i386: Clear MCE flag on AMD K6

[sfrench/cifs-2.6.git] / arch / i386 / kernel / cpu / amd.c

diff --git a/arch/i386/kernel/cpu/amd.c b/arch/i386/kernel/cpu/amd.c
index 4fec702afd7e84b58c896b6f99becf7fad87932a..6f47eeeb93ea65d3c513c9e81458551a9a58c52f 100644 (file)
--- a/arch/i386/kernel/cpu/amd.c
+++ b/arch/i386/kernel/cpu/amd.c
@@ -280,6 +280,10 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c)
 
        if (c->x86 == 0x10 && !force_mwait)
                clear_bit(X86_FEATURE_MWAIT, c->x86_capability);
+
+       /* K6s reports MCEs but don't actually have all the MSRs */
+       if (c->x86 < 6)
+               clear_bit(X86_FEATURE_MCE, c->x86_capability);
 }
 
 static unsigned int __cpuinit amd_size_cache(struct cpuinfo_x86 * c, unsigned int size)