linux-kernel - Re: [PATCH] checkstack: use $UTS

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Date:	Tue, 8 Jul 2014 09:48:47 +0400
From:	Konstantin Khlebnikov <koct9i@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	x86@...nel.org,
	UML devel <user-mode-linux-devel@...ts.sourceforge.net>,
	linux-kbuild <linux-kbuild@...r.kernel.org>
Subject: Re: [PATCH] checkstack: use $UTS_MACHINE as target architecture

On Tue, Jul 8, 2014 at 2:05 AM, Andrew Morton <akpm@...ux-foundation.org> wrote:
> On Sat, 05 Jul 2014 15:22:38 +0400 Konstantin Khlebnikov <koct9i@...il.com> wrote:
>
>> This fixes command # make checkstack for i386/x86_64.
>> Looks like $UTS_MACHINE is exactly what scripts/checkstack.pl needs.
>>
>> By default $UTS_MACHINE is equal to $ARCH, but some arch/${ARCH}/Makefile
>> overrides it. This patch updates it also in arch/x86/Makefile.um
>>
>> broken in ffee0de ("x86: Default to ARCH=x86 to avoid overriding CONFIG_64BIT")
>
> The changelog doesn't describe the bug which is being fixed.  It should
> do so please.  If there are any compiler/make error messages then those
> should be included.
>

Oh, ok. checkstalk.pl needs either i386 or x86_64, x86 isn't enough.

$ make checkstack
objdump -d vmlinux $(find . -name '*.ko') | \
perl /home/blind/src/linux-stable/scripts/checkstack.pl x86
wrong or unknown architecture "x86"
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