diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-06-27 21:01:09 -0300 |
---|---|---|
committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-06-27 21:01:09 -0300 |
commit | b907a8622e39eecfc4b243f3be3ad26559d1faee (patch) | |
tree | b99ead386fccde5ea8252b5b5ebff8ffd83cd03d /arch/sparc/mm/init_64.c | |
parent | 68f052d01b53b858897d80beb0095920abe5868e (diff) |
Linux-libre 4.6.3-gnupck-4.6.3-gnu
Diffstat (limited to 'arch/sparc/mm/init_64.c')
-rw-r--r-- | arch/sparc/mm/init_64.c | 22 |
1 files changed, 7 insertions, 15 deletions
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c index 09e838801..14bb0d5ed 100644 --- a/arch/sparc/mm/init_64.c +++ b/arch/sparc/mm/init_64.c @@ -324,18 +324,6 @@ static void __update_mmu_tsb_insert(struct mm_struct *mm, unsigned long tsb_inde tsb_insert(tsb, tag, tte); } -#if defined(CONFIG_HUGETLB_PAGE) || defined(CONFIG_TRANSPARENT_HUGEPAGE) -static inline bool is_hugetlb_pte(pte_t pte) -{ - if ((tlb_type == hypervisor && - (pte_val(pte) & _PAGE_SZALL_4V) == _PAGE_SZHUGE_4V) || - (tlb_type != hypervisor && - (pte_val(pte) & _PAGE_SZALL_4U) == _PAGE_SZHUGE_4U)) - return true; - return false; -} -#endif - void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep) { struct mm_struct *mm; @@ -2836,9 +2824,10 @@ void hugetlb_setup(struct pt_regs *regs) * the Data-TLB for huge pages. */ if (tlb_type == cheetah_plus) { + bool need_context_reload = false; unsigned long ctx; - spin_lock(&ctx_alloc_lock); + spin_lock_irq(&ctx_alloc_lock); ctx = mm->context.sparc64_ctx_val; ctx &= ~CTX_PGSZ_MASK; ctx |= CTX_PGSZ_BASE << CTX_PGSZ0_SHIFT; @@ -2857,9 +2846,12 @@ void hugetlb_setup(struct pt_regs *regs) * also executing in this address space. */ mm->context.sparc64_ctx_val = ctx; - on_each_cpu(context_reload, mm, 0); + need_context_reload = true; } - spin_unlock(&ctx_alloc_lock); + spin_unlock_irq(&ctx_alloc_lock); + + if (need_context_reload) + on_each_cpu(context_reload, mm, 0); } } #endif |