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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-12-11 08:50:05 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-12-11 08:50:05 +0100 |
| commit | 73cf7e111ed69d8e1b59a3ae41b14bc77215e9ee (patch) | |
| tree | 02cd3308d328bce9cf97bf2c1c9d5e932103ebfe /arch/x86/kernel/cpu/amd.c | |
| parent | 328257099077e8affd438c179d8a938948de2e7f (diff) | |
| parent | 50c4c4e268a2d7a3e58ebb698ac74da0de40ae36 (diff) | |
| download | linux-73cf7e111ed69d8e1b59a3ae41b14bc77215e9ee.tar.bz2 | |
Merge 4.15-rc3 into driver-core-next
We want the fixes and changes in here for testing.
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 | 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); |