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Date:   Wed, 22 May 2019 17:57:08 +0200
From:   Christoph Hellwig <hch@lst.de>
To:     Robin Murphy <robin.murphy@arm.com>
Cc:     Christoph Hellwig <hch@lst.de>, Tom Murphy <tmurphy@arista.com>,
        Catalin Marinas <catalin.marinas@arm.com>,
        Will Deacon <will.deacon@arm.com>,
        linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org,
        linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 07/24] iommu/dma: Move domain lookup into
 __iommu_dma_{map, unmap}
Message-ID: <20190522155708.GA29904@lst.de>
References: <20190520072948.11412-1-hch@lst.de> <20190520072948.11412-8-hch@lst.de> <b2ef2d14-ec58-a1d6-1741-7834840498ee@arm.com>
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On Wed, May 22, 2019 at 02:34:49PM +0100, Robin Murphy wrote:
> On 20/05/2019 08:29, Christoph Hellwig wrote:
>> From: Robin Murphy <robin.murphy@arm.com>
>>
>> Most of the callers don't care, and the couple that do already have the
>> domain to hand for other reasons are in slow paths where the (trivial)
>> overhead of a repeated lookup will be utterly immaterial.
>>
>> Signed-off-by: Robin Murphy <robin.murphy@arm.com>
>> [hch: dropped the hunk touching iommu_dma_get_msi_page to avoid a
>>   conflict with another series]
>
> Since the MSI changes made it into 5.2, do you want to resurrect that hunk 
> here, or shall I spin it up as a follow-on patch?

Either way is fine with me.