Subject: Re: [PATCH -next] iommu/dma: avoid expensive indirect calls for sync operations

From: Michal Kubiak <[email-masked]>
Date: Wed, 23 Nov 2022 05:15:21 -0500

On Tue, Nov 22, 2022 at 02:17:58PM -0500, Michal Kubiak wrote:
> 
>  Together with Larysa we have applied that patch and we can confirm it
>  helps for batch buffer allocation in AF_XDP ('xsk_buff_alloc_batch()'
>  call) when iommu is enabled.

I am sorry I have forgotten to add Larysa to this thread, adding.

Michal