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authorVineet Gupta <vgupta@synopsys.com>2013-05-27 18:29:16 +0530
committerVineet Gupta <vgupta@synopsys.com>2013-06-22 19:23:21 +0530
commitbed30976e7f1077c105306597ef05895234ba600 (patch)
tree24a1f2fd2240a76b7437c68d96023e5c2a02bebe /arch/arc
parent3e1ae441886b82fbf605f37ac0756b811d55f3d5 (diff)
ARC: pt_regs update #0: remove kernel stack canary
This stack slot is going to be used in subsequent commits Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc')
-rw-r--r--arch/arc/include/asm/entry.h18
1 files changed, 0 insertions, 18 deletions
diff --git a/arch/arc/include/asm/entry.h b/arch/arc/include/asm/entry.h
index eb2ae53187d9..5bbec8ad8123 100644
--- a/arch/arc/include/asm/entry.h
+++ b/arch/arc/include/asm/entry.h
@@ -326,10 +326,6 @@
/* With current tsk in r9, get it's kernel mode stack base */
GET_TSK_STACK_BASE r9, r9
-#ifdef PT_REGS_CANARY
- st 0xabcdabcd, [r9, 0]
-#endif
-
/* Save Pre Intr/Exception User SP on kernel stack */
st.a sp, [r9, -12] ; Make room for orig_r0 and orig_r8
@@ -437,11 +433,6 @@
lr r9, [erbta]
st.a r9, [sp, -4]
-#ifdef PT_REGS_CANARY
- mov r9, 0xdeadbeef
- st r9, [sp, -4]
-#endif
-
/* move up by 1 word to "create" pt_regs->"stack_place_holder" */
sub sp, sp, 4
.endm
@@ -540,10 +531,6 @@
lr r9, [bta_l1]
st.a r9, [sp, -4]
-#ifdef PT_REGS_CANARY
- mov r9, 0xdeadbee1
- st r9, [sp, -4]
-#endif
/* move up by 1 word to "create" pt_regs->"stack_place_holder" */
sub sp, sp, 4
.endm
@@ -575,11 +562,6 @@
lr r9, [bta_l2]
st.a r9, [sp, -4]
-#ifdef PT_REGS_CANARY
- mov r9, 0xdeadbee2
- st r9, [sp, -4]
-#endif
-
/* move up by 1 word to "create" pt_regs->"stack_place_holder" */
sub sp, sp, 4
.endm