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

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Message-ID: <AANLkTin2H9=NWp5G6N6_e=bxBTh2eS1dbUxOjT6xX98C@mail.gmail.com>
Date:	Tue, 8 Mar 2011 11:44:01 +0100
From:	Sedat Dilek <sedat.dilek@...glemail.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>,
	Matthias Klose <doko@...ian.org>
Cc:	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?)

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...)

I am not sure if this is a problem of Debian's binutils snapshot from
binutils-2_21-branch (Debian-version: 2.21.0.20110302-1) from sid/i386
or this is only a problem for x86, but I just want to let you know.

FYI: The previous binutils (2.21.0.20110216-2) works fine.

I have tried with reverting the last two changes to
arch/x86/kernel/entry_32.S in linux-next:

"x86: Use {push,pop}_cfi in more places" (see [1])
"x86, asm: Cleanup unnecssary macros in asm-offsets.c" (see [2])

Reverting both or [1] or [2] breaks with Debians as (2.21.0.20110302-1).

BTW, [3] has a complete GIT history for the above file.

So, I am unsure from where the problem exactly aroses.
If this a known issue (and a fix around) or rings a bell to you, let
me and others know.

Thanks in advance.

Regards,
- Sedat -

[1] http://git.kernel.org/?p=linux/kernel/git/next/linux-next.git;a=commit;h=60cf637a13932a4750da6746efd0199e8a4c341b

[2] http://git.kernel.org/?p=linux/kernel/git/next/linux-next.git;a=commit;h=7bf04be8f48ceeeffa5b5a79734d6d6e0d59e5f8

[3] http://git.kernel.org/?p=linux/kernel/git/next/linux-next.git;a=history;f=arch/x86/kernel/entry_32.S;h=2878821cb8c1da1d7147b26271114fa9546afe03;hb=HEAD
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