diff options
Diffstat (limited to 'arch/x86/include/asm/mmu_context.h')
| -rw-r--r-- | arch/x86/include/asm/mmu_context.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/arch/x86/include/asm/mmu_context.h b/arch/x86/include/asm/mmu_context.h index 2398058b6e83..73bf3b1b44e8 100644 --- a/arch/x86/include/asm/mmu_context.h +++ b/arch/x86/include/asm/mmu_context.h @@ -190,7 +190,7 @@ extern void switch_mm_irqs_off(struct mm_struct *prev, struct mm_struct *next, #define activate_mm(prev, next) \ do { \ paravirt_enter_mmap(next); \ - switch_mm((prev), (next), NULL); \ + switch_mm_irqs_off((prev), (next), NULL); \ } while (0); #ifdef CONFIG_X86_32 @@ -247,6 +247,16 @@ static inline bool is_64bit_mm(struct mm_struct *mm) } #endif +static inline bool is_notrack_mm(struct mm_struct *mm) +{ + return test_bit(MM_CONTEXT_NOTRACK, &mm->context.flags); +} + +static inline void set_notrack_mm(struct mm_struct *mm) +{ + set_bit(MM_CONTEXT_NOTRACK, &mm->context.flags); +} + /* * We only want to enforce protection keys on the current process * because we effectively have no access to PKRU for other @@ -272,4 +282,7 @@ unsigned long __get_current_cr3_fast(void); #include <asm-generic/mmu_context.h> +extern struct mm_struct *use_temporary_mm(struct mm_struct *temp_mm); +extern void unuse_temporary_mm(struct mm_struct *prev_mm); + #endif /* _ASM_X86_MMU_CONTEXT_H */ |