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authorHeiko Carstens <heiko.carstens@de.ibm.com>2011-01-12 09:55:28 +0100
committerMartin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com>2011-01-12 09:55:25 +0100
commit9887a1fcddef1386d3387edf6497d08670460edb (patch)
treec586ef2f1053acbb71c837ed5b46cbfe32bf7263 /arch/s390/include
parentdf1ca53cba34b1d40a4ed47907d71397e4ee72c2 (diff)
downloadlinux-linaro-android-9887a1fcddef1386d3387edf6497d08670460edb.tar.gz
[S390] Randomize lower bits of stack address
Randomize the lower bits of the stack address like x86 and powerpc. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include')
-rw-r--r--arch/s390/include/asm/system.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/include/asm/system.h b/arch/s390/include/asm/system.h
index 6710b0eac16..8f8d759f6a7 100644
--- a/arch/s390/include/asm/system.h
+++ b/arch/s390/include/asm/system.h
@@ -449,7 +449,7 @@ extern void (*_machine_restart)(char *command);
extern void (*_machine_halt)(void);
extern void (*_machine_power_off)(void);
-#define arch_align_stack(x) (x)
+extern unsigned long arch_align_stack(unsigned long sp);
static inline int tprot(unsigned long addr)
{