From: Yinghai Lu Date: Sun, 15 Feb 2009 07:59:18 +0000 (-0800) Subject: x86: fix typo in filter_cpuid_features() X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=f6db44df5bd39ed33883786d35342759af796e4a;p=openwrt%2Fstaging%2Fblogic.git x86: fix typo in filter_cpuid_features() Impact: fix wrong disabling of cpu features an amd system got this strange output: CPU: CPU feature monitor disabled due to lack of CPUID level 0x5 but in /proc/cpuinfo I have: cpuid level : 5 on intel system: CPU: CPU feature monitor disabled due to lack of CPUID level 0x5 CPU: CPU feature dca disabled due to lack of CPUID level 0x9 but in /proc/cpuinfo i have: cpuid level : 11 Tt turns out there is a typo, and we should use level member in df. Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 21f086b4c1a8..32093d08d872 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -241,9 +241,9 @@ static void __cpuinit filter_cpuid_features(struct cpuinfo_x86 *c, bool warn) * signs here... */ if (cpu_has(c, df->feature) && - ((s32)df->feature < 0 ? - (u32)df->feature > (u32)c->extended_cpuid_level : - (s32)df->feature > (s32)c->cpuid_level)) { + ((s32)df->level < 0 ? + (u32)df->level > (u32)c->extended_cpuid_level : + (s32)df->level > (s32)c->cpuid_level)) { clear_cpu_cap(c, df->feature); if (warn) printk(KERN_WARNING @@ -253,7 +253,7 @@ static void __cpuinit filter_cpuid_features(struct cpuinfo_x86 *c, bool warn) df->level); } } -} +} /* * Naming convention should be: [()]