linux-kernel - Re: blk-mq flush fix

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:	Sun, 27 Oct 2013 22:29:25 +0000
From:	Jens Axboe <axboe@...nel.dk>
To:	Christoph Hellwig <hch@...radead.org>
Cc:	Alexander Gordeev <agordeev@...hat.com>, Tejun Heo <tj@...nel.org>,
	Nicholas Bellinger <nab@...ux-iscsi.org>,
	linux-kernel@...r.kernel.org
Subject: Re: blk-mq flush fix

On Sat, Oct 26 2013, Christoph Hellwig wrote:
> I think this variant of the patch from Alexander should fix the issue
> in a minimally invasive way.  Longer term I'd prefer to use q->flush_rq
> like in the non-mq case by copying over the context and tag information.

This one is pretty simple, we could definitely use it as a band aid. I
too would greatly prefer using the static ->flush_rq instead. Just have
it marked to bypass most of the free logic.

I'll add this one.

-- 
Jens Axboe

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/