diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/cpu/amd.c | 14 |
1 files changed, 0 insertions, 14 deletions
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index a93741d..3f4b6da 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? */ |