diff options
Diffstat (limited to 'include/asm-x86/processor_64.h')
| -rw-r--r-- | include/asm-x86/processor_64.h | 36 |
1 files changed, 0 insertions, 36 deletions
diff --git a/include/asm-x86/processor_64.h b/include/asm-x86/processor_64.h index acecef80a51..6abe1ba30fe 100644 --- a/include/asm-x86/processor_64.h +++ b/include/asm-x86/processor_64.h @@ -88,34 +88,6 @@ extern void init_scattered_cpuid_features(struct cpuinfo_x86 *c); extern unsigned int init_intel_cacheinfo(struct cpuinfo_x86 *c); extern unsigned short num_cache_leaves; -/* - * Save the cr4 feature set we're using (ie - * Pentium 4MB enable and PPro Global page - * enable), so that any CPU's that boot up - * after us can get the correct flags. - */ -extern unsigned long mmu_cr4_features; - -static inline void set_in_cr4 (unsigned long mask) -{ - mmu_cr4_features |= mask; - __asm__("movq %%cr4,%%rax\n\t" - "orq %0,%%rax\n\t" - "movq %%rax,%%cr4\n" - : : "irg" (mask) - :"ax"); -} - -static inline void clear_in_cr4 (unsigned long mask) -{ - mmu_cr4_features &= ~mask; - __asm__("movq %%cr4,%%rax\n\t" - "andq %0,%%rax\n\t" - "movq %%rax,%%cr4\n" - : : "irg" (~mask) - :"ax"); -} - /* * User space process size. 47bits minus one guard page. @@ -254,14 +226,6 @@ struct thread_struct { set_fs(USER_DS); \ } while(0) -#define get_debugreg(var, register) \ - __asm__("movq %%db" #register ", %0" \ - :"=r" (var)) -#define set_debugreg(value, register) \ - __asm__("movq %0,%%db" #register \ - : /* no output */ \ - :"r" (value)) - struct task_struct; struct mm_struct; |