linux-kernel - Re: [RFC PATCH v2 0/2] add simple copy support

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:   Tue, 08 Dec 2020 22:02:35 -0500
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     Hannes Reinecke <hare@...e.de>
Cc:     Christoph Hellwig <hch@....de>,
        SelvaKumar S <selvakuma.s1@...sung.com>,
        linux-nvme@...ts.infradead.org, kbusch@...nel.org, axboe@...nel.dk,
        damien.lemoal@....com, sagi@...mberg.me,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        dm-devel@...hat.com, snitzer@...hat.com, selvajove@...il.com,
        nj.shetty@...sung.com, joshi.k@...sung.com,
        javier.gonz@...sung.com,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Bart Van Assche <bvanassche@....org>,
        Mikulas Patocka <mpatocka@...hat.com>,
        linux-scsi@...r.kernel.org
Subject: Re: [RFC PATCH v2 0/2] add simple copy support


Hannes,

[Sorry I'm late to the discussion here, had a few fires going in
addition to the end of the kernel cycle]

> And we shouldn't forget that the main issue which killed all previous
> implementations was a missing QoS guarantee.

That and the fact that our arbitrary stacking situation was hard to
resolve.

The QoS guarantee was somewhat addressed by Fred in T10. But I agree we
need some sort of toggle.

-- 
Martin K. Petersen	Oracle Linux Engineering