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x86/cpu: Add CLZERO detection
[firefly-linux-kernel-4.4.55.git]
/
arch
/
x86
/
kernel
/
cpu
/
common.c
diff --git
a/arch/x86/kernel/cpu/common.c
b/arch/x86/kernel/cpu/common.c
index de22ea7ff82f93ea1a8d4a204f10a7c6e8fdef76..4ddd780aeac90ab353134453316dc18108c8b308 100644
(file)
--- a/
arch/x86/kernel/cpu/common.c
+++ b/
arch/x86/kernel/cpu/common.c
@@
-670,6
+670,7
@@
void get_cpu_cap(struct cpuinfo_x86 *c)
c->x86_virt_bits = (eax >> 8) & 0xff;
c->x86_phys_bits = eax & 0xff;
+ c->x86_capability[13] = cpuid_ebx(0x80000008);
}
#ifdef CONFIG_X86_32
else if (cpu_has(c, X86_FEATURE_PAE) || cpu_has(c, X86_FEATURE_PSE36))