On Tue, Dec 17, 2019 at 1:43 AM Joerg Roedel wrote:
>
> On Thu, Nov 28, 2019 at 04:48:52PM -0800, Cong Wang 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% o
On Thu, Nov 28, 2019 at 04:48:52PM -0800, Cong Wang 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.
Sounds nice. Can you please re-se
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.
Cong Wang (3):
iommu: match the original algorithm
iommu: optimize iova_magazine_free_pfns()
