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| author | David Howells <dhowells@redhat.com> | 2012-03-28 18:30:03 +0100 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2012-03-28 18:30:03 +0100 |
| commit | d550bbd40c0e10aefa05103dadbe0ae42e683707 (patch) | |
| tree | c1f32662f605f2b87c73901fbf66d12b2ca69b04 /arch/sparc/include/asm/cacheflush_32.h | |
| parent | e839ca528718e68cad32a307dc9aabf01ef3eb05 (diff) | |
Disintegrate asm/system.h for Sparc
Disintegrate asm/system.h for Sparc.
Signed-off-by: David Howells <dhowells@redhat.com>
cc: sparclinux@vger.kernel.org
Diffstat (limited to 'arch/sparc/include/asm/cacheflush_32.h')
| -rw-r--r-- | arch/sparc/include/asm/cacheflush_32.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/cacheflush_32.h b/arch/sparc/include/asm/cacheflush_32.h index 2e468773f250..68431b47a22a 100644 --- a/arch/sparc/include/asm/cacheflush_32.h +++ b/arch/sparc/include/asm/cacheflush_32.h @@ -83,4 +83,13 @@ extern void sparc_flush_page_to_ram(struct page *page); #define flush_cache_vmap(start, end) flush_cache_all() #define flush_cache_vunmap(start, end) flush_cache_all() +/* When a context switch happens we must flush all user windows so that + * the windows of the current process are flushed onto its stack. This + * way the windows are all clean for the next process and the stack + * frames are up to date. + */ +extern void flush_user_windows(void); +extern void kill_user_windows(void); +extern void flushw_all(void); + #endif /* _SPARC_CACHEFLUSH_H */ |