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authorGuo Ren <guoren@linux.alibaba.com>2020-07-28 19:18:54 +0300
committerGuo Ren <guoren@linux.alibaba.com>2020-07-31 04:51:48 +0300
commitf788bb2fb915a79eae0a160580766ba52984d61f (patch)
tree92ab5442e1ba21347b9f384a93cea7b0f5cad891 /arch/csky/abiv2
parent8077e66bc381988d0ef6f60d2eb71d8812b26333 (diff)
downloadlinux-f788bb2fb915a79eae0a160580766ba52984d61f.tar.xz
csky: Fixup duplicated restore sp in RESTORE_REGS_FTRACE
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 <guoren@linux.alibaba.com> Cc: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/csky/abiv2')
-rw-r--r--arch/csky/abiv2/inc/abi/entry.h3
1 files changed, 0 insertions, 3 deletions
diff --git a/arch/csky/abiv2/inc/abi/entry.h b/arch/csky/abiv2/inc/abi/entry.h
index 4fdd6c12e7ff..bedcc6f06bba 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