linux-kernel - Re: linux-next: Tree for March 8 (BROKEN: arch/x86/kernel/entry

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Message-ID: <AANLkTiknsT1iQzUQ_oBiOORaqWBFyk2BaLq_xu9C5E_G@mail.gmail.com>
Date:	Tue, 8 Mar 2011 16:42:13 +0100
From:	Sedat Dilek <sedat.dilek@...glemail.com>
To:	"H.J. Lu" <hjl.tools@...il.com>
Cc:	Stephen Rothwell <sfr@...b.auug.org.au>,
	Matthias Klose <doko@...ian.org>,
	linux-next <linux-next@...r.kernel.org>,
	debian-gcc <debian-gcc@...ts.debian.org>,
	binutils <binutils@...rceware.org>, psomas@...ab.ece.ntua.gr,
	JBeulich@...ell.com, Ingo Molnar <mingo@...e.hu>,
	"H. Peter Anvin" <hpa@...or.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: linux-next: Tree for March 8 (BROKEN: arch/x86/kernel/entry_32.S?
 Debian's binutils/as?)

On 3/8/11, Sedat Dilek <sedat.dilek@...glemail.com> wrote:
> On 3/8/11, H.J. Lu <hjl.tools@...il.com> wrote:
>> On Tue, Mar 8, 2011 at 2:44 AM, Sedat Dilek <sedat.dilek@...glemail.com>
>> wrote:
>>> Hi,
>>>
>>> my build of linux-next (next-20110308, the same with the one from
>>> yesterday) is broken.
>>> (I translated the German output.)
>>>
>>> [ build.log ]
>>>  AS      arch/x86/kernel/entry_32.o
>>> /home/sd/src/linux-2.6/linux-2.6.38-rc7/debian/build/source_i386_none/arch/x86/kernel/entry_32.S:
>>> Assembler messages:
>>> /home/sd/src/linux-2.6/linux-2.6.38-rc7/debian/build/source_i386_none/arch/x86/kernel/entry_32.S:1421:
>>> Error: .size expression does not evaluate to a constant
>>> make[6]: *** [arch/x86/kernel/entry_32.o] Fehler 1 (Error 1)
>>> make[5]: *** [arch/x86/kernel] Fehler 2 (Error 2)
>>> make[4]: *** [arch/x86] Fehler 2 (Error 2)
>>> make[4]: *** Warte auf noch nicht beendete Prozesse... (Waiting for
>>> unfinished jobs...)
>>>
>>
>> This is a kernel bug.  Please use the latest binutils from CVS.
>> It will tell you which symbol causes this.
>>
>>
>> --
>> H.J.
>>
>
> Yeah, I have cherry-picked these two upstream commits before you have
> mentionned it...
>
> 0001-Mention-symbol-name-in-non-constant-.size-expression.patch
>        (Cherry-picked from commit b9521fc0be7945fc842ce1197e241a023378125d)
> 0002-Revert-the-last-change-on-gas-elf-bad-size.err.patch
>        (Cherry-picked from commit cbd141bb69f791de7ea1581abe7afb34f0c61288)
>
> ... and have built with them a new binutils Debian package.
>
> The error looks now like this (sorry for the German output):
> ...
>   AS      arch/x86/kernel/entry_32.o
> /home/sd/src/linux-2.6/linux-2.6.38-rc7/debian/build/source_i386_none/arch/x86/kernel/entry_32.S:
> Assembler messages:
> /home/sd/src/linux-2.6/linux-2.6.38-rc7/debian/build/source_i386_none/arch/x86/kernel/entry_32.S:1421:
> Error: .size expression with symbol `apf_page_fault' does not evaluate
> to a constant
> make[6]: *** [arch/x86/kernel/entry_32.o] Fehler 1
> make[5]: *** [arch/x86/kernel] Fehler 2
> make[5]: *** Warte auf noch nicht beendete Prozesse...
>
> Anyway, before more riddling around it would be very helpful to have a
> clear pointer if there is a fix around... That building, testing and
> installing took me now several hours.
> And... yeah, backports to 2.21-branch appreciated.
>
> - Sedat -
>

After a quick look into the source, it seems attached patch fixes the issue.
Is that OK?

- Sedat -

View attachment "0001-x86-Fix-build-failure-with-binutils-as-from-upstream.patch" of type "text/x-patch" (940 bytes)