Commit-ID: 2e8458dfe4202df75543402c7343b8f94de4101e Gitweb: http://git.kernel.org/tip/2e8458dfe4202df75543402c7343b8f94de4101e Author: Andreas Herrmann <[email protected]> AuthorDate: Fri, 19 Oct 2012 11:00:49 +0200 Committer: H. Peter Anvin <[email protected]> CommitDate: Tue, 13 Nov 2012 11:22:30 -0800
x86, cacheinfo: Make use of CPUID 0x8000001d for cache information on AMD Rely on CPUID 0x8000001d for cache information when AMD CPUID topology extensions are available. Signed-off-by: Andreas Herrmann <[email protected]> Link: http://lkml.kernel.org/r/20121019090049.GF26718@alberich Signed-off-by: H. Peter Anvin <[email protected]> --- arch/x86/kernel/cpu/intel_cacheinfo.c | 6 +++++- 1 files changed, 5 insertions(+), 1 deletions(-) diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c index 8ce7a83..cd2e1cc 100644 --- a/arch/x86/kernel/cpu/intel_cacheinfo.c +++ b/arch/x86/kernel/cpu/intel_cacheinfo.c @@ -538,7 +538,11 @@ __cpuinit cpuid4_cache_lookup_regs(int index, unsigned edx; if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD) { - amd_cpuid4(index, &eax, &ebx, &ecx); + if (cpu_has_topoext) + cpuid_count(0x8000001d, index, &eax.full, + &ebx.full, &ecx.full, &edx); + else + amd_cpuid4(index, &eax, &ebx, &ecx); amd_init_l3_cache(this_leaf, index); } else { cpuid_count(4, index, &eax.full, &ebx.full, &ecx.full, &edx); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
