linux-kernel - Re: [PATCH v2 04/11] iommu/vt-d: Remove domain and devinfo mempool

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Message-ID: <20220224130110.GG6413@nvidia.com>
Date:   Thu, 24 Feb 2022 09:01:10 -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 04/11] iommu/vt-d: Remove domain and devinfo mempool

On Mon, Feb 14, 2022 at 10:56:57AM +0800, Lu Baolu wrote:
> The domain and devinfo memory blocks are only allocated during device
> probe and released during remove. There's no hot-path context, hence
> no need for memory pools.
> 
> Signed-off-by: Lu Baolu <baolu.lu@...ux.intel.com>
> Reviewed-by: Christoph Hellwig <hch@....de>
> ---
>  drivers/iommu/intel/iommu.c | 104 ++----------------------------------
>  1 file changed, 5 insertions(+), 99 deletions(-)

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

Jason