diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-06-27 21:01:09 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-06-27 21:01:09 -0300 |
commit | b907a8622e39eecfc4b243f3be3ad26559d1faee (patch) | |
tree | b99ead386fccde5ea8252b5b5ebff8ffd83cd03d /arch/sparc/mm/tsb.c | |
parent | 68f052d01b53b858897d80beb0095920abe5868e (diff) |
Linux-libre 4.6.3-gnupck-4.6.3-gnu
Diffstat (limited to 'arch/sparc/mm/tsb.c')
-rw-r--r-- | arch/sparc/mm/tsb.c | 32 |
1 files changed, 17 insertions, 15 deletions
diff --git a/arch/sparc/mm/tsb.c b/arch/sparc/mm/tsb.c index a06576683..a0604a493 100644 --- a/arch/sparc/mm/tsb.c +++ b/arch/sparc/mm/tsb.c @@ -76,14 +76,15 @@ void flush_tsb_user(struct tlb_batch *tb) spin_lock_irqsave(&mm->context.lock, flags); - base = (unsigned long) mm->context.tsb_block[MM_TSB_BASE].tsb; - nentries = mm->context.tsb_block[MM_TSB_BASE].tsb_nentries; - if (tlb_type == cheetah_plus || tlb_type == hypervisor) - base = __pa(base); - __flush_tsb_one(tb, PAGE_SHIFT, base, nentries); - + if (!tb->huge) { + base = (unsigned long) mm->context.tsb_block[MM_TSB_BASE].tsb; + nentries = mm->context.tsb_block[MM_TSB_BASE].tsb_nentries; + if (tlb_type == cheetah_plus || tlb_type == hypervisor) + base = __pa(base); + __flush_tsb_one(tb, PAGE_SHIFT, base, nentries); + } #if defined(CONFIG_HUGETLB_PAGE) || defined(CONFIG_TRANSPARENT_HUGEPAGE) - if (mm->context.tsb_block[MM_TSB_HUGE].tsb) { + if (tb->huge && mm->context.tsb_block[MM_TSB_HUGE].tsb) { base = (unsigned long) mm->context.tsb_block[MM_TSB_HUGE].tsb; nentries = mm->context.tsb_block[MM_TSB_HUGE].tsb_nentries; if (tlb_type == cheetah_plus || tlb_type == hypervisor) @@ -94,20 +95,21 @@ void flush_tsb_user(struct tlb_batch *tb) spin_unlock_irqrestore(&mm->context.lock, flags); } -void flush_tsb_user_page(struct mm_struct *mm, unsigned long vaddr) +void flush_tsb_user_page(struct mm_struct *mm, unsigned long vaddr, bool huge) { unsigned long nentries, base, flags; spin_lock_irqsave(&mm->context.lock, flags); - base = (unsigned long) mm->context.tsb_block[MM_TSB_BASE].tsb; - nentries = mm->context.tsb_block[MM_TSB_BASE].tsb_nentries; - if (tlb_type == cheetah_plus || tlb_type == hypervisor) - base = __pa(base); - __flush_tsb_one_entry(base, vaddr, PAGE_SHIFT, nentries); - + if (!huge) { + base = (unsigned long) mm->context.tsb_block[MM_TSB_BASE].tsb; + nentries = mm->context.tsb_block[MM_TSB_BASE].tsb_nentries; + if (tlb_type == cheetah_plus || tlb_type == hypervisor) + base = __pa(base); + __flush_tsb_one_entry(base, vaddr, PAGE_SHIFT, nentries); + } #if defined(CONFIG_HUGETLB_PAGE) || defined(CONFIG_TRANSPARENT_HUGEPAGE) - if (mm->context.tsb_block[MM_TSB_HUGE].tsb) { + if (huge && mm->context.tsb_block[MM_TSB_HUGE].tsb) { base = (unsigned long) mm->context.tsb_block[MM_TSB_HUGE].tsb; nentries = mm->context.tsb_block[MM_TSB_HUGE].tsb_nentries; if (tlb_type == cheetah_plus || tlb_type == hypervisor) |