summaryrefslogtreecommitdiff
path: root/arch/arm/kernel/entry-common.S
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2009-03-31 01:53:32 +0400
committerIngo Molnar <mingo@elte.hu>2009-03-31 01:53:32 +0400
commit65fb0d23fcddd8697c871047b700c78817bdaa43 (patch)
tree119e6e5f276622c4c862f6c9b6d795264ba1603a /arch/arm/kernel/entry-common.S
parent8c083f081d0014057901c68a0a3e0f8ca7ac8d23 (diff)
parentdfbbe89e197a77f2c8046a51c74e33e35f878080 (diff)
downloadlinux-65fb0d23fcddd8697c871047b700c78817bdaa43.tar.xz
Merge branch 'linus' into cpumask-for-linus
Conflicts: arch/x86/kernel/cpu/common.c
Diffstat (limited to 'arch/arm/kernel/entry-common.S')
-rw-r--r--arch/arm/kernel/entry-common.S8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S
index 49a6ba926c2b..b55cb0331809 100644
--- a/arch/arm/kernel/entry-common.S
+++ b/arch/arm/kernel/entry-common.S
@@ -11,6 +11,7 @@
#include <asm/unistd.h>
#include <asm/ftrace.h>
#include <mach/entry-macro.S>
+#include <asm/unwind.h>
#include "entry-header.S"
@@ -22,6 +23,8 @@
* stack.
*/
ret_fast_syscall:
+ UNWIND(.fnstart )
+ UNWIND(.cantunwind )
disable_irq @ disable interrupts
ldr r1, [tsk, #TI_FLAGS]
tst r1, #_TIF_WORK_MASK
@@ -38,6 +41,7 @@ ret_fast_syscall:
mov r0, r0
add sp, sp, #S_FRAME_SIZE - S_PC
movs pc, lr @ return & move spsr_svc into cpsr
+ UNWIND(.fnend )
/*
* Ok, we need to do extra processing, enter the slow path.
@@ -111,6 +115,7 @@ ENTRY(mcount)
.globl mcount_call
mcount_call:
bl ftrace_stub
+ ldr lr, [fp, #-4] @ restore lr
ldmia sp!, {r0-r3, pc}
ENTRY(ftrace_caller)
@@ -122,6 +127,7 @@ ENTRY(ftrace_caller)
.globl ftrace_call
ftrace_call:
bl ftrace_stub
+ ldr lr, [fp, #-4] @ restore lr
ldmia sp!, {r0-r3, pc}
#else
@@ -133,6 +139,7 @@ ENTRY(mcount)
adr r0, ftrace_stub
cmp r0, r2
bne trace
+ ldr lr, [fp, #-4] @ restore lr
ldmia sp!, {r0-r3, pc}
trace:
@@ -141,6 +148,7 @@ trace:
sub r0, r0, #MCOUNT_INSN_SIZE
mov lr, pc
mov pc, r2
+ mov lr, r1 @ restore lr
ldmia sp!, {r0-r3, pc}
#endif /* CONFIG_DYNAMIC_FTRACE */