diff options
| author | Herbert Xu <herbert@lithui.me.apana.org.au> | 2017-12-22 20:00:50 +1100 |
|---|---|---|
| committer | Herbert Xu <herbert@lithui.me.apana.org.au> | 2017-12-22 20:00:50 +1100 |
| commit | 45fa9a324d0f5be9140ba2e0db9b8fb8a0b9b7e8 (patch) | |
| tree | a5e7c8428030ec0462b58133d6548ddff3802018 /arch/x86/kernel/cpu/amd.c | |
| parent | fc8517bf627c9b834f80274a1bc9ecd39b27231b (diff) | |
| parent | 2973633e9f09311e849f975d969737af81a521ff (diff) | |
| download | talos-op-linux-45fa9a324d0f5be9140ba2e0db9b8fb8a0b9b7e8.tar.gz talos-op-linux-45fa9a324d0f5be9140ba2e0db9b8fb8a0b9b7e8.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Merge the crypto tree to pick up inside-secure fixes.
Diffstat (limited to 'arch/x86/kernel/cpu/amd.c')
| -rw-r--r-- | arch/x86/kernel/cpu/amd.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index d58184b7cd44..bcb75dc97d44 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -804,8 +804,11 @@ static void init_amd(struct cpuinfo_x86 *c) case 0x17: init_amd_zn(c); break; } - /* Enable workaround for FXSAVE leak */ - if (c->x86 >= 6) + /* + * Enable workaround for FXSAVE leak on CPUs + * without a XSaveErPtr feature + */ + if ((c->x86 >= 6) && (!cpu_has(c, X86_FEATURE_XSAVEERPTR))) set_cpu_bug(c, X86_BUG_FXSAVE_LEAK); cpu_detect_cache_sizes(c); |
