[patch 1/9] x86, xsave: xsave cpuid feature bits

From: Suresh Siddha
Date: Tue Jul 29 2008 - 13:41:09 EST


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

Index: tip-0728/arch/x86/kernel/cpu/feature_names.c
===================================================================
--- tip-0728.orig/arch/x86/kernel/cpu/feature_names.c 2008-07-28 18:19:50.000000000 -0700
+++ tip-0728/arch/x86/kernel/cpu/feature_names.c 2008-07-28 18:19:53.000000000 -0700
@@ -46,7 +46,7 @@
"pni", NULL, NULL, "monitor", "ds_cpl", "vmx", "smx", "est",
"tm2", "ssse3", "cid", NULL, NULL, "cx16", "xtpr", NULL,
NULL, NULL, "dca", "sse4_1", "sse4_2", "x2apic", NULL, "popcnt",
- NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+ NULL, NULL, "xsave", NULL, NULL, NULL, NULL, NULL,

/* VIA/Cyrix/Centaur-defined */
NULL, NULL, "rng", "rng_en", NULL, NULL, "ace", "ace_en",
Index: tip-0728/include/asm-x86/cpufeature.h
===================================================================
--- tip-0728.orig/include/asm-x86/cpufeature.h 2008-07-28 18:19:50.000000000 -0700
+++ tip-0728/include/asm-x86/cpufeature.h 2008-07-28 18:19:53.000000000 -0700
@@ -92,6 +92,7 @@
#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 */
+#define X86_FEATURE_XSAVE (4*32+26) /* XSAVE */

/* VIA/Cyrix/Centaur-defined CPU features, CPUID level 0xC0000001, word 5 */
#define X86_FEATURE_XSTORE (5*32+ 2) /* on-CPU RNG present (xstore insn) */
@@ -191,6 +192,7 @@
#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)
+#define cpu_has_xsave boot_cpu_has(X86_FEATURE_XSAVE)

#if defined(CONFIG_X86_INVLPG) || defined(CONFIG_X86_64)
# define cpu_has_invlpg 1

--

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