linux-kernel - Re: [PATCH] dmaengine: imx-sdma: Set DMA channel to be private

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]

Date:   Fri, 10 Feb 2023 14:25:30 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Kai-Heng Feng <kai.heng.feng@...onical.com>
Cc:     shawnguo@...nel.org, s.hauer@...gutronix.de,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        dmaengine@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dmaengine: imx-sdma: Set DMA channel to be private

On 07-02-23, 12:57, Kai-Heng Feng wrote:
> If async-tx is loaded before device drivers that requires imx-sdma, the
> dmaengine_get() routine from async-tx grabs all non-private channels,
> so devices that require DMA fail to work.
> 
> So mark imx-sdma with DMA_PRIVATE to avoid such situation.

Applied, thanks

-- 
~Vinod