powerpc: Inline ppc64_runlatch_off

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>

diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index d8be016d2ede49e750ad68c478203afe7b45f9a7..ff0005eec7dd0d3d3c54946bcbf51cdfdf8bb569 100644 (file)
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -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);

diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 986fedf7e2783a397f2a4cc1faa2c5d150ca4170..b1c648a36b03cbc2d08104b30ccd21e14bf70644 100644 (file)
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -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