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@xxxxxxxxxx> > Co-developed-by: Vincenzo Frascino <vincenzo.frascino@xxxxxxx> > Signed-off-by: Vincenzo Frascino <vincenzo.frascino@xxxxxxx> Reviewed-by: Catalin Marinas <catalin.marinas@xxxxxxx>