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

2020-09-25 Thread Catalin Marinas
On Fri, Sep 25, 2020 at 12:50:30AM +0200, Andrey Konovalov wrote: > From: Vincenzo Frascino > > 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 th

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

2020-09-24 Thread Andrey Konovalov
From: Vincenzo Frascino 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 Frasci