linux-kernel - Re: [PATCH resend 4/5] score: Fix exception handler label

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Date:	Wed, 6 May 2015 10:00:43 +0800
From:	Lennox Wu <lennox.wu@...il.com>
To:	Guenter Roeck <linux@...ck-us.net>
Cc:	open list <linux-kernel@...r.kernel.org>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Quentin Casasnovas <quentin.casasnovas@...cle.com>,
	Chen Liqin <liqin.linux@...il.com>
Subject: Re: [PATCH resend 4/5] score: Fix exception handler label

Hi Roeck,
You are right! I will push the patch.
Thank you.

Acked-by: Lennox Wu <lennox.wu@...il.com>

2015-05-05 6:30 GMT+08:00 Guenter Roeck <linux@...ck-us.net>:
> The latest version of modinfo fails to compile score architecture
> targets with the following error.
>
> FATAL: The relocation at __ex_table+0x634 references
> section "__ex_table" which is not executable, IOW
> the kernel will fault if it ever tries to
> jump to it.  Something is seriously wrong
> and should be fixed.
>
> The probem is caused by a bad label in an __ex_table entry.
>
> Cc: Quentin Casasnovas <quentin.casasnovas@...cle.com>
> Signed-off-by: Guenter Roeck <linux@...ck-us.net>
> ---
> Please consider pushing this patch into mainline, or provide feedback
> on how to improve it to be acceptable.
>
>  arch/score/lib/string.S | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/score/lib/string.S b/arch/score/lib/string.S
> index 00b7d3a2fc60..16efa3ad037f 100644
> --- a/arch/score/lib/string.S
> +++ b/arch/score/lib/string.S
> @@ -175,10 +175,10 @@ ENTRY(__clear_user)
>         br      r3
>
>         .section .fixup, "ax"
> +99:
>         br      r3
>         .previous
>         .section __ex_table, "a"
>         .align  2
> -99:
>         .word   0b, 99b
>         .previous
> --
> 2.1.0
>
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