diff options
| -rw-r--r-- | arch/i386/kernel/cpu/common.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/i386/kernel/cpu/common.c b/arch/i386/kernel/cpu/common.c index 2799baaadf4..b2f24d57fdd 100644 --- a/arch/i386/kernel/cpu/common.c +++ b/arch/i386/kernel/cpu/common.c @@ -184,7 +184,16 @@ static void __cpuinit get_cpu_vendor(struct cpuinfo_x86 *c, int early) static int __init x86_fxsr_setup(char * s) { + /* Tell all the other CPU's to not use it... */ disable_x86_fxsr = 1; + + /* + * ... and clear the bits early in the boot_cpu_data + * so that the bootup process doesn't try to do this + * either. + */ + clear_bit(X86_FEATURE_FXSR, boot_cpu_data.x86_capability); + clear_bit(X86_FEATURE_XMM, boot_cpu_data.x86_capability); return 1; } __setup("nofxsr", x86_fxsr_setup); |