linux-kernel - Re: [PATCH] video4linux: Push down the BKL

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 for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Fri, 23 May 2008 10:09:28 -0600
From:	corbet@....net (Jonathan Corbet)
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	video4linux-list@...hat.com, linux-kernel@...r.kernel.org,
	mchehab@...radead.org
Subject: Re: [PATCH] video4linux: Push down the BKL 

Alan Cox <alan@...rguk.ukuu.org.uk> wrote:

> The problem is that currently they are almost all unsafe - I did a quick
> survey as part of the changes. Pushing it down to the video2_ioctl is a
> starting point, but the v4l layer is going to need a lot of love and its
> own gradual migration.

Agreed.
 
> Right now we've gone from BKL buried in fs to BKL at top of v4l layer
> which is indeed only a starting point. I'd assumed the same as you are
> think a new video_ioctl2 and switching drivers one by one (I was assuming
> adding video2_ioctl_unlocked())

It sound like we're thinking the same way, yes.  Except I'd pick the
long name for the one we want to get rid of :)

BTW, drop me a pointer if you'd like this series pulled into the
ever-growing bkl-removal tree.

jon
--
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/