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Date:   Tue, 2 Nov 2021 11:59:37 -0700
From:   Nick Desaulniers <ndesaulniers@...gle.com>
To:     Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
Cc:     Dan Li <ashimida@...ux.alibaba.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Nathan Chancellor <nathan@...nel.org>,
        Kees Cook <keescook@...omium.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Sami Tolvanen <samitolvanen@...gle.com>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Mike Rapoport <rppt@...nel.org>,
        Mark Rutland <mark.rutland@....com>, frederic@...nel.org,
        yifeifz2@...inois.edu, Steven Rostedt <rostedt@...dmis.org>,
        Viresh Kumar <viresh.kumar@...aro.org>, andreyknvl@...il.com,
        Colin King <colin.king@...onical.com>,
        Miguel Ojeda <ojeda@...nel.org>, Arnd Bergmann <arnd@...db.de>,
        Luc Van Oostenryck <luc.vanoostenryck@...il.com>,
        Arvind Sankar <nivedita@...m.mit.edu>,
        Marco Elver <elver@...gle.com>, linux-hardening@...r.kernel.org
Subject: Re: [PATCH] [RFC/RFT] AARCH64: Add gcc Shadow Call Stack support

On Tue, Nov 2, 2021 at 11:51 AM Miguel Ojeda
<miguel.ojeda.sandonis@...il.com> wrote:
>
> On Tue, Nov 2, 2021 at 7:42 PM Nick Desaulniers <ndesaulniers@...gle.com> wrote:
> >
> > Do we want to move this to include/linux/compiler_attributes.h?
> > Respecifying these repeatedly in each include/linux/compiler-*.h feels
> > excessively redundant.
>
> Note that they are spelled differently, which is one of the reasons to
> keep them separate (and why I invoked my hopes of Clang and GCC
> agreeing).

Ah, that's right. The sanitizers differ here...I missed `__noscs`
definition in include/linux/compiler-clang.h during my initial code
review.
-- 
Thanks,
~Nick Desaulniers

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