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%3Ba=su...

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@vger.kernel.org know about it.

From 50a671d4d15b859f447fa527191073019b6ce9cb Mon Sep 17 00:00:00 2001

From: Janakarajan Natarajan Janakarajan.Natarajan@amd.com 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@amd.com

commit 50a671d4d15b859f447fa527191073019b6ce9cb upstream.

The function for CPUID 80000001 ECX is set to 0xc0000001. Set it to 0x80000001.

Signed-off-by: Janakarajan Natarajan Janakarajan.Natarajan@amd.com Reviewed-by: Jim Mattson jmattson@google.com Reviewed-by: Krish Sadhukhan krish.sadhukhan@oracle.com Reviewed-by: Borislav Petkov bp@suse.de Fixes: d6321d493319 ("KVM: x86: generalize guest_cpuid_has_ helpers") Signed-off-by: Radim Krčmář rkrcmar@redhat.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org

--- 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@amd.com are

queue-4.14/kvm-x86-fix-cpuid-function-for-word-6-80000001_ecx.patch