linux-kernel - Re: [PATCH 1/5] iova: Move fast alloc size roundup into alloc_iova

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Date:   Sat, 9 Oct 2021 11:12:34 +0800
From:   Yongji Xie <xieyongji@...edance.com>
To:     John Garry <john.garry@...wei.com>
Cc:     Will Deacon <will@...nel.org>, joro@...tes.org,
        "Michael S. Tsirkin" <mst@...hat.com>,
        Jason Wang <jasowang@...hat.com>,
        Robin Murphy <robin.murphy@....com>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        iommu@...ts.linux-foundation.org,
        virtualization <virtualization@...ts.linux-foundation.org>,
        linuxarm@...wei.com, thunder.leizhen@...wei.com,
        baolu.lu@...ux.intel.com
Subject: Re: [PATCH 1/5] iova: Move fast alloc size roundup into alloc_iova_fast()

On Sat, Oct 9, 2021 at 12:17 AM John Garry <john.garry@...wei.com> wrote:
>
> On 04/10/2021 12:31, Will Deacon wrote:
> > On Fri, Sep 24, 2021 at 06:01:53PM +0800, John Garry wrote:
> >> It really is a property of the IOVA rcache code that we need to alloc a
> >> power-of-2 size, so relocate the functionality to resize into
> >> alloc_iova_fast(), rather than the callsites.
> >>
> >> Signed-off-by: John Garry<john.garry@...wei.com>
> >> ---
> >>   drivers/iommu/dma-iommu.c            | 8 --------
> >>   drivers/iommu/iova.c                 | 9 +++++++++
> >>   drivers/vdpa/vdpa_user/iova_domain.c | 8 --------
> >>   3 files changed, 9 insertions(+), 16 deletions(-)
> > Acked-by: Will Deacon<will@...nel.org>
>
> Cheers
>
>  >
>
> Any chance of an ack from the vdpa guys on the change to their code?
>

Looks good to me.

Reviewed-by: Xie Yongji <xieyongji@...edance.com>

Thanks,
Yongji