaly Kuznetsov c7ebe45e40 KVM: x86: Supplement __cr4_reserved_bits() with X86_FEATURE_PCID check 
[ Upstream commit 4683d758f48e6ae87d3d3493ffa00aceb955ee16 ]

Commit 7a873e455567 ("KVM: selftests: Verify supported CR4 bits can be set
before KVM_SET_CPUID2") reveals that KVM allows to set X86_CR4_PCIDE even
when PCID support is missing:

==== Test Assertion Failure ====
  x86_64/set_sregs_test.c:41: rc
  pid=6956 tid=6956 - Invalid argument
     1	0x000000000040177d: test_cr4_feature_bit at set_sregs_test.c:41
     2	0x00000000004014fc: main at set_sregs_test.c:119
     3	0x00007f2d9346d041: ?? ??:0
     4	0x000000000040164d: _start at ??:?
  KVM allowed unsupported CR4 bit (0x20000)

Add X86_FEATURE_PCID feature check to __cr4_reserved_bits() to make
kvm_is_valid_cr4() fail.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Message-Id: <20210201142843.108190-1-vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-03-11 14:17:26 +01:00
..
alpha local64.h: make <asm/local64.h> mandatory 2021-01-12 20:18:16 +01:00
arc arch/arc: add copy_user_page() to <asm/page.h> to fix build error on ARC 2021-01-19 18:27:26 +01:00
arm Xen/gnttab: handle p2m update errors on a per-slot basis 2021-03-07 12:34:15 +01:00
arm64 arm64: Make CPU_BIG_ENDIAN depend on ld.bfd or ld.lld 13.0.0+ 2021-03-11 14:17:22 +01:00
c6x arch-cleanup-2020-10-22 2020-10-23 10:06:38 -07:00
csky csky: Fix a size determination in gpr_get() 2021-03-04 11:38:21 +01:00
h8300 h8300: fix PREEMPTION build, TI_PRE_COUNT undefined 2021-02-17 11:02:28 +01:00
hexagon local64.h: make <asm/local64.h> mandatory 2021-01-12 20:18:16 +01:00
ia64 local64.h: make <asm/local64.h> mandatory 2021-01-12 20:18:16 +01:00
m68k local64.h: make <asm/local64.h> mandatory 2021-01-12 20:18:16 +01:00
microblaze local64.h: make <asm/local64.h> mandatory 2021-01-12 20:18:16 +01:00
mips Revert "MIPS: Octeon: Remove special handling of CONFIG_MIPS_ELF_APPENDED_DTB=y" 2021-03-04 11:38:26 +01:00
nds32 local64.h: make <asm/local64.h> mandatory 2021-01-12 20:18:16 +01:00
nios2 nios2: fixed broken sys_clone syscall 2021-03-04 11:38:16 +01:00
openrisc sched/idle: Fix arch_cpu_idle() vs tracing 2020-11-24 16:47:35 +01:00
parisc parisc: Enable -mlong-calls gcc option with CONFIG_COMPILE_TEST 2021-03-11 14:17:21 +01:00
powerpc powerpc/sstep: Fix incorrect return from analyze_instr() 2021-03-07 12:34:16 +01:00
riscv riscv: Get rid of MAX_EARLY_MAPPING_SIZE 2021-03-07 12:34:05 +01:00
s390 s390/vtime: fix inline assembly clobber list 2021-03-04 11:38:42 +01:00
sh sh: Remove unused HAVE_COPY_THREAD_TLS macro 2021-01-27 11:55:20 +01:00
sparc sparc32: fix a user-triggerable oops in clear_user() 2021-03-04 11:38:43 +01:00
um um: defer killing userspace on page table update failures 2021-03-04 11:38:42 +01:00
x86 KVM: x86: Supplement __cr4_reserved_bits() with X86_FEATURE_PCID check 2021-03-11 14:17:26 +01:00
xtensa local64.h: make <asm/local64.h> mandatory 2021-01-12 20:18:16 +01:00
.gitignore
Kconfig fanotify: Fix sys_fanotify_mark() on native x86-32 2021-01-17 14:16:59 +01:00