Since commit 06d67d54741a ("powerpc: make process.c suitable for both
32-bit and 64-bit"), thread.regs is set on task creation, no need to
set it again and again at each interrupt entry as it never change.
Suggested-by: Nicholas Piggin <npig...@gmail.com>
Signed-off-by: Christophe Leroy <christophe.le...@csgroup.eu>
---
arch/powerpc/kernel/entry_32.S | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S
index 79311d0bd09b..1e201fc4a590 100644
--- a/arch/powerpc/kernel/entry_32.S
+++ b/arch/powerpc/kernel/entry_32.S
@@ -97,10 +97,8 @@ transfer_to_handler:
stw r2,_XER(r11)
mfspr r12,SPRN_SPRG_THREAD
tovirt(r12, r12)
- beq 2f /* if from user, fix up THREAD.regs */
+ beq 2f
addi r2, r12, -THREAD
- addi r11,r1,STACK_FRAME_OVERHEAD
- stw r11,PT_REGS(r12)
#ifdef CONFIG_PPC_BOOK3S_32
kuep_lock r11, r12
#endif
@@ -147,7 +145,6 @@ transfer_to_syscall:
/* Calling convention has r9 = orig r0, r10 = regs */
addi r10,r1,STACK_FRAME_OVERHEAD
mr r9,r0
- stw r10,THREAD+PT_REGS(r2)
bl system_call_exception
ret_from_syscall:
--
2.25.0
