linux-kernel - Re: linux-next: build failure after merge of the kspp tree

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Message-ID: <20180727205511.7c0f2e62@canb.auug.org.au>
Date:   Fri, 27 Jul 2018 20:55:11 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Kees Cook <keescook@...gle.com>
Cc:     Linux-Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Alexander Popov <alex.popov@...ux.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Laura Abbott <labbott@...hat.com>
Subject: Re: linux-next: build failure after merge of the kspp tree

Hi all,

On Fri, 27 Jul 2018 19:06:47 +1000 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> On Fri, 27 Jul 2018 19:02:07 +1000 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> >
> > After merging the kspp tree, today's linux-next build (x86_64
> > allmodconfig) failed like this:
> > 
> > cc1: error: plugin stackleak_plugin should be specified before -fplugin-arg-stackleak_plugin-disable in the command line
> > 
> > Maybe caused by commit
> > 
> >   a8b9eaddb9c0 ("gcc-plugins: Add STACKLEAK plugin for tracking the kernel stack")
> > 
> > I have used the kspp tree from next-20180726 for today.  
> 
> Well, that obviously didn't work since the tree hasn't changed for a
> few days.
> 
> I can't see what has interacted to make this happen, so I have dropped
> the kspp tree for today.

Actually, it may have been caused by commit

  0b3e336601b8 ("arm64: Add support for STACKLEAK gcc plugin")

from the arm64 tree.
-- 
Cheers,
Stephen Rothwell

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