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Message-ID: <20200717140545.6f008208@oasis.local.home>
Date: Fri, 17 Jul 2020 14:05:45 -0400
From: Steven Rostedt <rostedt@...dmis.org>
To: Sami Tolvanen <samitolvanen@...gle.com>
Cc: Peter Zijlstra <peterz@...radead.org>, Masahiro Yamada
<masahiroy@...nel.org>, Will Deacon <will@...nel.org>, Greg Kroah-Hartman
<gregkh@...uxfoundation.org>, "Paul E. McKenney" <paulmck@...nel.org>, Kees
Cook <keescook@...omium.org>, Nick Desaulniers <ndesaulniers@...gle.com>,
clang-built-linux <clang-built-linux@...glegroups.com>, Kernel Hardening
<kernel-hardening@...ts.openwall.com>, linux-arch
<linux-arch@...r.kernel.org>, linux-arm-kernel
<linux-arm-kernel@...ts.infradead.org>, linux-kbuild
<linux-kbuild@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>,
linux-pci@...r.kernel.org, X86 ML <x86@...nel.org>, Josh Poimboeuf
<jpoimboe@...hat.com>, Matt Helsley <mhelsley@...are.com>
Subject: Re: [RFC][PATCH] objtool,x86_64: Replace recordmcount with objtool
On Fri, 17 Jul 2020 10:47:51 -0700
Sami Tolvanen <samitolvanen@...gle.com> wrote:
> > Someone just submitted a patch for arm64 for this:
> >
> > https://lore.kernel.org/r/20200717143338.19302-1-gregory.herrero@oracle.com
> >
> > Is that what you want?
>
> That looks like the same issue, but we need to fix this on x86 instead.
Does x86 have a way to differentiate between the two that record mcount
can check?
-- Steve
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