diff options
author | Ingo Molnar <mingo@elte.hu> | 2006-01-12 04:05:27 -0500 |
---|---|---|
committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-12 12:08:49 -0500 |
commit | 4dc7a0bbeb6882ad665e588e82fabe5bb4645f2f (patch) | |
tree | 8c034f802157d7f449e76f45086c0e13e0ea4711 /include/asm-sparc/system.h | |
parent | c6b44d10f25e5a93eca5135b686a35775c63546e (diff) |
[PATCH] sched: add cacheflush() asm
Add per-arch sched_cacheflush() which is a write-back cacheflush used by
the migration-cost calibration code at bootup time.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/asm-sparc/system.h')
-rw-r--r-- | include/asm-sparc/system.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/asm-sparc/system.h b/include/asm-sparc/system.h index 1f6b71f9e1b6..52fe2e464e15 100644 --- a/include/asm-sparc/system.h +++ b/include/asm-sparc/system.h | |||
@@ -166,6 +166,16 @@ extern void fpsave(unsigned long *fpregs, unsigned long *fsr, | |||
166 | } while(0) | 166 | } while(0) |
167 | 167 | ||
168 | /* | 168 | /* |
169 | * On SMP systems, when the scheduler does migration-cost autodetection, | ||
170 | * it needs a way to flush as much of the CPU's caches as possible. | ||
171 | * | ||
172 | * TODO: fill this in! | ||
173 | */ | ||
174 | static inline void sched_cacheflush(void) | ||
175 | { | ||
176 | } | ||
177 | |||
178 | /* | ||
169 | * Changing the IRQ level on the Sparc. | 179 | * Changing the IRQ level on the Sparc. |
170 | */ | 180 | */ |
171 | extern void local_irq_restore(unsigned long); | 181 | extern void local_irq_restore(unsigned long); |