Re: [PATCH v8 30/43] arm64: kasan: Allow enabling in-kernel MTE

Andrey Konovalov
2020-11-05T12:14:47Z

On Thu, Nov 5, 2020 at 12:39 PM Vincenzo Frascino
<vincenzo.frascino@arm.com> wrote:
>
> On 11/5/20 11:35 AM, Andrey Konovalov wrote:
> > This will work. Any preference on the name of this function?
> >
>
> I called it in my current iteration mte_enable(), and calling it from
> cpu_enable_mte().
>
> > Alternatively we can rename mte_init_tags() to something else and let
> > it handle both RRND and sync/async.
>
> This is an option but then you need to change the name of kasan_init_tags and
> the init_tags indirection name as well. I would go for the simpler and just
> splitting the function as per above.
>
> What do you think?

OK, let's split. mte_enable() as a name sounds good to me. Both
functions will still be called one right after another from
kasan_init_hw_tags (as it's now called) though. I think the name
works, as it means initializing the hw_tags mode, not just the tags.

Will do in v9.