[tip:x86/cpu] x86/cpufeature: Add AMD AVIC bit

From: tip-bot for Borislav Petkov
Date: Tue Jan 19 2016 - 08:39:12 EST


Commit-ID: a1ff5726081858a9ad98934eff7af6616c576875
Gitweb: http://git.kernel.org/tip/a1ff5726081858a9ad98934eff7af6616c576875
Author: Borislav Petkov <bp@xxxxxxx>
AuthorDate: Sat, 16 Jan 2016 10:58:12 +0100
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Tue, 19 Jan 2016 08:29:28 +0100

x86/cpufeature: Add AMD AVIC bit

CPUID Fn8000_000A_EDX[13] denotes support for AMD's Virtual
Interrupt controller, i.e., APIC virtualization.

Signed-off-by: Borislav Petkov <bp@xxxxxxx>
Cc: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxxxx>
Cc: Brian Gerst <brgerst@xxxxxxxxx>
Cc: David Kaplan <david.kaplan@xxxxxxx>
Cc: Denys Vlasenko <dvlasenk@xxxxxxxxxx>
Cc: H. Peter Anvin <hpa@xxxxxxxxx>
Cc: Joerg Roedel <joro@xxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Tom Lendacky <thomas.lendacky@xxxxxxx>
Link: http://lkml.kernel.org/r/1452938292-12327-1-git-send-email-bp@xxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
arch/x86/include/asm/cpufeature.h | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
index 7ad8c94..bbf166e 100644
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -268,6 +268,7 @@
#define X86_FEATURE_DECODEASSISTS (15*32+ 7) /* Decode Assists support */
#define X86_FEATURE_PAUSEFILTER (15*32+10) /* filtered pause intercept */
#define X86_FEATURE_PFTHRESHOLD (15*32+12) /* pause filter threshold */
+#define X86_FEATURE_AVIC (15*32+13) /* Virtual Interrupt Controller */

/*
* BUG word(s)