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x64, x2apic/intr-remap: cpuid bits for x2apic feature 

cpuid feature for x2apic.

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: akpm@linux-foundation.org
Cc: arjan@linux.intel.com
Cc: andi@firstfloor.org
Cc: ebiederm@xmission.com
Cc: jbarnes@virtuousgeek.org
Cc: steiner@sgi.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Suresh Siddha 2008-07-10 11:16:50 -07:00 committed by Ingo Molnar
parent 1b374e4d6f
commit 32e1d0a065
2 changed files with 3 additions and 1 deletions
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2
arch/x86/kernel/cpu/feature_names.c
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@ -45,7 +45,7 @@ const char * const x86_cap_flags[NCAPINTS*32] = {
/* 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 */

2
include/asm-x86/cpufeature.h
View File

@ -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 @@ extern const char * const x86_power_flags[32];
#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