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Date: Fri, 14 Aug 2020 09:05:48 +0200 From: Ard Biesheuvel <ardb@...nel.org> To: Stephen Rothwell <sfr@...b.auug.org.au>, Arvind Sankar <nivedita@...m.mit.edu>, Kees Cook <keescook@...omium.org> Cc: Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>, Peter Zijlstra <peterz@...radead.org>, Linux Next Mailing List <linux-next@...r.kernel.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org> Subject: Re: linux-next: new build warnings after binutils update (+ Arvind, Kees) On Thu, 13 Aug 2020 at 22:58, Stephen Rothwell <sfr@...b.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/
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