Re: [Patch v3 0/3] iommu: reduce spinlock contention on fast path

[Cong Wang]

On Tue, Dec 17, 2019 at 8:40 PM Cong Wang <xiyou.wangcong@xxxxxxxxx> wrote:
>
> This patchset contains three small optimizations for the global spinlock
> contention in IOVA cache. Our memcache perf test shows this reduced its
> p999 latency down by 45% on AMD when IOMMU is enabled.
>
> (Resending v3 on Joerg's request.)

Hi, Joerg

Can you take these patches?

Thanks!