linux-kernel - Re: [PATCH RESEND v5 1/5] iommu: Refactor iommu_group_store

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Date:   Wed, 6 Jul 2022 13:00:59 +0100
From:   Will Deacon <will@...nel.org>
To:     John Garry <john.garry@...wei.com>
Cc:     joro@...tes.org, robin.murphy@....com, mst@...hat.com,
        jasowang@...hat.com, iommu@...ts.linux-foundation.org,
        linux-kernel@...r.kernel.org,
        virtualization@...ts.linux-foundation.org,
        chenxiang66@...ilicon.com, thunder.leizhen@...wei.com,
        jean-philippe@...aro.org, linuxarm@...wei.com
Subject: Re: [PATCH RESEND v5 1/5] iommu: Refactor iommu_group_store_type()

On Mon, Apr 04, 2022 at 07:27:10PM +0800, John Garry wrote:
> Function iommu_group_store_type() supports changing the default domain
> of an IOMMU group.
> 
> Many conditions need to be satisfied and steps taken for this action to be
> successful.
> 
> Satisfying these conditions and steps will be required for setting other
> IOMMU group attributes, so factor into a common part and a part specific
> to update the IOMMU group attribute.
> 
> No functional change intended.
> 
> Some code comments are tidied up also.
> 
> Signed-off-by: John Garry <john.garry@...wei.com>
> ---
>  drivers/iommu/iommu.c | 96 ++++++++++++++++++++++++++++---------------
>  1 file changed, 62 insertions(+), 34 deletions(-)

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

Will