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Date:   Fri, 3 May 2019 12:33:53 +0100
From:   Catalin Marinas <catalin.marinas@arm.com>
To:     Christoph Hellwig <hch@lst.de>
Cc:     Robin Murphy <robin.murphy@arm.com>,
        Joerg Roedel <joro@8bytes.org>,
        Will Deacon <will.deacon@arm.com>,
        Tom Lendacky <thomas.lendacky@amd.com>,
        iommu@lists.linux-foundation.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 01/25] arm64/iommu: handle non-remapped addresses in
 ->mmap and ->get_sgtable
Message-ID: <20190503113352.GA55449@arrakis.emea.arm.com>
References: <20190430105214.24628-1-hch@lst.de>
 <20190430105214.24628-2-hch@lst.de>
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On Tue, Apr 30, 2019 at 06:51:50AM -0400, Christoph Hellwig wrote:
> DMA allocations that can't sleep may return non-remapped addresses, but
> we do not properly handle them in the mmap and get_sgtable methods.
> Resolve non-vmalloc addresses using virt_to_page to handle this corner
> case.
> 
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> Reviewed-by: Robin Murphy <robin.murphy@arm.com>

Acked-by: Catalin Marinas <catalin.marinas@arm.com>