Messages in this thread | | | Date | Mon, 20 Sep 2021 16:31:47 +0100 | From | Catalin Marinas <> | Subject | Re: [PATCH 4/5] arm64: mte: Add asymmetric mode support |
| |
On Mon, Sep 13, 2021 at 09:14:23AM +0100, Vincenzo Frascino wrote: > MTE provides an asymmetric mode for detecting tag exceptions. In > particular, when such a mode is present, the CPU triggers a fault > on a tag mismatch during a load operation and asynchronously updates > a register when a tag mismatch is detected during a store operation. > > Add support for MTE asymmetric mode. > > Note: If the CPU does not support MTE asymmetric mode the kernel falls > back on synchronous mode which is the default for kasan=on. > > Cc: Will Deacon <will@kernel.org> > Cc: Catalin Marinas <catalin.marinas@arm.com> > Cc: Andrey Konovalov <andreyknvl@gmail.com> > Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
| |