lkml.org 
[lkml]   [2009]   [Sep]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] make Linux bootable on ARM again
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?

>
> Signed-off-by: Nicolas Pitre <nico@marvell.com>
> ---
>
> 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@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel


\
 
 \ /
  Last update: 2009-09-25 22:37    [from the cache]
©2003-2011 Jasper Spaans