linux-kernel - RE: [PATCH v3 1/4] dmaengine: xilinx

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]

Date:	Thu, 3 Mar 2016 16:28:01 +0000
From:	Appana Durga Kedareswara Rao <appana.durga.rao@...inx.com>
To:	Vinod Koul <vinod.koul@...el.com>
CC:	"dan.j.williams@...el.com" <dan.j.williams@...el.com>,
	Michal Simek <michals@...inx.com>,
	Soren Brinkmann <sorenb@...inx.com>,
	"moritz.fischer@...us.com" <moritz.fischer@...us.com>,
	"laurent.pinchart@...asonboard.com" 
	<laurent.pinchart@...asonboard.com>,
	"luis@...ethencourt.com" <luis@...ethencourt.com>,
	Anirudha Sarangi <anirudh@...inx.com>,
	"dmaengine@...r.kernel.org" <dmaengine@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v3 1/4] dmaengine: xilinx_vdma: Improve SG engine
 handling

> -----Original Message-----
> From: Vinod Koul [mailto:vinod.koul@...el.com]
> Sent: Thursday, March 03, 2016 9:03 PM
> To: Appana Durga Kedareswara Rao
> Cc: dan.j.williams@...el.com; Michal Simek; Soren Brinkmann; Appana Durga
> Kedareswara Rao; moritz.fischer@...us.com;
> laurent.pinchart@...asonboard.com; luis@...ethencourt.com; Anirudha
> Sarangi; dmaengine@...r.kernel.org; linux-arm-kernel@...ts.infradead.org;
> linux-kernel@...r.kernel.org
> Subject: Re: [PATCH v3 1/4] dmaengine: xilinx_vdma: Improve SG engine
> handling
> 
> On Fri, Feb 26, 2016 at 07:33:51PM +0530, Kedareswara rao Appana wrote:
> > The current driver allows user to queue up multiple segments on to a
> > single transaction descriptor. User will submit this single desc and
> > in the issue_pending() we decode multiple segments and submit to SG HW
> engine.
> > We free up the allocated_desc when it is submitted to the HW.
> >
> > Existing code prevents the user to prepare multiple trasactions at
> > same time as we are overwrite with the allocated_desc.
> >
> > The best utilization of HW SG engine would happen if we collate the
> > pending list when we start dma this patch updates the same.
> 
> Applied all. It is usually advisable to do cover letter using --cover-letter for multi
> patch series

Thanks ... Will fix next time onwards...

Regards,
Kedar.

> 
> --
> ~Vinod