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authorVojtech Pavlik <vojtech@suse.cz>2006-06-26 13:58:26 +0200
committerLinus Torvalds <torvalds@g5.osdl.org>2006-06-26 10:48:19 -0700
commit7b0e85012581a9a8b12a8191d365716bf3ca3d3c (patch)
treea8e8b5f20e910334d259f4ef8863b6a8273b3b6a
parentf8bf3c65a962530821fa9a9b4bad43d8c7e13574 (diff)
[PATCH] x86_64: Add X86_FEATURE_RDTSCP, fix rdtscp in /proc/cpuinfo
This patch adds the X86_FEATURE_RDTSCP #define, so that kernel code can check for the feature easily and also fixes the location of the "rdtscp" string in the cpuinfo tables. Signed-off-by: Vojtech Pavlik <vojtech@suse.cz> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--arch/x86_64/kernel/setup.c2
-rw-r--r--include/asm-x86_64/cpufeature.h1
2 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c
index 24aa25ee0d7..923b76fb0aa 100644
--- a/arch/x86_64/kernel/setup.c
+++ b/arch/x86_64/kernel/setup.c
@@ -1206,7 +1206,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
NULL, NULL, NULL, "syscall", NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL, "nx", NULL, "mmxext", NULL,
- NULL, "fxsr_opt", "rdtscp", NULL, NULL, "lm", "3dnowext", "3dnow",
+ NULL, "fxsr_opt", NULL, "rdtscp", NULL, "lm", "3dnowext", "3dnow",
/* Transmeta-defined */
"recovery", "longrun", NULL, "lrti", NULL, NULL, NULL, NULL,
diff --git a/include/asm-x86_64/cpufeature.h b/include/asm-x86_64/cpufeature.h
index afc44e55740..fbf5a19edbb 100644
--- a/include/asm-x86_64/cpufeature.h
+++ b/include/asm-x86_64/cpufeature.h
@@ -46,6 +46,7 @@
#define X86_FEATURE_SYSCALL (1*32+11) /* SYSCALL/SYSRET */
#define X86_FEATURE_MMXEXT (1*32+22) /* AMD MMX extensions */
#define X86_FEATURE_FXSR_OPT (1*32+25) /* FXSR optimizations */
+#define X86_FEATURE_RDTSCP (1*32+27) /* RDTSCP */
#define X86_FEATURE_LM (1*32+29) /* Long Mode (x86-64) */
#define X86_FEATURE_3DNOWEXT (1*32+30) /* AMD 3DNow! extensions */
#define X86_FEATURE_3DNOW (1*32+31) /* 3DNow! */