| Date | Thu, 5 Nov 2020 16:57:25 +0000 | From | Catalin Marinas <> | Subject | Re: [PATCH v8 29/43] arm64: mte: Add in-kernel tag fault handler |
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On Thu, Nov 05, 2020 at 12:18:44AM +0100, Andrey Konovalov wrote: > From: Vincenzo Frascino <vincenzo.frascino@arm.com> > > Add the implementation of the in-kernel fault handler. > > When a tag fault happens on a kernel address: > * MTE is disabled on the current CPU, > * the execution continues. > > When a tag fault happens on a user address: > * the kernel executes do_bad_area() and panics. > > The tag fault handler for kernel addresses is currently empty and will be > filled in by a future commit. > > Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com> > Co-developed-by: Andrey Konovalov <andreyknvl@google.com> > Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
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