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From: Lu Baolu <baolu.lu@linux.intel.com>
To: Christoph Hellwig <hch@lst.de>
Cc: baolu.lu@linux.intel.com, Arvind Sankar <nivedita@alum.mit.edu>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] iommu/vt-d: Return the correct dma mask when we are bypassing the IOMMU
Date: Thu, 10 Oct 2019 09:24:15 +0800	[thread overview]
Message-ID: <dacd9024-9f62-bba8-9ca5-9edcf2150e30@linux.intel.com> (raw)
In-Reply-To: <20191009065115.GB30157@lst.de>

Hi Christoph,

On 10/9/19 2:51 PM, Christoph Hellwig wrote:
> On Wed, Oct 09, 2019 at 10:45:15AM +0800, Lu Baolu wrote:
>> Do you mind explaining why we always return 32 bit here?
> 
> See the comment in dma_get_required_mask().
> 

Got it. Thank you.

Best regards,
Baolu

  reply	other threads:[~2019-10-10  1:26 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-07  2:24 ehci-pci breakage with dma-mapping changes in 5.4-rc2 Arvind Sankar
2019-10-07  7:34 ` Christoph Hellwig
2019-10-07 17:54   ` Arvind Sankar
2019-10-07 17:55     ` Christoph Hellwig
2019-10-07 17:56       ` Christoph Hellwig
2019-10-07 17:58         ` Arvind Sankar
2019-10-07 18:32           ` Arvind Sankar
2019-10-07 18:47             ` Christoph Hellwig
2019-10-07 22:10               ` Arvind Sankar
2019-10-07 23:54                 ` Arvind Sankar
2019-10-08  7:32                   ` Christoph Hellwig
2019-10-08 11:51                     ` Arvind Sankar
2019-10-08 12:50                       ` Christoph Hellwig
2019-10-08 15:47                       ` Arvind Sankar
2019-10-09  6:50                         ` Christoph Hellwig
2019-10-09 13:48                           ` Arvind Sankar
2019-10-08  7:29                 ` Christoph Hellwig
2019-10-08 14:33                   ` [PATCH] iommu/vt-d: Return the correct dma mask when we are bypassing the IOMMU Arvind Sankar
2019-10-09  2:45                     ` Lu Baolu
2019-10-09  6:51                       ` Christoph Hellwig
2019-10-10  1:24                         ` Lu Baolu [this message]
2019-10-10  1:26                     ` Lu Baolu
2019-10-16 19:15                       ` Arvind Sankar
2019-10-17  7:08                         ` Christoph Hellwig
2019-10-17 15:55                           ` Arvind Sankar
2019-10-17 15:55                             ` Arvind Sankar
2019-10-18  9:50                           ` Joerg Roedel
2019-10-18 15:14                             ` Christoph Hellwig
2019-10-18 15:21                               ` Joerg Roedel
2019-10-18 15:22                                 ` Christoph Hellwig

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