linux-kernel - Re: [PATCH v2] dmatest: properly handle duplicate DMA channels

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] [day] [month] [year] [list]

Message-ID: <20080918181656.6ff00a14@hskinnemo-gx745.norway.atmel.com>
Date:	Thu, 18 Sep 2008 18:16:56 +0200
From:	Haavard Skinnemoen <haavard.skinnemoen@...el.com>
To:	Timur Tabi <timur@...escale.com>
Cc:	dan.j.williams@...el.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] dmatest: properly handle duplicate DMA channels

Timur Tabi <timur@...escale.com> wrote:
> Update the the dmatest driver so that it handles duplicate DMA channels
> properly.
> 
> When a DMA client is notified of an available DMA channel, it must check if it
> has already allocated resources for that channel.  If so, it should return
> DMA_DUP.  This can happen, for example, if a DMA driver calls
> dma_async_device_register() more than once.
> 
> Signed-off-by: Timur Tabi <timur@...escale.com>

Acked-by: Haavard Skinnemoen <haavard.skinnemoen@...el.com>
--
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/