parisc: Call pagefault_disable/pagefault_enable in kmap_atomic/kunmap_atomic

[mirror_ubuntu-zesty-kernel.git] / arch / parisc / include / asm / cacheflush.h

diff --git a/arch/parisc/include/asm/cacheflush.h b/arch/parisc/include/asm/cacheflush.h
index 477277739da5f8bd895b8bd814fd59c733dfc962..4556d820128a435abf969933c0b25e67a9f57600 100644 (file)
--- a/arch/parisc/include/asm/cacheflush.h
+++ b/arch/parisc/include/asm/cacheflush.h
@@ -2,6 +2,7 @@
 #define _PARISC_CACHEFLUSH_H
 
 #include <linux/mm.h>
+#include <linux/uaccess.h>
 
 /* The usual comment is "Caches aren't brain-dead on the <architecture>".
  * Unfortunately, that doesn't apply to PA-RISC. */
@@ -125,11 +126,20 @@ static inline void *kmap(struct page *page)
 
 #define kunmap(page)                   kunmap_parisc(page_address(page))
 
-#define kmap_atomic(page, idx)         page_address(page)
+static inline void *kmap_atomic(struct page *page, enum km_type idx)
+{
+       pagefault_disable();
+       return page_address(page);
+}
 
-#define kunmap_atomic(addr, idx)       kunmap_parisc(addr)
+static inline void kunmap_atomic(void *addr, enum km_type idx)
+{
+       kunmap_parisc(addr);
+       pagefault_enable();
+}
 
-#define kmap_atomic_pfn(pfn, idx)      page_address(pfn_to_page(pfn))
+#define kmap_atomic_prot(page, idx, prot)      kmap_atomic(page, idx)
+#define kmap_atomic_pfn(pfn, idx)      kmap_atomic(pfn_to_page(pfn), (idx))
 #define kmap_atomic_to_page(ptr)       virt_to_page(ptr)
 #endif