[PATCH v3 3/4] arm64/kernel: support store-only mte tag check

[Yeoreum Yun]

Hi Catalin,

> On Thu, Apr 10, 2025 at 09:07:22AM +0100, Yeoreum Yun wrote:
> > Introduce new flag -- MTE_CTRL_STORE_ONLY used to set store-only tag check.
> > This flag isn't overrided by prefered tcf flag setting but set together
>
> Nit: s/overrided/overridden/

Thanks!

>
> > with prefered setting of way to report tag check fault.
>
> The preferred mode set via sysfs is about whether we want synchronous or
> asynchronous tag check faults for reads/writes (or asymmetric). The
> store-only checking can be combined with sync/async, so they are
> slightly complementary. The question is whether one wants some global
> knob to turn on store-only in combination with sync/async. We could add
> more strings for sysfs like "(a)sync+storeonly"
>
> It would be good to hear Peter's opinion from an Android perspective.

Thanks to add, I'll wait for his comment for this :)

> --
> Catalin

--
Sincerely,
Yeoreum Yun