linux-kernel - Re: [PATCH v2 01/11] iommu/vt-d: Remove intel

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Message-ID: <20220224125839.GD6413@nvidia.com>
Date:   Thu, 24 Feb 2022 08:58:39 -0400
From:   Jason Gunthorpe <jgg@...dia.com>
To:     Lu Baolu <baolu.lu@...ux.intel.com>
Cc:     Joerg Roedel <joro@...tes.org>, Kevin Tian <kevin.tian@...el.com>,
        Ashok Raj <ashok.raj@...el.com>, Liu Yi L <yi.l.liu@...el.com>,
        Jacob Pan <jacob.jun.pan@...ux.intel.com>,
        Robin Murphy <robin.murphy@....com>,
        Christoph Hellwig <hch@....de>,
        iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 01/11] iommu/vt-d: Remove intel_iommu::domains

On Mon, Feb 14, 2022 at 10:56:54AM +0800, Lu Baolu wrote:
> The "domains" field of the intel_iommu structure keeps the mapping of
> domain_id to dmar_domain. This information is not used anywhere. Remove
> and cleanup it to avoid unnecessary memory consumption.
> 
> Signed-off-by: Lu Baolu <baolu.lu@...ux.intel.com>
> Reviewed-by: Christoph Hellwig <hch@....de>
> ---
>  include/linux/intel-iommu.h |  1 -
>  drivers/iommu/intel/iommu.c | 68 ++-----------------------------------
>  2 files changed, 3 insertions(+), 66 deletions(-)

Reviewed-by: Jason Gunthorpe <jgg@...dia.com>

Jason