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authorJim Mattson <[email protected]>2019-09-12 09:55:03 -0700
committerPaolo Bonzini <[email protected]>2019-09-24 16:04:44 +0200
commita06dcd625d6181747fac7f4c140b5a4c397a778c (patch)
treea61ba4e5969b77c876d29126699aaeae22ac15da
parent9a5c034c9abaef81ad9df0221638785a088942b5 (diff)
kvm: x86: Add "significant index" flag to a few CPUID leaves
According to the Intel SDM, volume 2, "CPUID," the index is significant (or partially significant) for CPUID leaves 0FH, 10H, 12H, 17H, 18H, and 1FH. Add the corresponding flag to these CPUID leaves in do_host_cpuid(). Signed-off-by: Jim Mattson <[email protected]> Reviewed-by: Peter Shier <[email protected]> Reviewed-by: Steve Rutherford <[email protected]> Fixes: a87f2d3a6eadab ("KVM: x86: Add Intel CPUID.1F cpuid emulation support") Reviewed-by: Krish Sadhukhan <[email protected]> Cc: [email protected] Signed-off-by: Paolo Bonzini <[email protected]>
-rw-r--r--arch/x86/kvm/cpuid.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index 4e5a835989d1..63316036f85a 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -304,7 +304,13 @@ static void do_host_cpuid(struct kvm_cpuid_entry2 *entry, u32 function,
case 7:
case 0xb:
case 0xd:
+ case 0xf:
+ case 0x10:
+ case 0x12:
case 0x14:
+ case 0x17:
+ case 0x18:
+ case 0x1f:
case 0x8000001d:
entry->flags |= KVM_CPUID_FLAG_SIGNIFCANT_INDEX;
break;