From: Ingo Molnar <mingo@kernel•org>
To: Ard Biesheuvel <ardb@kernel•org>
Cc: Stephen Rothwell <sfr@canb•auug.org.au>,
Arvind Sankar <nivedita@alum•mit.edu>,
Kees Cook <keescook@chromium•org>,
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: new build warnings after binutils update
Date: Fri, 14 Aug 2020 12:22:06 +0200 [thread overview]
Message-ID: <20200814102206.GB2367157@gmail.com> (raw)
In-Reply-To: <CAMj1kXGvfjO_e7AgurJ-81o6e4rBC8HkXi3Kkb+ZZfy-MoKcyQ@mail.gmail.com>
* Ard Biesheuvel <ardb@kernel•org> wrote:
> (+ Arvind, Kees)
>
> On Thu, 13 Aug 2020 at 22:58, Stephen Rothwell <sfr@canb•auug.org.au> wrote:
> >
> > Hi all,
> >
> > After upgading some software, builds of Linus' tree now produce these warnings:
> >
> > x86_64-linux-gnu-ld: arch/x86/boot/compressed/head_64.o: warning: relocation in read-only section `.head.text'
> > x86_64-linux-gnu-ld: warning: creating DT_TEXTREL in a PIE
> >
> > I upgraded binutils from 2.34-8 to 2.35-1 (Debian versions).
> >
> > $ x86_64-linux-gnu-gcc --version
> > x86_64-linux-gnu-gcc (Debian 9.3.0-13) 9.3.0
> >
> > Any ideas?
> >
>
> Arvind and I have some patches on the list that fix various relocation
> issues in the decompressor binary.
>
> As far as I can tell, Arvind's patch to suppress runtime relocations
> [0] addresses this exact issue.
>
> Unfortunately, in spite of various pings and attempts to get the x86
> maintainers to notice this series, it has been ignored so far. Perhaps
> this is a good time to merge it for -rc1/2?
>
> [0] https://lore.kernel.org/lkml/20200731202738.2577854-6-nivedita@alum.mit.edu/
It all looked good to me but was a bit late for v5.9, will pick up
after -rc1.
Thanks,
Ingo
next prev parent reply other threads:[~2020-08-14 10:22 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-11 4:31 linux-next: new build warnings after binutils update Stephen Rothwell
2020-08-14 7:05 ` Ard Biesheuvel
2020-08-14 10:22 ` Ingo Molnar [this message]
2020-08-14 10:24 ` Ard Biesheuvel
2020-08-14 14:03 ` Sedat Dilek
2020-08-14 19:33 ` Kees Cook
2020-08-15 18:14 ` Ingo Molnar
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