linux-kernel - Re: [PATCH v2 2/8] xen: Make clear that swiotlb and biomerge are dealing with DMA address

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Message-ID: <55C1E5ED.10103@citrix.com>
Date:	Wed, 5 Aug 2015 11:31:09 +0100
From:	Julien Grall <julien.grall@...rix.com>
To:	Stefano Stabellini <stefano.stabellini@...citrix.com>
CC:	<xen-devel@...ts.xenproject.org>, <ian.campbell@...rix.com>,
	<linux-kernel@...r.kernel.org>,
	Russell King <linux@....linux.org.uk>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Boris Ostrovsky <boris.ostrovsky@...cle.com>,
	David Vrabel <david.vrabel@...rix.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, <x86@...nel.org>,
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v2 2/8] xen: Make clear that swiotlb and biomerge are
 dealing with DMA address

Hi Stefano,

On 05/08/15 10:49, Stefano Stabellini wrote:
>>  /* VIRT <-> MACHINE conversion */
>>  #define virt_to_mfn(v)		(pfn_to_mfn(virt_to_pfn(v)))
>> @@ -96,7 +115,7 @@ static inline bool set_phys_to_machine(unsigned long pfn, unsigned long mfn)
>>  
>>  bool xen_arch_need_swiotlb(struct device *dev,
>>  			   unsigned long pfn,
>> -			   unsigned long mfn);
>> +			   unsigned long dfn);
>>  unsigned long xen_get_swiotlb_free_pages(unsigned int order);
> 
> You missed a bunch of dfn->bfn renamings.

Sorry, I forgot to double check that before sending the patch. I will
fix it in the next version.

> Aside from those and the commit message error:
> 
> Reviewed-by: Stefano Stabellini <stefano.stabellini@...citrix.com>

Thank you!

Regards,

-- 
Julien Grall
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