diff options
Diffstat (limited to 'arch/sparc/mm/tlb.c')
| -rw-r--r-- | arch/sparc/mm/tlb.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/arch/sparc/mm/tlb.c b/arch/sparc/mm/tlb.c index a35ddcca5e76..6d9dd5eb1328 100644 --- a/arch/sparc/mm/tlb.c +++ b/arch/sparc/mm/tlb.c @@ -11,6 +11,8 @@ #include <linux/preempt.h> #include <linux/pagemap.h> +#include <kunit/visibility.h> + #include <asm/tlbflush.h> #include <asm/cacheflush.h> #include <asm/mmu_context.h> @@ -52,22 +54,26 @@ out: void arch_enter_lazy_mmu_mode(void) { - struct tlb_batch *tb; - preempt_disable(); - tb = this_cpu_ptr(&tlb_batch); - tb->active = 1; } +/* For lazy_mmu_mode KUnit tests */ +EXPORT_SYMBOL_IF_KUNIT(arch_enter_lazy_mmu_mode); -void arch_leave_lazy_mmu_mode(void) +void arch_flush_lazy_mmu_mode(void) { struct tlb_batch *tb = this_cpu_ptr(&tlb_batch); if (tb->tlb_nr) flush_tlb_pending(); - tb->active = 0; +} +EXPORT_SYMBOL_IF_KUNIT(arch_flush_lazy_mmu_mode); + +void arch_leave_lazy_mmu_mode(void) +{ + arch_flush_lazy_mmu_mode(); preempt_enable(); } +EXPORT_SYMBOL_IF_KUNIT(arch_leave_lazy_mmu_mode); static void tlb_batch_add_one(struct mm_struct *mm, unsigned long vaddr, bool exec, unsigned int hugepage_shift) @@ -86,7 +92,7 @@ static void tlb_batch_add_one(struct mm_struct *mm, unsigned long vaddr, nr = 0; } - if (!tb->active) { + if (!is_lazy_mmu_mode_active()) { flush_tsb_user_page(mm, vaddr, hugepage_shift); global_flush_tlb_page(mm, vaddr); goto out; |