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Date: Wed, 6 Oct 2021 09:18:38 -0700 From: Sami Tolvanen <samitolvanen@...gle.com> To: Josh Poimboeuf <jpoimboe@...hat.com> Cc: X86 ML <x86@...nel.org>, Kees Cook <keescook@...omium.org>, Peter Zijlstra <peterz@...radead.org>, Nathan Chancellor <nathan@...nel.org>, Nick Desaulniers <ndesaulniers@...gle.com>, Sedat Dilek <sedat.dilek@...il.com>, linux-hardening@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>, llvm@...ts.linux.dev Subject: Re: [PATCH v4 01/15] objtool: Add CONFIG_CFI_CLANG support On Tue, Oct 5, 2021 at 8:36 PM Josh Poimboeuf <jpoimboe@...hat.com> wrote: > > On Thu, Sep 30, 2021 at 11:05:17AM -0700, Sami Tolvanen wrote: > > With CONFIG_CFI_CLANG, the compiler replaces function references with > > references to the CFI jump table, which confuses objtool. This change, > > based on Josh's initial patch [1], goes through the list of relocations > > and replaces jump table symbols with the actual function symbols. > > > > [1] https://lore.kernel.org/r/d743f4b36e120c06506567a9f87a062ae03da47f.1611263462.git.jpoimboe@redhat.com/ > > I found the original patch description to be much more useful than this > one ;-) Sure, I'll just copy that for the next version. Sami
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