linux-kernel - Re: [PATCH] scsi: switch to scsi-mq by default

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: <yq1d0vupjq2.fsf@oracle.com>
Date:   Tue, 10 Jul 2018 22:52:21 -0400
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     Johannes Thumshirn <jthumshirn@...e.de>
Cc:     "Martin K . Petersen" <martin.petersen@...cle.com>,
        Hannes Reinecke <hare@...e.de>,
        Bart Van Assche <Bart.VanAssche@...disk.com>,
        Ming Lei <tom.leiming@...il.com>,
        Linux SCSI Mailinglist <linux-scsi@...r.kernel.org>,
        Linux Kernel Mailinglist <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] scsi: switch to scsi-mq by default


Johannes,

> It has been more than one year since we tried to change the default
> from legacy to multi queue in SCSI with commit c279bd9e406 ("scsi:
> default to scsi-mq"). But due to issues with suspend/resume and
> performance problems it had been reverted again with commit
> cbe7dfa26eee ("Revert "scsi: default to scsi-mq"").
>
> In the meantime there have been a substantial amount of performance
> improvements and suspend/resume got fixed as well, thus we can
> re-enable scsi-mq without a significant performance penalty.

Applied to 4.19/scsi-queue, thanks!

-- 
Martin K. Petersen	Oracle Linux Engineering