diff options
Diffstat (limited to 'arch/powerpc/kernel/vdso64')
| -rw-r--r-- | arch/powerpc/kernel/vdso64/cacheflush.S | 2 | ||||
| -rw-r--r-- | arch/powerpc/kernel/vdso64/datapage.S | 3 | ||||
| -rw-r--r-- | arch/powerpc/kernel/vdso64/gettimeofday.S | 4 |
3 files changed, 8 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/vdso64/cacheflush.S b/arch/powerpc/kernel/vdso64/cacheflush.S index d4a0ad28d53..cb4ae0a5edd 100644 --- a/arch/powerpc/kernel/vdso64/cacheflush.S +++ b/arch/powerpc/kernel/vdso64/cacheflush.S @@ -35,6 +35,7 @@ V_FUNCTION_BEGIN(__kernel_sync_dicache) subf r8,r6,r4 /* compute length */ add r8,r8,r5 /* ensure we get enough */ srwi. r8,r8,7 /* compute line count */ + crclr cr0*4+so beqlr /* nothing to do? */ mtctr r8 mr r3,r6 @@ -58,6 +59,7 @@ V_FUNCTION_END(__kernel_sync_dicache) */ V_FUNCTION_BEGIN(__kernel_sync_dicache_p5) .cfi_startproc + crclr cr0*4+so sync isync li r3,0 diff --git a/arch/powerpc/kernel/vdso64/datapage.S b/arch/powerpc/kernel/vdso64/datapage.S index 6393e4137bc..3b2dd7d0c1e 100644 --- a/arch/powerpc/kernel/vdso64/datapage.S +++ b/arch/powerpc/kernel/vdso64/datapage.S @@ -54,12 +54,12 @@ V_FUNCTION_BEGIN(__kernel_get_syscall_map) .cfi_startproc mflr r12 .cfi_register lr,r12 - mr r4,r3 bl V_LOCAL_FUNC(__get_datapage) mtlr r12 addi r3,r3,CFG_SYSCALL_MAP64 cmpli cr0,r4,0 + crclr cr0*4+so beqlr li r0,__NR_syscalls stw r0,0(r4) @@ -80,6 +80,7 @@ V_FUNCTION_BEGIN(__kernel_get_tbfreq) bl V_LOCAL_FUNC(__get_datapage) ld r3,CFG_TB_TICKS_PER_SEC(r3) mtlr r12 + crclr cr0*4+so blr .cfi_endproc V_FUNCTION_END(__kernel_get_tbfreq) diff --git a/arch/powerpc/kernel/vdso64/gettimeofday.S b/arch/powerpc/kernel/vdso64/gettimeofday.S index 1a89094715c..ccaeda5136d 100644 --- a/arch/powerpc/kernel/vdso64/gettimeofday.S +++ b/arch/powerpc/kernel/vdso64/gettimeofday.S @@ -52,6 +52,7 @@ V_FUNCTION_BEGIN(__kernel_gettimeofday) stw r4,TZONE_TZ_MINWEST(r10) stw r5,TZONE_TZ_DSTTIME(r10) 1: mtlr r12 + crclr cr0*4+so li r3,0 /* always success */ blr .cfi_endproc @@ -99,6 +100,7 @@ V_FUNCTION_BEGIN(__kernel_clock_gettime) std r0,TSPC64_TV_NSEC(r11) /* store nsec in tp */ mtlr r12 + crclr cr0*4+so li r3,0 blr @@ -159,6 +161,7 @@ V_FUNCTION_BEGIN(__kernel_clock_gettime) std r7,TSPC64_TV_NSEC(r11) mtlr r12 + crclr cr0*4+so li r3,0 blr @@ -193,6 +196,7 @@ V_FUNCTION_BEGIN(__kernel_clock_getres) li r3,0 cmpli cr0,r4,0 + crclr cr0*4+so beqlr lis r5,CLOCK_REALTIME_RES@h ori r5,r5,CLOCK_REALTIME_RES@l |