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| author | Ingo Molnar <mingo@elte.hu> | 2008-02-26 08:34:21 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-04-17 17:40:50 +0200 |
| commit | 0f8d2b926d15a68eac9c19edfdcb58a5d80b2960 (patch) | |
| tree | df6e523314b22d19f46d3be844a5613e1e48b21f /include/asm-x86/cpufeature.h | |
| parent | x86: remove wrong setting about CONSTANT_TSC for intel cpu (diff) | |
| download | linux-0f8d2b926d15a68eac9c19edfdcb58a5d80b2960.tar.xz linux-0f8d2b926d15a68eac9c19edfdcb58a5d80b2960.zip | |
x86: clean up cpu capabilities accesses
introduce test_cpu_cap() for raw access to the real CPU
capabilities as they are present in x86_capability.
(cpu_has() will shortcut certain tests during build-time)
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86/cpufeature.h')
| -rw-r--r-- | include/asm-x86/cpufeature.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/include/asm-x86/cpufeature.h b/include/asm-x86/cpufeature.h index 065e92966c7c..1e3102eeb823 100644 --- a/include/asm-x86/cpufeature.h +++ b/include/asm-x86/cpufeature.h @@ -120,6 +120,9 @@ extern const char * const x86_cap_flags[NCAPINTS*32]; extern const char * const x86_power_flags[32]; +#define test_cpu_cap(c, bit) \ + test_bit(bit, (unsigned long *)((c)->x86_capability)) + #define cpu_has(c, bit) \ (__builtin_constant_p(bit) && \ ( (((bit)>>5)==0 && (1UL<<((bit)&31) & REQUIRED_MASK0)) || \ @@ -131,7 +134,8 @@ extern const char * const x86_power_flags[32]; (((bit)>>5)==6 && (1UL<<((bit)&31) & REQUIRED_MASK6)) || \ (((bit)>>5)==7 && (1UL<<((bit)&31) & REQUIRED_MASK7)) ) \ ? 1 : \ - test_bit(bit, (unsigned long *)((c)->x86_capability))) + test_cpu_cap(c, bit)) + #define boot_cpu_has(bit) cpu_has(&boot_cpu_data, bit) #define set_cpu_cap(c, bit) set_bit(bit, (unsigned long *)((c)->x86_capability)) |