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Date: Mon, 28 Oct 2019 08:19:49 -0700
From: Sami Tolvanen <>
To: Joe Perches <>
Cc: Will Deacon <>, Catalin Marinas <>, 
	Steven Rostedt <>, Masami Hiramatsu <>, 
	Ard Biesheuvel <>, Dave Martin <>, 
	Kees Cook <>, Laura Abbott <>, 
	Mark Rutland <>, Nick Desaulniers <>, 
	Jann Horn <>, Miguel Ojeda <>, 
	Masahiro Yamada <>, 
	clang-built-linux <>, 
	Kernel Hardening <>, 
	linux-arm-kernel <>, LKML <>
Subject: Re: [PATCH v2 05/17] add support for Clang's Shadow Call Stack (SCS)

Hi Joe,

On Sat, Oct 26, 2019 at 8:57 AM Joe Perches <> wrote:
> > +#if __has_feature(shadow_call_stack)
> > +# define __noscs     __attribute__((no_sanitize("shadow-call-stack")))
> __no_sanitize__

Sorry, I missed your earlier message about this. I'm following Clang's
documentation for the attribute:

Although __no_sanitize__ seems to work too. Is there a particular
reason to prefer that form over the one in the documentation?


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