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Diffstat (limited to 'arch/powerpc/kernel/entry_32.S')
-rw-r--r--arch/powerpc/kernel/entry_32.S25
1 files changed, 12 insertions, 13 deletions
diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S
index fc9dded9ac04..37b4396ca978 100644
--- a/arch/powerpc/kernel/entry_32.S
+++ b/arch/powerpc/kernel/entry_32.S
@@ -199,10 +199,9 @@ _GLOBAL(DoSyscall)
#ifdef SHOW_SYSCALLS
bl do_show_syscall
#endif /* SHOW_SYSCALLS */
- rlwinm r10,r1,0,0,18 /* current_thread_info() */
- lwz r11,TI_LOCAL_FLAGS(r10)
- rlwinm r11,r11,0,~_TIFL_FORCE_NOERROR
- stw r11,TI_LOCAL_FLAGS(r10)
+ rlwinm r10,r1,0,0,(31-THREAD_SHIFT) /* current_thread_info() */
+ li r11,0
+ stb r11,TI_SC_NOERR(r10)
lwz r11,TI_FLAGS(r10)
andi. r11,r11,_TIF_SYSCALL_T_OR_A
bne- syscall_dotrace
@@ -225,10 +224,10 @@ ret_from_syscall:
mr r6,r3
li r11,-_LAST_ERRNO
cmplw 0,r3,r11
- rlwinm r12,r1,0,0,18 /* current_thread_info() */
+ rlwinm r12,r1,0,0,(31-THREAD_SHIFT) /* current_thread_info() */
blt+ 30f
- lwz r11,TI_LOCAL_FLAGS(r12)
- andi. r11,r11,_TIFL_FORCE_NOERROR
+ lbz r11,TI_SC_NOERR(r12)
+ cmpwi r11,0
bne 30f
neg r3,r3
lwz r10,_CCR(r1) /* Set SO bit in CR */
@@ -315,7 +314,7 @@ syscall_exit_work:
LOAD_MSR_KERNEL(r10,MSR_KERNEL) /* doesn't include MSR_EE */
SYNC
MTMSRD(r10) /* disable interrupts again */
- rlwinm r12,r1,0,0,18 /* current_thread_info() */
+ rlwinm r12,r1,0,0,(31-THREAD_SHIFT) /* current_thread_info() */
lwz r9,TI_FLAGS(r12)
5:
andi. r0,r9,_TIF_NEED_RESCHED
@@ -630,7 +629,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_601)
.globl sigreturn_exit
sigreturn_exit:
subi r1,r3,STACK_FRAME_OVERHEAD
- rlwinm r12,r1,0,0,18 /* current_thread_info() */
+ rlwinm r12,r1,0,0,(31-THREAD_SHIFT) /* current_thread_info() */
lwz r9,TI_FLAGS(r12)
andi. r0,r9,_TIF_SYSCALL_T_OR_A
beq+ ret_from_except_full
@@ -657,7 +656,7 @@ ret_from_except:
user_exc_return: /* r10 contains MSR_KERNEL here */
/* Check current_thread_info()->flags */
- rlwinm r9,r1,0,0,18
+ rlwinm r9,r1,0,0,(31-THREAD_SHIFT)
lwz r9,TI_FLAGS(r9)
andi. r0,r9,(_TIF_SIGPENDING|_TIF_NEED_RESCHED)
bne do_work
@@ -677,7 +676,7 @@ restore_user:
/* N.B. the only way to get here is from the beq following ret_from_except. */
resume_kernel:
/* check current_thread_info->preempt_count */
- rlwinm r9,r1,0,0,18
+ rlwinm r9,r1,0,0,(31-THREAD_SHIFT)
lwz r0,TI_PREEMPT(r9)
cmpwi 0,r0,0 /* if non-zero, just restore regs and return */
bne restore
@@ -687,7 +686,7 @@ resume_kernel:
andi. r0,r3,MSR_EE /* interrupts off? */
beq restore /* don't schedule if so */
1: bl preempt_schedule_irq
- rlwinm r9,r1,0,0,18
+ rlwinm r9,r1,0,0,(31-THREAD_SHIFT)
lwz r3,TI_FLAGS(r9)
andi. r0,r3,_TIF_NEED_RESCHED
bne- 1b
@@ -889,7 +888,7 @@ recheck:
LOAD_MSR_KERNEL(r10,MSR_KERNEL)
SYNC
MTMSRD(r10) /* disable interrupts */
- rlwinm r9,r1,0,0,18
+ rlwinm r9,r1,0,0,(31-THREAD_SHIFT)
lwz r9,TI_FLAGS(r9)
andi. r0,r9,_TIF_NEED_RESCHED
bne- do_resched