powerpc/kernel: Open code HMT_MEDIUM_LOW_HAS_PPR
authorMichael Ellerman <mpe@ellerman.id.au>
Wed, 25 Nov 2015 03:25:17 +0000 (14:25 +1100)
committerMichael Ellerman <mpe@ellerman.id.au>
Thu, 17 Dec 2015 11:40:57 +0000 (22:40 +1100)
HMT_MEDIUM_LOW_HAS_PPR is only used in once place, open code it.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
arch/powerpc/include/asm/ppc_asm.h
arch/powerpc/kernel/entry_64.S

index dd0fc18..67f05d4 100644 (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 */             \
index c8b4225..651a655 100644 (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)