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Date: Sat, 19 Oct 2019 02:21:44 +0200
From: Miguel Ojeda <>
To: Nick Desaulniers <>
Cc: Sami Tolvanen <>, Will Deacon <>, 
	Catalin Marinas <>, Steven Rostedt <>, 
	Ard Biesheuvel <>, Dave Martin <>, 
	Kees Cook <>, Laura Abbott <>, 
	Mark Rutland <>, 
	clang-built-linux <>, 
	Kernel Hardening <>, 
	Linux ARM <>, LKML <>
Subject: Re: [PATCH 06/18] add support for Clang's Shadow Call Stack (SCS)

On Fri, Oct 18, 2019 at 10:33 PM Nick Desaulniers
<> wrote:
> Sami pointed out to me off thread that __has_attribute would only
> check `no_sanitize`, not `shadow-call-stack`.  So maybe best to keep
> the definition here (include/linux/compiler-clang.h), but wrapped in a
> `__has_feature` check so that Clang 6.0 doesn't start complaining.

Ah, good point -- agreed!


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