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| author | Peter Zijlstra <peterz@infradead.org> | 2015-07-29 17:14:48 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-08-04 09:38:05 +0200 |
| commit | b31fdac2a921c8bf5ed9fe2c908625a54ce91e92 (patch) | |
| tree | 8bd5f5d5d57a5c615aed2604f43ad05859809877 /arch/sh | |
| parent | sched, score: Remove finish_arch_switch() (diff) | |
| download | linux-b31fdac2a921c8bf5ed9fe2c908625a54ce91e92.tar.xz linux-b31fdac2a921c8bf5ed9fe2c908625a54ce91e92.zip | |
sched, sh: Fold finish_arch_switch() into switch_to()
The code looks buggy; why would we be restoring the previous task's
DSP state after we've switched to the next task?
Fix that and put the restore in switch_to(), removing the need for
finish_arch_switch().
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Cc: michael@amarulasolutions.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/sh')
| -rw-r--r-- | arch/sh/include/asm/switch_to_32.h | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/arch/sh/include/asm/switch_to_32.h b/arch/sh/include/asm/switch_to_32.h index 0c065513e7ac..7661b4ba8259 100644 --- a/arch/sh/include/asm/switch_to_32.h +++ b/arch/sh/include/asm/switch_to_32.h @@ -78,6 +78,8 @@ do { \ \ if (is_dsp_enabled(prev)) \ __save_dsp(prev); \ + if (is_dsp_enabled(next)) \ + __restore_dsp(next); \ \ __ts1 = (u32 *)&prev->thread.sp; \ __ts2 = (u32 *)&prev->thread.pc; \ @@ -125,10 +127,4 @@ do { \ last = __last; \ } while (0) -#define finish_arch_switch(prev) \ -do { \ - if (is_dsp_enabled(prev)) \ - __restore_dsp(prev); \ -} while (0) - #endif /* __ASM_SH_SWITCH_TO_32_H */ |