[PATCH v1 1/4] arm64/mte: Document ABI for asymmetric mode

[Mark Brown]

On Fri, Jan 28, 2022 at 04:43:21PM +0000, Catalin Marinas wrote:
> On Thu, Jan 27, 2022 at 07:57:09PM +0000, Mark Brown wrote:

> > MTE3 adds a new mode which is synchronous for writes but asynchronous for
> > reads.

> It's the other way around: synchronous for reads, async for writes. You
> got it correctly in the doc.

Doh.  See, I know that the way to get fast review is to make some
obvious error which someone can point out :P

> >  The preferred tag checking mode for each CPU is controlled by
> >  ``/sys/devices/system/cpu/cpu<N>/mte_tcf_preferred``, to which a
> > -privileged user may write the value ``async`` or ``sync``.  The default
> > -preferred mode for each CPU is ``async``.
> > +privileged user may write the value ``async``, ``sync`` or ``asymm``.  The
> > +default preferred mode for each CPU is ``async``.
> 
> That's fine by me. It can be configured at boot for each CPU.
> 
> Reviewed-by: Catalin Marinas <catalin.marinas at arm.com>
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