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-rw-r--r--arch/powerpc/kernel/entry_64.S37
1 files changed, 12 insertions, 25 deletions
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index 194e46d..d180caf2 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -49,8 +49,6 @@ exception_marker:
.section ".text"
.align 7
-#undef SHOW_SYSCALLS
-
.globl system_call_common
system_call_common:
andi. r10,r12,MSR_PR
@@ -142,16 +140,9 @@ END_FW_FTR_SECTION_IFSET(FW_FEATURE_SPLPAR)
li r10,1
std r10,SOFTE(r1)
-#ifdef SHOW_SYSCALLS
- bl do_show_syscall
- REST_GPR(0,r1)
- REST_4GPRS(3,r1)
- REST_2GPRS(7,r1)
- addi r9,r1,STACK_FRAME_OVERHEAD
-#endif
CURRENT_THREAD_INFO(r11, r1)
ld r10,TI_FLAGS(r11)
- andi. r11,r10,_TIF_SYSCALL_T_OR_A
+ andi. r11,r10,_TIF_SYSCALL_DOTRACE
bne syscall_dotrace
.Lsyscall_dotrace_cont:
cmpldi 0,r0,NR_syscalls
@@ -178,12 +169,8 @@ system_call: /* label this so stack traces look sane */
mtctr r12
bctrl /* Call handler */
-syscall_exit:
+.Lsyscall_exit:
std r3,RESULT(r1)
-#ifdef SHOW_SYSCALLS
- bl do_show_syscall_exit
- ld r3,RESULT(r1)
-#endif
CURRENT_THREAD_INFO(r12, r1)
ld r8,_MSR(r1)
@@ -214,7 +201,7 @@ syscall_exit:
ld r9,TI_FLAGS(r12)
li r11,-_LAST_ERRNO
- andi. r0,r9,(_TIF_SYSCALL_T_OR_A|_TIF_SINGLESTEP|_TIF_USER_WORK_MASK|_TIF_PERSYSCALL_MASK)
+ andi. r0,r9,(_TIF_SYSCALL_DOTRACE|_TIF_SINGLESTEP|_TIF_USER_WORK_MASK|_TIF_PERSYSCALL_MASK)
bne- syscall_exit_work
cmpld r3,r11
ld r5,_CCR(r1)
@@ -270,7 +257,7 @@ syscall_dotrace:
syscall_enosys:
li r3,-ENOSYS
- b syscall_exit
+ b .Lsyscall_exit
syscall_exit_work:
#ifdef CONFIG_PPC_BOOK3S
@@ -307,7 +294,7 @@ syscall_exit_work:
4: /* Anything else left to do? */
SET_DEFAULT_THREAD_PPR(r3, r10) /* Set thread.ppr = 3 */
- andi. r0,r9,(_TIF_SYSCALL_T_OR_A|_TIF_SINGLESTEP)
+ andi. r0,r9,(_TIF_SYSCALL_DOTRACE|_TIF_SINGLESTEP)
beq ret_from_except_lite
/* Re-enable interrupts */
@@ -347,33 +334,33 @@ _GLOBAL(save_nvgprs)
_GLOBAL(ppc_fork)
bl save_nvgprs
bl sys_fork
- b syscall_exit
+ b .Lsyscall_exit
_GLOBAL(ppc_vfork)
bl save_nvgprs
bl sys_vfork
- b syscall_exit
+ b .Lsyscall_exit
_GLOBAL(ppc_clone)
bl save_nvgprs
bl sys_clone
- b syscall_exit
+ b .Lsyscall_exit
_GLOBAL(ppc32_swapcontext)
bl save_nvgprs
bl compat_sys_swapcontext
- b syscall_exit
+ b .Lsyscall_exit
_GLOBAL(ppc64_swapcontext)
bl save_nvgprs
bl sys_swapcontext
- b syscall_exit
+ b .Lsyscall_exit
_GLOBAL(ret_from_fork)
bl schedule_tail
REST_NVGPRS(r1)
li r3,0
- b syscall_exit
+ b .Lsyscall_exit
_GLOBAL(ret_from_kernel_thread)
bl schedule_tail
@@ -385,7 +372,7 @@ _GLOBAL(ret_from_kernel_thread)
#endif
blrl
li r3,0
- b syscall_exit
+ b .Lsyscall_exit
/*
* This routine switches between two different tasks. The process
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