[PATCH v2 23/37] arm64: kasan: Add arch layer for memory tagging helpers

Catalin Marinas catalin.marinas at arm.com
Thu Sep 17 13:05:50 EDT 2020

On Tue, Sep 15, 2020 at 11:16:05PM +0200, Andrey Konovalov wrote:
> This patch add a set of arch_*() memory tagging helpers currently only
> defined for arm64 when hardware tag-based KASAN is enabled. These helpers
> will be used by KASAN runtime to implement the hardware tag-based mode.
> The arch-level indirection level is introduced to simplify adding hardware
> tag-based KASAN support for other architectures in the future by defining
> the appropriate arch_*() macros.
> Signed-off-by: Andrey Konovalov <andreyknvl at google.com>
> Co-developed-by: Vincenzo Frascino <vincenzo.frascino at arm.com>
> Signed-off-by: Vincenzo Frascino <vincenzo.frascino at arm.com>

Reviewed-by: Catalin Marinas <catalin.marinas at arm.com>

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