| Date | Fri, 25 Sep 2020 13:35:40 +0100 | From | Catalin Marinas <> | Subject | Re: [PATCH v3 26/39] arm64: mte: Add in-kernel tag fault handler |
| |
On Fri, Sep 25, 2020 at 12:50:33AM +0200, 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>
|