diff options
Diffstat (limited to 'arch/x86/kernel/setup_64.c')
| -rw-r--r-- | arch/x86/kernel/setup_64.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/kernel/setup_64.c b/arch/x86/kernel/setup_64.c index 7edb43f0b279..df159520bbd2 100644 --- a/arch/x86/kernel/setup_64.c +++ b/arch/x86/kernel/setup_64.c @@ -80,6 +80,8 @@ struct cpuinfo_x86 boot_cpu_data __read_mostly; EXPORT_SYMBOL(boot_cpu_data); +__u32 cleared_cpu_caps[NCAPINTS] __cpuinitdata; + unsigned long mmu_cr4_features; /* Boot loader ID as an integer, for the benefit of proc_dointvec */ @@ -1013,6 +1015,10 @@ void __cpuinit identify_cpu(struct cpuinfo_x86 *c) boot_cpu_data.x86_capability[i] &= c->x86_capability[i]; } + /* Clear all flags overriden by options */ + for (i = 0; i < NCAPINTS; i++) + c->x86_capability[i] ^= cleared_cpu_caps[i]; + #ifdef CONFIG_X86_MCE mcheck_init(c); #endif |