Re: [Xen-devel] [PATCH 2/7] common: avoid atomic read-modify-write accesses in map_vcpu_info()

[Julien Grall <julien.grall@xxxxxxx>]

Hi,

On 11/03/2019 16:50, Andrew Cooper wrote:
> On 11/03/2019 16:48, Jan Beulich wrote:
> > There's no need to set the evtchn_pending_sel bits one by one. Simply
> > write full words with all ones.
> >
> > For Arm this requires extending write_atomic() to also handle 64-bit
> > values; for symmetry read_atomic() gets adjusted as well.
> >
> > Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
> Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
>
> (I'll leave the ARM assembly to Julien to check over)
Reviewed-by: Julien Grall <julien.grall@xxxxxxx>

I can queue this series in my next branch once it is fully acked.

Cheers,

--
Julien Grall

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