linux-kernel - Re: [PATCH v5 1/7] dma: Take into account dma_pfn

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Date:   Thu, 22 Jun 2017 13:47:01 +0100
From:   Vladimir Murzin <vladimir.murzin@....com>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux@...linux.org.uk, sza@....hu, arnd@...db.de,
        gregkh@...uxfoundation.org, akpm@...ux-foundation.org,
        alexandre.torgue@...com, robin.murphy@....com,
        benjamin.gaignard@...aro.org, kbuild-all@...org,
        Joerg Roedel <jroedel@...e.de>,
        Christian Borntraeger <borntraeger@...ibm.com>
Subject: Re: [PATCH v5 1/7] dma: Take into account dma_pfn_offset

On 20/06/17 14:24, Christoph Hellwig wrote:
>> -		sg_dma_address(sg) = (dma_addr_t)virt_to_phys(va);
>> +		sg_dma_address(sg) = (dma_addr_t)(virt_to_phys(va) - PFN_PHYS(dev->dma_pfn_offset));
> 
> Needs a line break instead of the overly long line.

Will do.

> 
> Otherwise this looks fine to me.
> 

Thanks
Vladimir