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

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Message-ID: <20211004113121.GA27373@willie-the-truck>
Date:   Mon, 4 Oct 2021 12:31:21 +0100
From:   Will Deacon <will@...nel.org>
To:     John Garry <john.garry@...wei.com>
Cc:     joro@...tes.org, mst@...hat.com, jasowang@...hat.com,
        robin.murphy@....com, xieyongji@...edance.com,
        linux-kernel@...r.kernel.org, iommu@...ts.linux-foundation.org,
        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 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>

Will