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| author | Kees Cook <keescook@chromium.org> | 2016-07-25 13:50:36 -0700 |
|---|---|---|
| committer | Kees Cook <keescook@chromium.org> | 2016-07-25 13:50:36 -0700 |
| commit | 74e630a7582e6b3cb39559d712a0049f08dea8a0 (patch) | |
| tree | 98a752412dcfc74d802024c1d9e8c541b93174f9 /arch/sparc/mm | |
| parent | 35da60941e44dbf57868e67686dd24cc1a33125a (diff) | |
| parent | 523d939ef98fd712632d93a5a2b588e477a7565e (diff) | |
Merge tag 'v4.7' into for-linus/pstore
Linux 4.7
Diffstat (limited to 'arch/sparc/mm')
| -rw-r--r-- | arch/sparc/mm/init_64.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c index 652683cb4b4b..aec508e37490 100644 --- a/arch/sparc/mm/init_64.c +++ b/arch/sparc/mm/init_64.c @@ -2704,8 +2704,7 @@ void __flush_tlb_all(void) pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address) { - struct page *page = alloc_page(GFP_KERNEL | __GFP_NOTRACK | - __GFP_REPEAT | __GFP_ZERO); + struct page *page = alloc_page(GFP_KERNEL | __GFP_NOTRACK | __GFP_ZERO); pte_t *pte = NULL; if (page) @@ -2717,8 +2716,7 @@ pte_t *pte_alloc_one_kernel(struct mm_struct *mm, pgtable_t pte_alloc_one(struct mm_struct *mm, unsigned long address) { - struct page *page = alloc_page(GFP_KERNEL | __GFP_NOTRACK | - __GFP_REPEAT | __GFP_ZERO); + struct page *page = alloc_page(GFP_KERNEL | __GFP_NOTRACK | __GFP_ZERO); if (!page) return NULL; if (!pgtable_page_ctor(page)) { @@ -2824,9 +2822,10 @@ 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; @@ -2845,9 +2844,12 @@ 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 |