On 2021-06-21 06:47, Sai Prakash Ranjan wrote:
Hi,
On 2021-06-19 03:39, Doug Anderson wrote:
Hi,
On Thu, Jun 17, 2021 at 7:51 PM Sai Prakash Ranjan
wrote:
Currently for iommu_unmap() of large scatter-gather list with page size
elements, the majority of time is spent in flushing of partial
Hi,
On 2021-06-19 03:39, Doug Anderson wrote:
Hi,
On Thu, Jun 17, 2021 at 7:51 PM Sai Prakash Ranjan
wrote:
Currently for iommu_unmap() of large scatter-gather list with page
size
elements, the majority of time is spent in flushing of partial walks
in
__arm_lpae_unmap() which is a VA
Hi,
On Thu, Jun 17, 2021 at 7:51 PM Sai Prakash Ranjan
wrote:
>
> Currently for iommu_unmap() of large scatter-gather list with page size
> elements, the majority of time is spent in flushing of partial walks in
> __arm_lpae_unmap() which is a VA based TLB invalidation invalidating
>
Currently for iommu_unmap() of large scatter-gather list with page size
elements, the majority of time is spent in flushing of partial walks in
__arm_lpae_unmap() which is a VA based TLB invalidation invalidating
page-by-page on iommus like arm-smmu-v2 (TLBIVA) which do not support
range based
