linux-kernel - Re: [PATCH v3] dmaengine: rcar-dmac: don't use DMAC error interrupt

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: <20180628042123.GJ22377@vkoul-mobl>
Date:   Thu, 28 Jun 2018 09:51:23 +0530
From:   Vinod <vkoul@...nel.org>
To:     Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
Cc:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        Dan Williams <dan.j.williams@...el.com>,
        Magnus Damm <magnus.damm@...il.com>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Kieran Bingham <kieran@...uared.org.uk>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        dmaengine@...r.kernel.org,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>
Subject: Re: [PATCH v3] dmaengine: rcar-dmac: don't use DMAC error interrupt

On 15-06-18, 00:53, Kuninori Morimoto wrote:
> 
> From: Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
> 
> rcar-dmac has 2 types of interrupt, 1) error IRQ (for all),
> 2) IRQ for each channels.
> If error happens on some channels, the error IRQ will be handled
> by 1), and "all" channels will be restarted.
> But in this design, error handling itself will be problem for
> non error channel users.
> This patch removes 1) handler, and handles error IRQ on 2)
> 
> Signed-off-by: Magnus Damm <damm+renesas@...nsource.se>
> [Kuninori: updated patch to adjust DMACHCR/DMAOR]
> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
> Tested-by: Nguyen Viet Dung <nv-dung@...so.co.jp>
> Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>

Applied, thanks

-- 
~Vinod