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authorNicolas Pitre <nico@fluxnic.net>2009-09-25 16:28:02 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-26 13:06:53 -0400
commit9e6ec39becb02bda776eebf12c0677910d54b848 (patch)
treee94d071dd43eb203ff250989b63d730b5ac1840c /arch/arm
parent6d7f18f6ea3a13af95bdf507fc54d42b165e1712 (diff)
make Linux bootable on ARM again
Commit 200b812d00 "Clear the exclusive monitor when returning from an exception" broke the vast majority of ARM systems in the wild which are still pre ARMv6. The kernel is crashing on the first occurrence of an exception due to the removal of the actual return instruction for them. Let's add it back. Signed-off-by: Nicolas Pitre <nico@marvell.com> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/kernel/entry-header.S2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/kernel/entry-header.S b/arch/arm/kernel/entry-header.S
index e17e3c30d957..ac34c0d9384b 100644
--- a/arch/arm/kernel/entry-header.S
+++ b/arch/arm/kernel/entry-header.S
@@ -83,6 +83,8 @@
83 ldr r0, [sp] 83 ldr r0, [sp]
84 strex r1, r2, [sp] @ clear the exclusive monitor 84 strex r1, r2, [sp] @ clear the exclusive monitor
85 ldmib sp, {r1 - pc}^ @ load r1 - pc, cpsr 85 ldmib sp, {r1 - pc}^ @ load r1 - pc, cpsr
86#else
87 ldmia sp, {r0 - pc}^ @ load r0 - pc, cpsr
86#endif 88#endif
87 .endm 89 .endm
88 90