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-rw-r--r--arch/x86/kernel/cpu/amd.c14
1 files changed, 0 insertions, 14 deletions
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index a93741d8de7..3f4b6dacf1c 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -568,20 +568,6 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c)
}
}
- /*
- * The way access filter has a performance penalty on some workloads.
- * Disable it on the affected CPUs.
- */
- if ((c->x86 == 0x15) &&
- (c->x86_model >= 0x02) && (c->x86_model < 0x20)) {
- u64 val;
-
- if (!rdmsrl_safe(0xc0011021, &val) && !(val & 0x1E)) {
- val |= 0x1E;
- checking_wrmsrl(0xc0011021, val);
- }
- }
-
cpu_detect_cache_sizes(c);
/* Multi core CPU? */