Subject: Re: [PATCH v3 23/39] arm64: Enable armv8.5-a asm-arch option

From: Catalin Marinas <[email-masked]>
Date: Fri, 25 Sep 2020 11:16:44 +0100

On Fri, Sep 25, 2020 at 12:50:30AM +0200, Andrey Konovalov wrote:
> From: Vincenzo Frascino <[email-masked]>
> 
> Hardware tag-based KASAN relies on Memory Tagging Extension (MTE) which
> is an armv8.5-a architecture extension.
> 
> Enable the correct asm option when the compiler supports it in order to
> allow the usage of ALTERNATIVE()s with MTE instructions.
> 
> Signed-off-by: Vincenzo Frascino <[email-masked]>
> Signed-off-by: Andrey Konovalov <[email-masked]>

Reviewed-by: Catalin Marinas <[email-masked]>

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