netdev - Re: [PATCH 07/18] iommu/fsl_pamu: replace DOMAIN_ATTR_FSL_PAMU

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Message-ID: <20210330124418.GG5908@willie-the-truck>
Date:   Tue, 30 Mar 2021 13:44:18 +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 07/18] iommu/fsl_pamu: replace DOMAIN_ATTR_FSL_PAMU_STASH
 with a direct call

On Tue, Mar 16, 2021 at 04:38:13PM +0100, Christoph Hellwig wrote:
> Add a fsl_pamu_configure_l1_stash API that qman_portal can call directly
> instead of indirecting through the iommu attr API.
> 
> Signed-off-by: Christoph Hellwig <hch@....de>
> Acked-by: Li Yang <leoyang.li@....com>
> ---
>  arch/powerpc/include/asm/fsl_pamu_stash.h | 12 +++---------
>  drivers/iommu/fsl_pamu_domain.c           | 16 +++-------------
>  drivers/iommu/fsl_pamu_domain.h           |  2 --
>  drivers/soc/fsl/qbman/qman_portal.c       | 18 +++---------------
>  include/linux/iommu.h                     |  1 -
>  5 files changed, 9 insertions(+), 40 deletions(-)

Heh, this thing is so over-engineered.

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

Will