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
next prev parent reply other threads:[~2019-10-10 1:26 UTC|newest]
Thread overview: 29+ 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
2019-10-18 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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