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

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Message-ID: <CAFLxGvzxvuizdHyjQ0SjUm8jJcj=w+qS5ut-u76Xo-m2sftvvw@mail.gmail.com>
Date:	Tue, 8 Jul 2014 10:01:33 +0200
From:	Richard Weinberger <richard.weinberger@...il.com>
To:	Konstantin Khlebnikov <koct9i@...il.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	"x86@...nel.org" <x86@...nel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	UML devel <user-mode-linux-devel@...ts.sourceforge.net>,
	linux-kbuild <linux-kbuild@...r.kernel.org>
Subject: Re: [uml-devel] [PATCH] checkstack: use $UTS_MACHINE as target architecture

On Tue, Jul 8, 2014 at 7:48 AM, Konstantin Khlebnikov <koct9i@...il.com> wrote:
> 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"

And now we need ARCH, SUBARCH and UTS_MACHINE on UML? :-(

-- 
Thanks,
//richard
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