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[patch 16/26] x64, x2apic/intr-remap: cpuid bits for x2apic feature

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From: Suresh Siddha <suresh.b.siddha@...>
To: <mingo@...>, <hpa@...>, <tglx@...>, <akpm@...>, <arjan@...>, <andi@...>, <ebiederm@...>, <jbarnes@...>, <steiner@...>
Cc: <linux-kernel@...>, Suresh Siddha <suresh.b.siddha@...>
Subject: [patch 16/26] x64, x2apic/intr-remap: cpuid bits for x2apic feature
Date: Thursday, July 10, 2008 - 2:16 pm

cpuid feature for x2apic.

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
---

Index: tree-x86/include/asm-x86/cpufeature.h
===================================================================
--- tree-x86.orig/include/asm-x86/cpufeature.h	2008-07-10 09:51:45.000000000 -0700
+++ tree-x86/include/asm-x86/cpufeature.h	2008-07-10 09:52:16.000000000 -0700
@@ -90,6 +90,7 @@
 #define X86_FEATURE_CX16	(4*32+13) /* CMPXCHG16B */
 #define X86_FEATURE_XTPR	(4*32+14) /* Send Task Priority Messages */
 #define X86_FEATURE_DCA		(4*32+18) /* Direct Cache Access */
+#define X86_FEATURE_X2APIC	(4*32+21) /* x2APIC */
 
 /* VIA/Cyrix/Centaur-defined CPU features, CPUID level 0xC0000001, word 5 */
 #define X86_FEATURE_XSTORE	(5*32+ 2) /* on-CPU RNG present (xstore insn) */
@@ -188,6 +189,7 @@
 #define cpu_has_gbpages		boot_cpu_has(X86_FEATURE_GBPAGES)
 #define cpu_has_arch_perfmon	boot_cpu_has(X86_FEATURE_ARCH_PERFMON)
 #define cpu_has_pat		boot_cpu_has(X86_FEATURE_PAT)
+#define cpu_has_x2apic		boot_cpu_has(X86_FEATURE_X2APIC)
 
 #if defined(CONFIG_X86_INVLPG) || defined(CONFIG_X86_64)
 # define cpu_has_invlpg		1
Index: tree-x86/arch/x86/kernel/cpu/feature_names.c
===================================================================
--- tree-x86.orig/arch/x86/kernel/cpu/feature_names.c	2008-07-10 09:51:45.000000000 -0700
+++ tree-x86/arch/x86/kernel/cpu/feature_names.c	2008-07-10 09:52:16.000000000 -0700
@@ -45,7 +45,7 @@
 	/* Intel-defined (#2) */
 	"pni", NULL, NULL, "monitor", "ds_cpl", "vmx", "smx", "est",
 	"tm2", "ssse3", "cid", NULL, NULL, "cx16", "xtpr", NULL,
-	NULL, NULL, "dca", "sse4_1", "sse4_2", NULL, NULL, "popcnt",
+	NULL, NULL, "dca", "sse4_1", "sse4_2", "x2apic", NULL, "popcnt",
 	NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
 
 	/* VIA/Cyrix/Centaur-defined */

-- 

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[patch 16/26] x64, x2apic/intr-remap: cpuid bits for x2apic ..., Suresh Siddha, (Thu Jul 10, 2:16 pm)