linux-kernel - Re: [PATCH v3 1/4] DMA-API: Clarify physical/bus address distinction

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <1399644571.2166.1.camel@dabdike.int.hansenpartnership.com>
Date:	Fri, 9 May 2014 14:09:31 +0000
From:	James Bottomley <jbottomley@...allels.com>
To:	"arnd@...db.de" <arnd@...db.de>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"rdunlap@...radead.org" <rdunlap@...radead.org>,
	"Liviu.Dudau@....com" <Liviu.Dudau@....com>,
	"joro@...tes.org" <joro@...tes.org>,
	"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
	"dwmw2@...radead.org" <dwmw2@...radead.org>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	"bhelgaas@...gle.com" <bhelgaas@...gle.com>,
	"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>
Subject: Re: [PATCH v3 1/4] DMA-API: Clarify physical/bus address distinction

On Fri, 2014-05-09 at 08:12 +0200, Arnd Bergmann wrote:
> On Thursday 08 May 2014 14:48:54 Bjorn Helgaas wrote:
> > The DMA-API documentation sometimes refers to "physical addresses" when it
> > really means "bus addresses."  Sometimes these are identical, but they may
> > be different if the bridge leading to the bus performs address translation.
> > Update the documentation to use "bus address" when appropriate.
> > 
> > Also, consistently capitalize "DMA", use parens with function names, use
> > dev_printk() in examples, and reword a few sections for clarity.
> > 
> > No functional change; documentation changes only.
> > 
> > Signed-off-by: Bjorn Helgaas <bhelgaas@...gle.com>
> 
> Looks great!
> 
> Acked-by: Arnd Bergmann <arnd@...db.de>

Yes, from me too (probably only patches 1-2, since that's only what I
directly wrote originally); thanks for listening to the arguments and
persevering.

Acked-by: James Bottomley <jbottomley@...allels.com>

James

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/