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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-09-05 09:13:24 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-09-05 09:13:24 +0300 |
| commit | 9c2edd8b5bcb36ec6c890dd85f8fd13034aaa43e (patch) | |
| tree | 052b3c229e00462cd0c5773c8b6b9fe314e86f38 /arch/x86/kernel/cpu/amd.c | |
| parent | aa652b1ccbd0d3a9cd4ecdec6d36935f78c838da (diff) | |
| parent | c6935931c1894ff857616ff8549b61236a19148f (diff) | |
| download | linux-9c2edd8b5bcb36ec6c890dd85f8fd13034aaa43e.tar.xz | |
Merge 4.8-rc5 into staging-next
We want the staging fixes in here as well to handle merge issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/x86/kernel/cpu/amd.c')
| -rw-r--r-- | arch/x86/kernel/cpu/amd.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index f5c69d8974e1..b81fe2d63e15 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -669,6 +669,17 @@ static void init_amd_gh(struct cpuinfo_x86 *c) set_cpu_bug(c, X86_BUG_AMD_TLB_MMATCH); } +#define MSR_AMD64_DE_CFG 0xC0011029 + +static void init_amd_ln(struct cpuinfo_x86 *c) +{ + /* + * Apply erratum 665 fix unconditionally so machines without a BIOS + * fix work. + */ + msr_set_bit(MSR_AMD64_DE_CFG, 31); +} + static void init_amd_bd(struct cpuinfo_x86 *c) { u64 value; @@ -726,6 +737,7 @@ static void init_amd(struct cpuinfo_x86 *c) case 6: init_amd_k7(c); break; case 0xf: init_amd_k8(c); break; case 0x10: init_amd_gh(c); break; + case 0x12: init_amd_ln(c); break; case 0x15: init_amd_bd(c); break; } |