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powerpc/kernel: Open code HMT_MEDIUM_LOW_HAS_PPR 

HMT_MEDIUM_LOW_HAS_PPR is only used in once place, open code it.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Michael Ellerman 2015-11-25 14:25:17 +11:00
parent d6265aeaf8
commit d030a4b5eb
2 changed files with 5 additions and 6 deletions
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5
arch/powerpc/include/asm/ppc_asm.h
View File

@ -418,11 +418,6 @@ END_FTR_SECTION_IFCLR(CPU_FTR_601)
* PPR restore macros used in entry_64.S
* Used for P7 or later processors
*/
#define HMT_MEDIUM_LOW_HAS_PPR \
BEGIN_FTR_SECTION_NESTED(944) \
HMT_MEDIUM_LOW; \
END_FTR_SECTION_NESTED(CPU_FTR_HAS_PPR,CPU_FTR_HAS_PPR,944)
#define SET_DEFAULT_THREAD_PPR(ra, rb) \
BEGIN_FTR_SECTION_NESTED(945) \
lis ra,INIT_PPR@highest; /* default ppr=3 */ \

6
arch/powerpc/kernel/entry_64.S
View File

@ -223,7 +223,11 @@ END_FTR_SECTION_IFCLR(CPU_FTR_STCX_CHECKS_ADDRESS)
beq- 1f
ACCOUNT_CPU_USER_EXIT(r11, r12)
HMT_MEDIUM_LOW_HAS_PPR
BEGIN_FTR_SECTION
HMT_MEDIUM_LOW
END_FTR_SECTION_IFSET(CPU_FTR_HAS_PPR)
ld r13,GPR13(r1) /* only restore r13 if returning to usermode */
1: ld r2,GPR2(r1)
ld r1,GPR1(r1)