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From: Christoph Hellwig <hch@lst.de>
To: Eric Auger <eric.auger@redhat.com>
Cc: jean-philippe@linaro.org, bbhushan2@marvell.com,
	peterz@infradead.org, linux-kernel@vger.kernel.org,
	iommu@lists.linux-foundation.org, akpm@linux-foundation.org,
	eric.auger.pro@gmail.com, robin.murphy@arm.com, hch@lst.de
Subject: Re: [PATCH v2] dma-remap: Align the size in dma_common_*_remap()
Date: Tue, 23 Jun 2020 14:13:04 +0200	[thread overview]
Message-ID: <20200623121304.GA20261@lst.de> (raw)
In-Reply-To: <20200623120755.27710-1-eric.auger@redhat.com>

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.
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WARNING: multiple messages have this Message-ID (diff)
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()
Date: Tue, 23 Jun 2020 14:13:04 +0200	[thread overview]
Message-ID: <20200623121304.GA20261@lst.de> (raw)
In-Reply-To: <20200623120755.27710-1-eric.auger@redhat.com>

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.

  reply	other threads:[~2020-06-23 12:13 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-23 12:07 [PATCH v2] dma-remap: Align the size in dma_common_*_remap() Eric Auger
2020-06-23 12:07 ` Eric Auger
2020-06-23 12:13 ` Christoph Hellwig [this message]
2020-06-23 12:13   ` Christoph Hellwig

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