xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[PATCH] sched: add cacheflush() asm

Browse Source 
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>
This commit is contained in:
Ingo Molnar
2006-01-12 01:05:27 -08:00
committed by Linus Torvalds
parent c6b44d10f2
commit 4dc7a0bbeb
16 changed files with 148 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
include/asm-sh/system.h
View File

@@ -57,6 +57,16 @@
last = __last; \
} while (0)
/*
* On SMP systems, when the scheduler does migration-cost autodetection,
* it needs a way to flush as much of the CPU's caches as possible.
*
* TODO: fill this in!
*/
static inline void sched_cacheflush(void)
{
}
#define nop() __asm__ __volatile__ ("nop")