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[84.3.50.134]) by smtp.gmail.com with ESMTPSA id z5sm6338260ejm.111.2020.08.14.03.22.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 Aug 2020 03:22:08 -0700 (PDT) Date: Fri, 14 Aug 2020 12:22:06 +0200 From: Ingo Molnar To: Ard Biesheuvel Cc: Stephen Rothwell , Arvind Sankar , Kees Cook , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , Peter Zijlstra , Linux Next Mailing List , Linux Kernel Mailing List Subject: Re: linux-next: new build warnings after binutils update Message-ID: <20200814102206.GB2367157@gmail.com> References: <20200811143130.0ca95b8d@canb.auug.org.au> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Ard Biesheuvel wrote: > (+ Arvind, Kees) > > On Thu, 13 Aug 2020 at 22:58, Stephen Rothwell 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