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From: Joerg Roedel <joro@8bytes.org>
To: Christoph Hellwig <hch@lst.de>
Cc: arnd@arndb.de, stephan@gerhold.net, linux-kernel@vger.kernel.org,
	iommu@lists.linux-foundation.org, natechancellor@gmail.com,
	Robin Murphy <robin.murphy@arm.com>,
	nsaenzjulienne@suse.de
Subject: Re: [PATCH v2] iommu/dma: Rationalise types for DMA masks
Date: Tue, 17 Dec 2019 11:18:00 +0100	[thread overview]
Message-ID: <20191217101800.GL8689@8bytes.org> (raw)
In-Reply-To: <20191211190235.GA17854@lst.de>

On Wed, Dec 11, 2019 at 08:02:35PM +0100, Christoph Hellwig wrote:
> On Wed, Dec 11, 2019 at 06:33:26PM +0000, Robin Murphy wrote:
> > Since iommu_dma_alloc_iova() combines incoming masks with the u64 bus
> > limit, it makes more sense to pass them around in their native u64
> > rather than converting to dma_addr_t early. Do that, and resolve the
> > remaining type discrepancy against the domain geometry with a cheeky
> > cast to keep things simple.
> > 
> > Signed-off-by: Robin Murphy <robin.murphy@arm.com>
> 
> Looks good to me:
> 
> Reviewed-by: Christoph Hellwig <hch@lst.de>
> 
> Joerg, let me know if you want to pick this up through the iommu tree as
> it touches the iommu code, or through the dma-mapping tree that
> introduced the warning.

I'll take it through my tree, as I am about to collect fixes anyway.

Patch is now applied, thanks everyone.
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WARNING: multiple messages have this Message-ID (diff)
From: Joerg Roedel <joro@8bytes.org>
To: Christoph Hellwig <hch@lst.de>
Cc: Robin Murphy <robin.murphy@arm.com>,
	iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org,
	stephan@gerhold.net, natechancellor@gmail.com,
	nsaenzjulienne@suse.de, arnd@arndb.de
Subject: Re: [PATCH v2] iommu/dma: Rationalise types for DMA masks
Date: Tue, 17 Dec 2019 11:18:00 +0100	[thread overview]
Message-ID: <20191217101800.GL8689@8bytes.org> (raw)
In-Reply-To: <20191211190235.GA17854@lst.de>

On Wed, Dec 11, 2019 at 08:02:35PM +0100, Christoph Hellwig wrote:
> On Wed, Dec 11, 2019 at 06:33:26PM +0000, Robin Murphy wrote:
> > Since iommu_dma_alloc_iova() combines incoming masks with the u64 bus
> > limit, it makes more sense to pass them around in their native u64
> > rather than converting to dma_addr_t early. Do that, and resolve the
> > remaining type discrepancy against the domain geometry with a cheeky
> > cast to keep things simple.
> > 
> > Signed-off-by: Robin Murphy <robin.murphy@arm.com>
> 
> Looks good to me:
> 
> Reviewed-by: Christoph Hellwig <hch@lst.de>
> 
> Joerg, let me know if you want to pick this up through the iommu tree as
> it touches the iommu code, or through the dma-mapping tree that
> introduced the warning.

I'll take it through my tree, as I am about to collect fixes anyway.

Patch is now applied, thanks everyone.

  reply	other threads:[~2019-12-17 10:18 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-11 18:33 [PATCH v2] iommu/dma: Rationalise types for DMA masks Robin Murphy
2019-12-11 18:33 ` Robin Murphy
2019-12-11 19:02 ` Christoph Hellwig
2019-12-11 19:02   ` Christoph Hellwig
2019-12-17 10:18   ` Joerg Roedel [this message]
2019-12-17 10:18     ` Joerg Roedel
2019-12-11 19:07 ` Nathan Chancellor
2019-12-11 19:07   ` Nathan Chancellor
2019-12-11 19:12 ` Nicolas Saenz Julienne
2019-12-11 19:12   ` Nicolas Saenz Julienne

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