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From: Jacob Pan on 19 May 2010 15:10 Some extra CPU features such as ARAT is needed in early boot so that x86_init function pointers can be set up properly. http://lkml.org/lkml/2010/5/18/519 At start_kernel() level, this patch moves init_scattered_cpuid_features() from check_bugs() to setup_arch() -> early_cpu_init() which is earlier than platform specific x86_init layer setup. Suggested by HPA. Signed-off-by: Jacob Pan <jacob.jun.pan(a)linux.intel.com> Acked-by: H. Peter Anvin <hpa(a)zytor.com> --- arch/x86/kernel/cpu/common.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 4868e4a..fe1e5d6 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -576,6 +576,7 @@ static void __cpuinit get_cpu_cap(struct cpuinfo_x86 *c) if (c->extended_cpuid_level >= 0x80000007) c->x86_power = cpuid_edx(0x80000007); + init_scattered_cpuid_features(c); } static void __cpuinit identify_cpu_without_cpuid(struct cpuinfo_x86 *c) @@ -731,7 +732,6 @@ static void __cpuinit generic_identify(struct cpuinfo_x86 *c) get_model_name(c); /* Default name */ - init_scattered_cpuid_features(c); detect_nopl(c); } -- 1.6.3.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ |