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Subject[PATCH v1 6/8] powerpc/32: Simplify EXCEPTION_PROLOG_1 macro
Date
Make code more readable with a clear CONFIG_VMAP_STACK
section and a clear non CONFIG_VMAP_STACK section.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
---
arch/powerpc/kernel/head_32.h | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/arch/powerpc/kernel/head_32.h b/arch/powerpc/kernel/head_32.h
index 7c767765071d..5e3393122d29 100644
--- a/arch/powerpc/kernel/head_32.h
+++ b/arch/powerpc/kernel/head_32.h
@@ -46,18 +46,16 @@
mfspr r1,SPRN_SPRG_THREAD
lwz r1,TASK_STACK-THREAD(r1)
addi r1, r1, THREAD_SIZE - INT_FRAME_SIZE
+1:
+ mtcrf 0x7f, r1
+ bt 32 - THREAD_ALIGN_SHIFT, stack_overflow
#else
subi r11, r1, INT_FRAME_SIZE /* use r1 if kernel */
beq 1f
mfspr r11,SPRN_SPRG_THREAD
lwz r11,TASK_STACK-THREAD(r11)
addi r11, r11, THREAD_SIZE - INT_FRAME_SIZE
-#endif
-1:
- tophys_novmstack r11, r11
-#ifdef CONFIG_VMAP_STACK
- mtcrf 0x7f, r1
- bt 32 - THREAD_ALIGN_SHIFT, stack_overflow
+1: tophys(r11, r11)
#endif
.endm

--
2.25.0
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