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To:     Bjorn Helgaas <helgaas@kernel.org>
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From:   Logan Gunthorpe <logang@deltatee.com>
Message-ID: <cf4ead8f-9dde-ba3b-3c87-71f73cebee74@deltatee.com>
Date:   Fri, 21 Sep 2018 14:01:13 -0600
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Subject: Re: [PATCH v6 03/13] PCI/P2PDMA: Add PCI p2pmem DMA mappings to
 adjust the bus offset
Sender: linux-kernel-owner@vger.kernel.org
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On 2018-09-21 2:00 PM, Bjorn Helgaas wrote:
> Ok.  I was assuming s->dma_address would have been already set before
> the call and would be overwritten by pci_p2pmem_map_sg().  But I guess
> that's not the case -- sounds like s->dma_address is undefined before
> the call.

Correct. It's set by whatever dma_map function operates on it.

Logan