linux-kernel - Re: [PATCH 12/21] dma-iommu: factor atomic pool allocations into helpers

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Message-ID: <20190422180319.GA32490@lst.de>
Date:   Mon, 22 Apr 2019 20:03:19 +0200
From:   Christoph Hellwig <hch@....de>
To:     Robin Murphy <robin.murphy@....com>
Cc:     Christoph Hellwig <hch@....de>, Joerg Roedel <joro@...tes.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Tom Lendacky <thomas.lendacky@....com>,
        iommu@...ts.linux-foundation.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 12/21] dma-iommu: factor atomic pool allocations into
 helpers

On Thu, Apr 18, 2019 at 07:15:00PM +0100, Robin Murphy wrote:
> Still, I've worked in the vm_map_pages() stuff pending in MM and given them 
> the same treatment to finish the picture.

I had to drop this - given that the changes are only in -mm and not
an actual git tree we can't pull a tree for that in.  But on the plus
side we can trivially replace __iommu_dma_mmap with vm_map_pages at
any later point in time.