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powerpc: Inline ppc64_runlatch_off

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I'm sick of seeing ppc64_runlatch_off in our profiles, so inline it
into the callers. To avoid a mess of circular includes I didn't add
it as an inline function.

Signed-off-by: Anton Blanchard <anton@samba.org>
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Anton Blanchard 2010-08-06 03:28:19 +00:00 committed by Benjamin Herrenschmidt
parent 954e6da54b
commit 4138d65333
2 changed files with 14 additions and 9 deletions
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9
arch/powerpc/include/asm/reg.h
View file

@ -951,7 +951,14 @@
#ifdef CONFIG_PPC64
extern void ppc64_runlatch_on(void);
extern void ppc64_runlatch_off(void);
extern void __ppc64_runlatch_off(void);
#define ppc64_runlatch_off() \
do { \
if (cpu_has_feature(CPU_FTR_CTRL) && \
test_thread_flag(TIF_RUNLATCH)) \
__ppc64_runlatch_off(); \
} while (0)
extern unsigned long scom970_read(unsigned int address);
extern void scom970_write(unsigned int address, unsigned long value);

14
arch/powerpc/kernel/process.c
View file

@ -1199,19 +1199,17 @@ void ppc64_runlatch_on(void)
}
}
void ppc64_runlatch_off(void)
void __ppc64_runlatch_off(void)
{
unsigned long ctrl;
if (cpu_has_feature(CPU_FTR_CTRL) && test_thread_flag(TIF_RUNLATCH)) {
HMT_medium();
HMT_medium();
clear_thread_flag(TIF_RUNLATCH);
clear_thread_flag(TIF_RUNLATCH);
ctrl = mfspr(SPRN_CTRLF);
ctrl &= ~CTRL_RUNLATCH;
mtspr(SPRN_CTRLT, ctrl);
}
ctrl = mfspr(SPRN_CTRLF);
ctrl &= ~CTRL_RUNLATCH;
mtspr(SPRN_CTRLT, ctrl);
}
#endif