netdev - Re: [PATCH 10/18] iommu/fsl_pamu: enable the liodn when attaching a device

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Message-ID: <20210330125358.GJ5908@willie-the-truck>
Date:   Tue, 30 Mar 2021 13:53:58 +0100
From:   Will Deacon <will@...nel.org>
To:     Christoph Hellwig <hch@....de>
Cc:     Joerg Roedel <joro@...tes.org>, Li Yang <leoyang.li@....com>,
        Michael Ellerman <mpe@...erman.id.au>,
        David Woodhouse <dwmw2@...radead.org>,
        Lu Baolu <baolu.lu@...ux.intel.com>,
        linuxppc-dev@...ts.ozlabs.org, linux-arm-msm@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
        iommu@...ts.linux-foundation.org,
        linux-arm-kernel@...ts.infradead.org, kvm@...r.kernel.org,
        virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org
Subject: Re: [PATCH 10/18] iommu/fsl_pamu: enable the liodn when attaching a
 device

On Tue, Mar 16, 2021 at 04:38:16PM +0100, Christoph Hellwig wrote:
> Instead of a separate call to enable all devices from the list, just
> enablde the liodn one the device is attached to the iommu domain.

(typos: "enablde" and "one" probably needs to be "once"?)

> This also remove the DOMAIN_ATTR_FSL_PAMU_ENABLE iommu_attr.
> 
> Signed-off-by: Christoph Hellwig <hch@....de>
> Acked-by: Li Yang <leoyang.li@....com>
> ---
>  drivers/iommu/fsl_pamu_domain.c     | 47 ++---------------------------
>  drivers/iommu/fsl_pamu_domain.h     | 10 ------
>  drivers/soc/fsl/qbman/qman_portal.c | 11 -------
>  include/linux/iommu.h               |  1 -
>  4 files changed, 3 insertions(+), 66 deletions(-)

Acked-by: Will Deacon <will@...nel.org>

Will