[PATCH] make Linux bootable on ARM again
From: Russell King - ARM Linux <hidden>
Date: 2009-09-25 20:35:08
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On Fri, Sep 25, 2009 at 04:28:02PM -0400, Nicolas Pitre wrote:
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.
Catalin, can you please test your changes more thoroughly in future please?
quoted hunk ↗ jump to hunk
Signed-off-by: Nicolas Pitre <redacted> ---diff --git a/arch/arm/kernel/entry-header.S b/arch/arm/kernel/entry-header.S index e17e3c3..ac34c0d 100644 --- a/arch/arm/kernel/entry-header.S +++ b/arch/arm/kernel/entry-header.S@@ -83,6 +83,8 @@ ldr r0, [sp] strex r1, r2, [sp] @ clear the exclusive monitor ldmib sp, {r1 - pc}^ @ load r1 - pc, cpsr +#else + ldmia sp, {r0 - pc}^ @ load r0 - pc, cpsr #endif .endm_______________________________________________ linux-arm-kernel mailing list linux-arm-kernel at lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel