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Date:	Sat, 18 Oct 2014 17:19:28 +0200
From:	Richard Weinberger <>
To:	Manfred Schlaegl <>,
	Jeff Dike <>
CC:	Daniel Walter <>,
	Randy Dunlap <>,,,
Subject: Re: [PATCH] um: Remove unused bp stack-frame pointer

Am 18.10.2014 um 17:12 schrieb Manfred Schlaegl:
> On 2014-10-18 16:42, Richard Weinberger wrote:
>> Am 18.10.2014 um 16:23 schrieb Manfred Schlaegl:
>>> The pointer to bp stack-frame is no longer used. Removed it.
>> Good catch!
> Thank you.
>>> This also removes a corresponding compiler-warning.
>> Which warning exactly?
> On "normal" (defconfig) builds the warning does not show up because CONFIG_FRAME_POINTER is set.
> I've found the unused bp because CONFIG_FRAME_POINTER was not set in my configuration.
>   CC      arch/um/kernel/sysrq.o
> arch/um/kernel/sysrq.c: In function ‘show_stack’:
> arch/um/kernel/sysrq.c:32:29: warning: unused variable ‘bp’ [-Wunused-variable]

Looks like my gcc need's an upgrade. :D

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