diff options
Diffstat (limited to 'arch/microblaze')
-rw-r--r-- | arch/microblaze/mm/highmem.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/microblaze/mm/highmem.c b/arch/microblaze/mm/highmem.c index 5a92576fad92..2fcc5a52d84d 100644 --- a/arch/microblaze/mm/highmem.c +++ b/arch/microblaze/mm/highmem.c | |||
@@ -37,7 +37,7 @@ void *kmap_atomic_prot(struct page *page, pgprot_t prot) | |||
37 | unsigned long vaddr; | 37 | unsigned long vaddr; |
38 | int idx, type; | 38 | int idx, type; |
39 | 39 | ||
40 | /* even !CONFIG_PREEMPT needs this, for in_atomic in do_page_fault */ | 40 | preempt_disable(); |
41 | pagefault_disable(); | 41 | pagefault_disable(); |
42 | if (!PageHighMem(page)) | 42 | if (!PageHighMem(page)) |
43 | return page_address(page); | 43 | return page_address(page); |
@@ -63,6 +63,7 @@ void __kunmap_atomic(void *kvaddr) | |||
63 | 63 | ||
64 | if (vaddr < __fix_to_virt(FIX_KMAP_END)) { | 64 | if (vaddr < __fix_to_virt(FIX_KMAP_END)) { |
65 | pagefault_enable(); | 65 | pagefault_enable(); |
66 | preempt_enable(); | ||
66 | return; | 67 | return; |
67 | } | 68 | } |
68 | 69 | ||
@@ -84,5 +85,6 @@ void __kunmap_atomic(void *kvaddr) | |||
84 | #endif | 85 | #endif |
85 | kmap_atomic_idx_pop(); | 86 | kmap_atomic_idx_pop(); |
86 | pagefault_enable(); | 87 | pagefault_enable(); |
88 | preempt_enable(); | ||
87 | } | 89 | } |
88 | EXPORT_SYMBOL(__kunmap_atomic); | 90 | EXPORT_SYMBOL(__kunmap_atomic); |