linux-kernel - Re: [PATCHv4 3/8] gpu: host1x: Add channel support

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: <50E40157.9070902@nvidia.com>
Date:	Wed, 2 Jan 2013 11:43:51 +0200
From:	Terje Bergström <tbergstrom@...dia.com>
To:	Mark Zhang <nvmarkzhang@...il.com>
CC:	"thierry.reding@...onic-design.de" <thierry.reding@...onic-design.de>,
	"airlied@...ux.ie" <airlied@...ux.ie>,
	"dev@...xeye.de" <dev@...xeye.de>,
	"dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
	"linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCHv4 3/8] gpu: host1x: Add channel support

On 02.01.2013 11:31, Mark Zhang wrote:
> On 01/02/2013 05:31 PM, Terje Bergström wrote:
>> That's intentional. Writing a job to channel is atomic, so lock is taken
>> from host1x_cdma_begin() until host1x_cdma_end().
>>
> 
> Okay. So can we consider that lock and unlock this mutex in the function
> which calls host1x_cdma_begin and host1x_cdma_end, that means, in
> current implementation, function "channel_submit"?

Yes, exactly.

Terje

--
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/