diff options
Diffstat (limited to 'arch/x86/include/asm/tlbflush.h')
| -rw-r--r-- | arch/x86/include/asm/tlbflush.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/x86/include/asm/tlbflush.h b/arch/x86/include/asm/tlbflush.h index d362161d3291..0d4a1bb7e303 100644 --- a/arch/x86/include/asm/tlbflush.h +++ b/arch/x86/include/asm/tlbflush.h @@ -87,7 +87,12 @@ static inline u64 inc_mm_tlb_gen(struct mm_struct *mm) * to init_mm when we switch to a kernel thread (e.g. the idle thread). If * it's false, then we immediately switch CR3 when entering a kernel thread. */ -DECLARE_STATIC_KEY_TRUE(tlb_use_lazy_mode); +DECLARE_STATIC_KEY_TRUE(__tlb_defer_switch_to_init_mm); + +static inline bool tlb_defer_switch_to_init_mm(void) +{ + return static_branch_unlikely(&__tlb_defer_switch_to_init_mm); +} /* * 6 because 6 should be plenty and struct tlb_state will fit in |