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authorRussell King <rmk+kernel@arm.linux.org.uk>2011-07-23 00:09:07 +0200
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-07-23 00:09:07 +0200
commit3ad55155b222f2a901405dea20ff7c68828ecd92 (patch)
tree53b24c981387b037084a333dc5ae23be8e82ef4a /arch/arm/kernel/entry-header.S
parentMerge branches 'btc', 'dma', 'entry', 'fixes', 'linker-layout', 'misc', 'mmci... (diff)
parentARM: Fix build errors caused by adding generic macros (diff)
downloadlinux-3ad55155b222f2a901405dea20ff7c68828ecd92.tar.xz
linux-3ad55155b222f2a901405dea20ff7c68828ecd92.zip
Merge branch 'devel-stable' into for-next
Conflicts: arch/arm/kernel/entry-armv.S
Diffstat (limited to 'arch/arm/kernel/entry-header.S')
-rw-r--r--arch/arm/kernel/entry-header.S12
1 files changed, 5 insertions, 7 deletions
diff --git a/arch/arm/kernel/entry-header.S b/arch/arm/kernel/entry-header.S
index 4d6ad8348e89..9a8531eadd3d 100644
--- a/arch/arm/kernel/entry-header.S
+++ b/arch/arm/kernel/entry-header.S
@@ -121,15 +121,13 @@
.endm
#else /* CONFIG_THUMB2_KERNEL */
.macro svc_exit, rpsr
+ ldr lr, [sp, #S_SP] @ top of the stack
+ ldrd r0, r1, [sp, #S_LR] @ calling lr and pc
clrex @ clear the exclusive monitor
- ldr r0, [sp, #S_SP] @ top of the stack
- ldr r1, [sp, #S_PC] @ return address
- tst r0, #4 @ orig stack 8-byte aligned?
- stmdb r0, {r1, \rpsr} @ rfe context
+ stmdb lr!, {r0, r1, \rpsr} @ calling lr and rfe context
ldmia sp, {r0 - r12}
- ldr lr, [sp, #S_LR]
- addeq sp, sp, #S_FRAME_SIZE - 8 @ aligned
- addne sp, sp, #S_FRAME_SIZE - 4 @ not aligned
+ mov sp, lr
+ ldr lr, [sp], #4
rfeia sp!
.endm