Re: [PATCH] iommu/iova: avoid false sharing on fq_timer_on

From: Joerg Roedel
Date: Fri Aug 30 2019 - 09:22:43 EST

On Fri, Aug 30, 2019 at 01:27:25PM +0100, Robin Murphy wrote:
> On 30/08/2019 11:49, Joerg Roedel wrote:
> > Looks good to me, but adding Robin for his opinion.
> Sounds reasonable to me too - that should also be true for the majority of
> Arm systems that we know of. Will suggested that atomic_try_cmpxchg() might
> be relevant, but AFAICS that's backwards compared to what we want to do
> here, which I guess is more of an "atomic_unlikely_cmpxchg".
> Acked-by: Robin Murphy <robin.murphy@xxxxxxx>

Great, thanks for looking into it, Robin.

Applied now, thanks Eric.