diff options
| -rw-r--r-- | arch/parisc/kernel/cache.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c index 39e02227e231..a1a7e2b0812f 100644 --- a/arch/parisc/kernel/cache.c +++ b/arch/parisc/kernel/cache.c @@ -558,6 +558,7 @@ void flush_cache_mm(struct mm_struct *mm) return; } + preempt_disable(); if (mm->context == mfsp(3)) { for (vma = mm->mmap; vma; vma = vma->vm_next) { flush_user_dcache_range_asm(vma->vm_start, vma->vm_end); @@ -565,6 +566,7 @@ void flush_cache_mm(struct mm_struct *mm) flush_user_icache_range_asm(vma->vm_start, vma->vm_end); flush_tlb_range(vma, vma->vm_start, vma->vm_end); } + preempt_enable(); return; } @@ -589,6 +591,7 @@ void flush_cache_mm(struct mm_struct *mm) } } } + preempt_enable(); } void flush_cache_range(struct vm_area_struct *vma, @@ -605,11 +608,13 @@ void flush_cache_range(struct vm_area_struct *vma, return; } + preempt_disable(); if (vma->vm_mm->context == mfsp(3)) { flush_user_dcache_range_asm(start, end); if (vma->vm_flags & VM_EXEC) flush_user_icache_range_asm(start, end); flush_tlb_range(vma, start, end); + preempt_enable(); return; } @@ -629,6 +634,7 @@ void flush_cache_range(struct vm_area_struct *vma, } } } + preempt_enable(); } void |