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| author | Glauber Costa <gcosta@redhat.com> | 2008-03-03 18:12:48 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-04-17 17:40:55 +0200 |
| commit | 3d3f487c58ef1ece714af280b29411960908149c (patch) | |
| tree | 74a117e5cf717a41ed82ca1f752b99fcb9983872 /include/asm-x86/processor.h | |
| parent | x86: change x86_64 smp_call_function_mask to look alike i386 (diff) | |
| download | linux-3d3f487c58ef1ece714af280b29411960908149c.tar.xz linux-3d3f487c58ef1ece714af280b29411960908149c.zip | |
x86: provide hlt_works function.
In x86_64, hlt always work. in i386, we'll query the cpuinfo associated
with this cpu
Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86/processor.h')
| -rw-r--r-- | include/asm-x86/processor.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/asm-x86/processor.h b/include/asm-x86/processor.h index 9054734589fe..8bec23c15527 100644 --- a/include/asm-x86/processor.h +++ b/include/asm-x86/processor.h @@ -144,6 +144,15 @@ DECLARE_PER_CPU(struct cpuinfo_x86, cpu_info); #define current_cpu_data boot_cpu_data #endif +static inline int hlt_works(int cpu) +{ +#ifdef CONFIG_X86_32 + return cpu_data(cpu).hlt_works_ok; +#else + return 1; +#endif +} + #define cache_line_size() (boot_cpu_data.x86_cache_alignment) extern void cpu_detect(struct cpuinfo_x86 *c); |