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authorLinus Torvalds <torvalds@linux-foundation.org>2009-03-19 14:56:35 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-03-19 14:56:35 -0700
commitcaa81d671f485dc54960e37a888d3b55349850a9 (patch)
treec7d483cc33e2c3f858fd2f4f4fd84bf02d333287 /arch/s390/kernel/mcount.S
parent2d8620cb880c796c9a9b59fe8d4ff37d726acfea (diff)
parent0fb1d9bcbcf701a45835aa150c57ca54ea685bfa (diff)
Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6
* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6: [S390] make page table upgrade work again [S390] make page table walking more robust [S390] Dont check for pfn_valid() in uaccess_pt.c [S390] ftrace/mcount: fix kernel stack backchain [S390] topology: define SD_MC_INIT to fix performance regression [S390] __div64_31 broken for CONFIG_MARCH_G5
Diffstat (limited to 'arch/s390/kernel/mcount.S')
-rw-r--r--arch/s390/kernel/mcount.S6
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/s390/kernel/mcount.S b/arch/s390/kernel/mcount.S
index 397d131a345f..80641224a095 100644
--- a/arch/s390/kernel/mcount.S
+++ b/arch/s390/kernel/mcount.S
@@ -5,6 +5,8 @@
*
*/
+#include <asm/asm-offsets.h>
+
#ifndef CONFIG_64BIT
.globl _mcount
_mcount:
@@ -14,7 +16,7 @@ _mcount:
ahi %r15,-96
l %r3,100(%r15)
la %r2,0(%r14)
- st %r1,0(%r15)
+ st %r1,__SF_BACKCHAIN(%r15)
la %r3,0(%r3)
bras %r14,0f
.long ftrace_trace_function
@@ -38,7 +40,7 @@ _mcount:
stg %r14,112(%r15)
lgr %r1,%r15
aghi %r15,-160
- stg %r1,0(%r15)
+ stg %r1,__SF_BACKCHAIN(%r15)
lgr %r2,%r14
lg %r3,168(%r15)
larl %r14,ftrace_trace_function