linux-kernel - Re: [PATCH 4/7] blk-mq: make blk_abort

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:   Fri, 29 Dec 2017 02:07:47 -0800
From:   Christoph Hellwig <hch@...radead.org>
To:     Tejun Heo <tj@...nel.org>
Cc:     jack@...e.cz, axboe@...nel.dk, clm@...com, jbacik@...com,
        kernel-team@...com, linux-kernel@...r.kernel.org,
        linux-btrfs@...r.kernel.org, peterz@...radead.org,
        jianchao.w.wang@...cle.com, Bart.VanAssche@....com,
        Asai Thambi SP <asamymuthupa@...ron.com>,
        Stefan Haberland <sth@...ux.vnet.ibm.com>,
        Jan Hoeppner <hoeppner@...ux.vnet.ibm.com>
Subject: Re: [PATCH 4/7] blk-mq: make blk_abort_request() trigger timeout path

On Sat, Dec 16, 2017 at 04:07:23AM -0800, Tejun Heo wrote:
> Note that this makes blk_abort_request() asynchronous - it initiates
> abortion but the actual termination will happen after a short while,
> even when the caller owns the request.  AFAICS, SCSI and ATA should be
> fine with that and I think mtip32xx and dasd should be safe but not
> completely sure.  It'd be great if people who know the drivers take a
> look.

For that you'll need to CC linux-ide and linux-scsi, and for the
SAS drivers some of the usual suspects that touch the SAS code.