This is a note to let you know that I've just added the patch titled
KVM: x86: Fix CPUID function for word 6 (80000001_ECX)
to the 4.14-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
kvm-x86-fix-cpuid-function-for-word-6-80000001_ecx.patch
and it can be found in the queue-4.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 50a671d4d15b859f447fa527191073019b6ce9cb Mon Sep 17 00:00:00 2001
From: Janakarajan Natarajan <Janakarajan.Natarajan@xxxxxxx>
Date: Mon, 6 Nov 2017 11:44:23 -0600
Subject: KVM: x86: Fix CPUID function for word 6 (80000001_ECX)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
From: Janakarajan Natarajan <Janakarajan.Natarajan@xxxxxxx>
commit 50a671d4d15b859f447fa527191073019b6ce9cb upstream.
The function for CPUID 80000001 ECX is set to 0xc0000001. Set it to
0x80000001.
Signed-off-by: Janakarajan Natarajan <Janakarajan.Natarajan@xxxxxxx>
Reviewed-by: Jim Mattson <jmattson@xxxxxxxxxx>
Reviewed-by: Krish Sadhukhan <krish.sadhukhan@xxxxxxxxxx>
Reviewed-by: Borislav Petkov <bp@xxxxxxx>
Fixes: d6321d493319 ("KVM: x86: generalize guest_cpuid_has_ helpers")
Signed-off-by: Radim Krčmář <rkrcmar@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
arch/x86/kvm/cpuid.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/x86/kvm/cpuid.h
+++ b/arch/x86/kvm/cpuid.h
@@ -44,7 +44,7 @@ static const struct cpuid_reg reverse_cp
[CPUID_8086_0001_EDX] = {0x80860001, 0, CPUID_EDX},
[CPUID_1_ECX] = { 1, 0, CPUID_ECX},
[CPUID_C000_0001_EDX] = {0xc0000001, 0, CPUID_EDX},
- [CPUID_8000_0001_ECX] = {0xc0000001, 0, CPUID_ECX},
+ [CPUID_8000_0001_ECX] = {0x80000001, 0, CPUID_ECX},
[CPUID_7_0_EBX] = { 7, 0, CPUID_EBX},
[CPUID_D_1_EAX] = { 0xd, 1, CPUID_EAX},
[CPUID_F_0_EDX] = { 0xf, 0, CPUID_EDX},
Patches currently in stable-queue which might be from Janakarajan.Natarajan@xxxxxxx are
queue-4.14/kvm-x86-fix-cpuid-function-for-word-6-80000001_ecx.patch