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powerpc/64s/idle: Move soft interrupt mask logic into C code

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This simplifies the asm and fixes irq-off tracing over sleep
instructions.

Also move powersave_nap check for POWER8 into C code, and move
PSSCR register value calculation for POWER9 into C.

Reviewed-by: Gautham R. Shenoy <ego@linux.vnet.ibm.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Nicholas Piggin
2017-06-13 23:05:45 +10:00
committed by Michael Ellerman
parent 42bed04255
commit 2201f994a5
9 changed files with 128 additions and 89 deletions
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1
arch/powerpc/include/asm/machdep.h
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@@ -226,6 +226,7 @@ struct machdep_calls {
extern void e500_idle(void);
extern void power4_idle(void);
extern void power7_idle(void);
extern void power9_idle(void);
extern void ppc6xx_idle(void);
extern void book3e_idle(void);