diff options
Diffstat (limited to 'arch/tile/mm/highmem.c')
| -rw-r--r-- | arch/tile/mm/highmem.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/tile/mm/highmem.c b/arch/tile/mm/highmem.c index 6aa2f2625447..fcd545014e79 100644 --- a/arch/tile/mm/highmem.c +++ b/arch/tile/mm/highmem.c @@ -201,7 +201,7 @@ void *kmap_atomic_prot(struct page *page, pgprot_t prot) int idx, type; pte_t *pte; - /* even !CONFIG_PREEMPT needs this, for in_atomic in do_page_fault */ + preempt_disable(); pagefault_disable(); /* Avoid icache flushes by disallowing atomic executable mappings. */ @@ -259,6 +259,7 @@ void __kunmap_atomic(void *kvaddr) } pagefault_enable(); + preempt_enable(); } EXPORT_SYMBOL(__kunmap_atomic); |