diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2008-06-09 12:04:27 -0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-06-10 09:52:21 -0400 |
| commit | 09fd4b4ef5bc7e5222c13acec1bee8cd252fb63f (patch) | |
| tree | f23eec885a8506c2f84987ac443db618fb58aa27 /arch/cris/defconfig | |
| parent | 732d7be17b98ebfd59e5864c3490f19856fa832c (diff) | |
x86: use cpuid to check MWAIT support for C1
cpuid(0x05) provides extended information about MWAIT in EDX when bit
0 of ECX is set. Bit 4-7 of EDX determine whether MWAIT is supported
for C1. C1E enabled CPUs have these bits set to 0.
Based on an earlier patch from Andi Kleen.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/cris/defconfig')
0 files changed, 0 insertions, 0 deletions