diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-30 09:02:02 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-05-30 09:02:02 -0700 |
| commit | 06b2e9886e039c2f1b3048c47e539b80ab4155b0 (patch) | |
| tree | cdc295333e93cf407fd205b21f31a12d75b0a635 /arch/parisc/include | |
| parent | 35926ff5fba8245bd1c6ac04155048f6f89232b1 (diff) | |
| parent | 210501aa570fdaa8b06e56fd1c04f31f2d3f368b (diff) | |
Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6:
parisc: Call pagefault_disable/pagefault_enable in kmap_atomic/kunmap_atomic
parisc: Remove unnecessary macros from entry.S
parisc: LWS fixes for syscall.S
parisc: Delete unnecessary nop's in entry.S
parisc: Avoid interruption in critical region in entry.S
parisc: invoke oom-killer from page fault
parisc: clear floating point exception flag on SIGFPE signal
parisc: Use of align_frame provides stack frame.
Diffstat (limited to 'arch/parisc/include')
| -rw-r--r-- | arch/parisc/include/asm/cacheflush.h | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/arch/parisc/include/asm/cacheflush.h b/arch/parisc/include/asm/cacheflush.h index 477277739da..4556d820128 100644 --- 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 |