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From: Kees Cook <keescook@chromium.org>
To: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@elte.hu>,
	"H. Peter Anvin" <hpa@zytor.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Linux Next Mailing List <linux-next@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: linux-next: build warning after merge of the tip tree
Date: Wed, 14 Oct 2020 16:10:05 -0700
Message-ID: <202010141607.E9A032C686@keescook> (raw)
In-Reply-To: <20201015092526.144df583@canb.auug.org.au>

On Thu, Oct 15, 2020 at 09:25:26AM +1100, Stephen Rothwell wrote:
> Hi Kees,
> 
> On Sun, 4 Oct 2020 19:44:52 -0700 Kees Cook <keescook@chromium.org> wrote:
> >
> > On Sun, Oct 04, 2020 at 09:00:18PM +1100, Stephen Rothwell wrote:
> > > Hi Kees,
> > > 
> > > On Sun, 4 Oct 2020 01:27:01 -0700 Kees Cook <keescook@chromium.org> wrote:  
> > > >
> > > > I assume CONFIG_CONSTRUCTORS is enabled for your build (it should be for  
> > > 
> > > yes, indeed.
> > >   
> > > > allmodconfig). Does this patch fix it? (I'm kind of blindly guessing
> > > > based on my understanding of where this could be coming from...)
> > > > 
> > > > 
> > > > diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
> > > > index e1843976754a..22f14956214a 100644
> > > > --- a/include/asm-generic/vmlinux.lds.h
> > > > +++ b/include/asm-generic/vmlinux.lds.h
> > > > @@ -701,6 +701,7 @@
> > > >  #ifdef CONFIG_CONSTRUCTORS
> > > >  #define KERNEL_CTORS()	. = ALIGN(8);			   \
> > > >  			__ctors_start = .;		   \
> > > > +			KEEP(*(SORT(.ctors.*)))		   \
> > > >  			KEEP(*(.ctors))			   \
> > > >  			KEEP(*(SORT(.init_array.*)))	   \
> > > >  			KEEP(*(.init_array))		   \  
> > > 
> > > And that makes the messages go away.  
> > 
> > Okay then! Thanks for testing. :) I'm not sure why the ppc-hosted
> > compiler generates those. Regardless, I'll send a proper patch...
> 
> I get these warnings from Linus' tree now ...

I've pinged the thread of the patch (from Oct 4th) that fixes this.
Hopefully that or this email will float to the top for an x86
maintainer. :) If it doesn't get picked up soon, I can try sending this
direct to Linus, though it makes more sense that it come through Ingo
(as he'd done the orphan tree pull request).

-- 
Kees Cook

  reply index

Thread overview: 137+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-14  3:22 Stephen Rothwell
2020-09-14 20:11 ` Kees Cook
2020-09-14 22:35   ` Stephen Rothwell
2020-10-01 11:02     ` Stephen Rothwell
2020-10-02 22:46       ` Kees Cook
2020-10-03 21:54 ` Kees Cook
2020-10-03 23:24   ` Stephen Rothwell
2020-10-04  7:42     ` Kees Cook
2020-10-04  8:27     ` Kees Cook
2020-10-04 10:00       ` Stephen Rothwell
2020-10-05  2:44         ` Kees Cook
2020-10-14 22:25           ` Stephen Rothwell
2020-10-14 23:10             ` Kees Cook [this message]
2020-10-15  0:19               ` Stephen Rothwell
  -- strict thread matches above, loose matches on Subject: below --
2020-11-05  7:06 Stephen Rothwell
2020-11-06  4:35 ` Stephen Rothwell
2020-10-28  3:23 Stephen Rothwell
2020-11-15 22:17 ` Stephen Rothwell
2020-11-15 22:23 ` Balbir Singh
2020-11-17  5:21   ` Balbir Singh
2020-11-23  7:23     ` Stephen Rothwell
2020-10-08  4:28 Stephen Rothwell
2020-10-08  9:02 ` Borislav Petkov
2020-09-25  9:36 Stephen Rothwell
2020-05-21 11:56 Stephen Rothwell
2020-05-19  6:57 Stephen Rothwell
2020-05-19  7:12 ` Steve French
2020-04-28  6:29 Stephen Rothwell
2020-03-30  2:47 Stephen Rothwell
2020-03-31 21:57 ` Stephen Rothwell
2020-04-01 10:25   ` Thomas Gleixner
2020-04-01 22:00     ` Stephen Rothwell
2020-04-01 22:39       ` Thomas Gleixner
2020-04-13  0:01         ` Stephen Rothwell
2020-04-14  8:42           ` Thomas Gleixner
2020-01-20  5:38 Stephen Rothwell
2020-01-20  6:00 ` Viresh Kumar
2020-01-07  5:43 Stephen Rothwell
2020-01-07  7:16 ` Ingo Molnar
2020-01-07  7:22   ` Shile Zhang
2019-07-26  3:05 Stephen Rothwell
2019-07-26  4:49 ` Josh Poimboeuf
2019-07-26  5:49   ` Stephen Rothwell
2018-11-06  0:46 Stephen Rothwell
2018-12-19  0:55 ` Stephen Rothwell
2018-09-11  3:53 Stephen Rothwell
2018-09-12 19:35 ` Thomas Gleixner
2018-03-23  2:28 Stephen Rothwell
2018-03-23  8:31 ` Christoph Hellwig
2018-03-23  9:57   ` Stephen Rothwell
2018-03-16  5:37 Stephen Rothwell
2018-03-16  5:52 ` Dou Liyang
2018-03-16  6:04   ` Dou Liyang
2018-03-16  7:55 ` Thomas Gleixner
2018-01-10  4:41 Stephen Rothwell
2017-09-27  3:42 Stephen Rothwell
2017-09-27 11:50 ` Prarit Bhargava
2017-06-28  7:15 Stephen Rothwell
2017-06-23  3:58 Stephen Rothwell
2017-06-23  4:00 ` Stephen Rothwell
2017-06-23  4:10   ` Michael Ellerman
2017-06-23  4:22     ` Stephen Rothwell
2016-12-14  2:28 Stephen Rothwell
2016-12-14  7:24 ` Ingo Molnar
2016-12-14  8:05   ` Richard Weinberger
2016-12-14  8:26     ` Stephen Rothwell
2016-12-14  8:10   ` Stephen Rothwell
2016-07-24  5:32 Stephen Rothwell
2016-07-25  7:16 ` Thomas Gleixner
2016-07-25 13:11   ` Daniel Lezcano
2016-07-25 14:53     ` Rich Felker
2016-07-25 16:42       ` Mark Brown
2016-07-25 17:54         ` Rich Felker
2016-07-25 14:48   ` Rich Felker
2016-04-07  5:26 Stephen Rothwell
2016-04-07  8:48 ` Ingo Molnar
2016-04-07 12:03   ` Stephen Rothwell
2015-05-12  3:35 Stephen Rothwell
2014-08-05  0:58 Stephen Rothwell
2014-07-18  5:00 Stephen Rothwell
2014-07-18 19:16 ` H. Peter Anvin
2014-07-18 19:57   ` Andy Lutomirski
2014-07-18 20:05     ` H. Peter Anvin
2014-07-18 20:08       ` Andy Lutomirski
2014-07-18 20:15         ` H. Peter Anvin
2014-07-18 20:20           ` Andy Lutomirski
2014-07-18 20:50             ` H. Peter Anvin
2014-06-16  1:57 Stephen Rothwell
2014-06-20  4:24 ` Stephen Rothwell
2014-06-20  4:30   ` H. Peter Anvin
2014-06-20  4:35     ` Stephen Rothwell
2014-03-06  6:12 Stephen Rothwell
2014-02-24  4:17 Stephen Rothwell
2014-02-24  5:56 ` Stephen Rothwell
2014-02-24  6:12   ` Andrew Morton
2014-02-24  6:23     ` Stephen Rothwell
2014-02-24 15:48 ` Andi Kleen
2014-02-24 15:51   ` H. Peter Anvin
2014-03-06  4:00 ` Stephen Rothwell
2014-03-28  5:52   ` Stephen Rothwell
2014-03-31  9:45     ` Thomas Gleixner
2014-03-31 10:57       ` Stephen Rothwell
2014-04-01  0:26         ` Stephen Rothwell
2014-04-01  1:56           ` H. Peter Anvin
2013-08-19  4:26 Stephen Rothwell
2013-08-19  6:58 ` Ingo Molnar
2013-08-20  0:52   ` Andi Kleen
2013-08-20  6:42     ` Ingo Molnar
2013-08-30  8:55       ` Stephen Rothwell
2013-08-30 20:42         ` Andi Kleen
2013-08-31  6:41           ` Ingo Molnar
2013-02-02  5:58 Stephen Rothwell
2013-02-02  5:55 Stephen Rothwell
2013-02-02  5:51 Stephen Rothwell
2013-01-30 11:41 Stephen Rothwell
2012-10-01 14:54 Stephen Rothwell
2012-10-01 16:10 ` Josh Triplett
2012-09-27  7:46 Stephen Rothwell
2011-09-14  6:34 Stephen Rothwell
2011-09-14  7:49 ` Yong Zhang
2011-09-14  9:37 ` Thomas Gleixner
2011-09-14  9:43   ` Shan Hai
2011-09-14  6:22 Stephen Rothwell
2010-11-29  1:11 Stephen Rothwell
2010-09-03  2:10 Stephen Rothwell
2010-09-03  2:12 ` Stephen Rothwell
2010-09-03  9:04   ` Wu Fengguang
2010-09-03 10:07     ` Haicheng Li
2010-05-17  5:58 Stephen Rothwell
2010-03-17  3:57 Stephen Rothwell
2010-03-17  4:00 ` KOSAKI Motohiro
2010-03-17  4:52   ` Stephen Rothwell
2010-03-17  7:02 ` Ingo Molnar
2010-03-17  8:02   ` KOSAKI Motohiro
2010-02-23  5:01 Stephen Rothwell
2010-02-23  8:52 ` Yinghai Lu
2010-02-23 10:43   ` Stephen Rothwell

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