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authorLen Brown <len.brown@intel.com>2006-01-27 17:18:29 -0500
committerLen Brown <len.brown@intel.com>2006-01-27 17:18:29 -0500
commit292dd876ee765c478b27c93cc51e93a558ed58bf (patch)
tree5b740e93253295baee2a9c414a6c66d03d44a9ef /arch/i386/kernel/cpu/amd.c
parentd4ec6c7cc9a15a7a529719bc3b84f46812f9842e (diff)
parent9fdb62af92c741addbea15545f214a6e89460865 (diff)
Pull release into acpica branch
Diffstat (limited to 'arch/i386/kernel/cpu/amd.c')
-rw-r--r--arch/i386/kernel/cpu/amd.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/i386/kernel/cpu/amd.c b/arch/i386/kernel/cpu/amd.c
index e7697e077f6b..333578a4e91a 100644
--- a/arch/i386/kernel/cpu/amd.c
+++ b/arch/i386/kernel/cpu/amd.c
@@ -216,6 +216,12 @@ static void __init init_amd(struct cpuinfo_x86 *c)
c->x86_max_cores = 1;
}
+ if (cpuid_eax(0x80000000) >= 0x80000007) {
+ c->x86_power = cpuid_edx(0x80000007);
+ if (c->x86_power & (1<<8))
+ set_bit(X86_FEATURE_CONSTANT_TSC, c->x86_capability);
+ }
+
#ifdef CONFIG_X86_HT
/*
* On a AMD dual core setup the lower bits of the APIC id
@@ -233,6 +239,7 @@ static void __init init_amd(struct cpuinfo_x86 *c)
cpu, c->x86_max_cores, cpu_core_id[cpu]);
}
#endif
+
}
static unsigned int amd_size_cache(struct cpuinfo_x86 * c, unsigned int size)