From: Guo Ren <guo...@linux.alibaba.com>
There is no user return for RESTORE_REGS_FTRACE, so it's no need to
save sp into ss0 as RESTORE_REGS_ALL.
Signed-off-by: Guo Ren <guo...@linux.alibaba.com>
Cc: Arnd Bergmann <a...@arndb.de>
---
arch/csky/abiv2/inc/abi/entry.h | 3 ---
1 file changed, 3 deletions(-)
diff --git a/arch/csky/abiv2/inc/abi/entry.h b/arch/csky/abiv2/inc/abi/entry.h
index 4fdd6c1..bedcc6f 100644
--- a/arch/csky/abiv2/inc/abi/entry.h
+++ b/arch/csky/abiv2/inc/abi/entry.h
@@ -136,8 +136,6 @@
.macro RESTORE_REGS_FTRACE
ldw tls, (sp, 0)
- ldw a0, (sp, 16)
- mtcr a0, ss0
#ifdef CONFIG_CPU_HAS_HILO
ldw a0, (sp, 140)
@@ -158,7 +156,6 @@
addi sp, 40
ldm r16-r30, (sp)
addi sp, 72
- mfcr sp, ss0
.endm
.macro SAVE_SWITCH_STACK
--
2.7.4
