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authorIngo Molnar <mingo@elte.hu>2011-03-15 08:29:44 +0100
committerIngo Molnar <mingo@elte.hu>2011-03-15 08:29:44 +0100
commit8460b3e5bc64955aeefdd8357b3bf7b5ff79b3f2 (patch)
tree7e5f6d050b72ab08a4497e82a4a103fefb086e80 /arch/arm/kernel/head.S
parent56396e6823fe9b42fe9cf9403d6ed67756255f70 (diff)
parent521cb40b0c44418a4fd36dc633f575813d59a43d (diff)
Merge commit 'v2.6.38' into x86/mm
Conflicts: arch/x86/mm/numa_64.c Merge reason: Resolve the conflict, update the branch to .38. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/arm/kernel/head.S')
-rw-r--r--arch/arm/kernel/head.S38
1 files changed, 26 insertions, 12 deletions
diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S
index c0225da3fb21..f06ff9feb0db 100644
--- a/arch/arm/kernel/head.S
+++ b/arch/arm/kernel/head.S
@@ -391,6 +391,7 @@ ENDPROC(__turn_mmu_on)
#ifdef CONFIG_SMP_ON_UP
+ __INIT
__fixup_smp:
and r3, r9, #0x000f0000 @ architecture version
teq r3, #0x000f0000 @ CPU ID supported?
@@ -415,18 +416,7 @@ __fixup_smp_on_up:
sub r3, r0, r3
add r4, r4, r3
add r5, r5, r3
-2: cmp r4, r5
- movhs pc, lr
- ldmia r4!, {r0, r6}
- ARM( str r6, [r0, r3] )
- THUMB( add r0, r0, r3 )
-#ifdef __ARMEB__
- THUMB( mov r6, r6, ror #16 ) @ Convert word order for big-endian.
-#endif
- THUMB( strh r6, [r0], #2 ) @ For Thumb-2, store as two halfwords
- THUMB( mov r6, r6, lsr #16 ) @ to be robust against misaligned r3.
- THUMB( strh r6, [r0] )
- b 2b
+ b __do_fixup_smp_on_up
ENDPROC(__fixup_smp)
.align
@@ -440,7 +430,31 @@ smp_on_up:
ALT_SMP(.long 1)
ALT_UP(.long 0)
.popsection
+#endif
+ .text
+__do_fixup_smp_on_up:
+ cmp r4, r5
+ movhs pc, lr
+ ldmia r4!, {r0, r6}
+ ARM( str r6, [r0, r3] )
+ THUMB( add r0, r0, r3 )
+#ifdef __ARMEB__
+ THUMB( mov r6, r6, ror #16 ) @ Convert word order for big-endian.
#endif
+ THUMB( strh r6, [r0], #2 ) @ For Thumb-2, store as two halfwords
+ THUMB( mov r6, r6, lsr #16 ) @ to be robust against misaligned r3.
+ THUMB( strh r6, [r0] )
+ b __do_fixup_smp_on_up
+ENDPROC(__do_fixup_smp_on_up)
+
+ENTRY(fixup_smp)
+ stmfd sp!, {r4 - r6, lr}
+ mov r4, r0
+ add r5, r0, r1
+ mov r3, #0
+ bl __do_fixup_smp_on_up
+ ldmfd sp!, {r4 - r6, pc}
+ENDPROC(fixup_smp)
#include "head-common.S"