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Date:   Tue, 23 Jun 2020 14:13:04 +0200
From:   Christoph Hellwig <hch@lst.de>
To:     Eric Auger <eric.auger@redhat.com>
Cc:     eric.auger.pro@gmail.com, iommu@lists.linux-foundation.org,
        linux-kernel@vger.kernel.org, hch@lst.de, m.szyprowski@samsung.com,
        robin.murphy@arm.com, peterz@infradead.org,
        akpm@linux-foundation.org, jean-philippe@linaro.org,
        bbhushan2@marvell.com
Subject: Re: [PATCH v2] dma-remap: Align the size in dma_common_*_remap()
Message-ID: <20200623121304.GA20261@lst.de>
References: <20200623120755.27710-1-eric.auger@redhat.com>
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On Tue, Jun 23, 2020 at 02:07:55PM +0200, Eric Auger wrote:
> Running a guest with a virtio-iommu protecting virtio devices
> is broken since commit 515e5b6d90d4 ("dma-mapping: use vmap insted
> of reimplementing it"). Before the conversion, the size was
> page aligned in __get_vm_area_node(). Doing so fixes the
> regression.
> 
> Fixes: 515e5b6d90d4 ("dma-mapping: use vmap insted of reimplementing it")
> Signed-off-by: Eric Auger <eric.auger@redhat.com>

Thanks,

I've applied this locally, waiting for git.infradead.org to be back
up.