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-rw-r--r--arch/s390/kernel/head.S8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/s390/kernel/head.S b/arch/s390/kernel/head.S
index 1255c6c..1b0f624 100644
--- a/arch/s390/kernel/head.S
+++ b/arch/s390/kernel/head.S
@@ -26,6 +26,7 @@
#include <asm/asm-offsets.h>
#include <asm/thread_info.h>
#include <asm/page.h>
+#include <asm/ptrace.h>
#define ARCH_OFFSET 4
@@ -364,7 +365,7 @@ ENTRY(startup_kdump)
bras %r13,0f
.fill 16,4,0x0
0: lmh %r0,%r15,0(%r13) # clear high-order half of gprs
- sam31 # switch to 31 bit addressing mode
+ sam64 # switch to 64 bit addressing mode
basr %r13,0 # get base
.LPG0:
xc 0x200(256),0x200 # partially clear lowcore
@@ -395,7 +396,7 @@ ENTRY(startup_kdump)
jnz 1b
j 4f
2: l %r15,.Lstack-.LPG0(%r13)
- ahi %r15,-96
+ ahi %r15,-STACK_FRAME_OVERHEAD
la %r2,.Lals_string-.LPG0(%r13)
l %r3,.Lsclp_print-.LPG0(%r13)
basr %r14,%r3
@@ -429,8 +430,7 @@ ENTRY(startup_kdump)
.long 1, 0xc0000000
#endif
4:
- /* Continue with 64bit startup code in head64.S */
- sam64 # switch to 64 bit mode
+ /* Continue with startup code in head64.S */
jg startup_continue
.align 8
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