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Message-ID: <CABCJKuexT3-AMiziJdDjKgW2iBW-aBuBJCTRFLK71wvpBkZ5Qg@mail.gmail.com>
Date: Mon, 28 Oct 2019 09:15:00 -0700
From: Sami Tolvanen <samitolvanen@...gle.com>
To: Miguel Ojeda <miguel.ojeda.sandonis@...il.com>
Cc: Ard Biesheuvel <ard.biesheuvel@...aro.org>, Catalin Marinas <catalin.marinas@....com>,
Dave Martin <Dave.Martin@....com>, Jann Horn <jannh@...gle.com>, Joe Perches <joe@...ches.com>,
Kees Cook <keescook@...omium.org>,
Kernel Hardening <kernel-hardening@...ts.openwall.com>, LKML <linux-kernel@...r.kernel.org>,
Laura Abbott <labbott@...hat.com>, Mark Rutland <mark.rutland@....com>,
Masahiro Yamada <yamada.masahiro@...ionext.com>, Masami Hiramatsu <mhiramat@...nel.org>,
Nick Desaulniers <ndesaulniers@...gle.com>, Steven Rostedt <rostedt@...dmis.org>,
Will Deacon <will@...nel.org>, clang-built-linux <clang-built-linux@...glegroups.com>,
linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v2 05/17] add support for Clang's Shadow Call Stack (SCS)
On Mon, Oct 28, 2019 at 8:31 AM Miguel Ojeda
<miguel.ojeda.sandonis@...il.com> wrote:
> We decided to do it like that when I introduced compiler_attributes.h.
>
> Given it is hidden behind a definition, we don't care about which one we use internally; therefore the idea was to avoid clashes as much as possible with other names/definitions/etc.
>
> The syntax is supported in the compilers we care about (for docs on attributes, the best reference is GCC's by the way).
Got it, thank you for explaining. I'll change this to __no_sanitize__
in v3 since Clang seems to be happy with either version.
Sami
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