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
| ||
|
Date: Sat, 26 May 2007 12:12:02 -0400 From: Bill Davidsen <davidsen@....com> To: linux-kernel@...r.kernel.org Cc: Mark Lord <lkml@....ca>, Dmitry Torokhov <dtor@...ightbb.com>, Pierre Ossman <drzeus-list@...eus.cx>, LKML <linux-kernel@...r.kernel.org> Subject: Re: Race free attributes in sysfs Greg KH wrote: > On Wed, May 23, 2007 at 09:27:12AM -0400, Mark Lord wrote: >> Greg KH wrote: >>> And yes, it only starts to look for things when it recieves an event, it >>> does not "scan" sysfs at all. >> Does it "look for" only that one event, or does it "scan" at that point? > > udev will act on that event, and as I mentioned, not read anything from > sysfs at all, unless a custom rule is in the rules file asking it to > read a specific sysfs file in the tree. > > So no "scanning" happens unless specificically asked for. > > And as mentioned, udev can work just fine without sysfs enabled at all > now, with the exception of some custom rules for some devices. > I think what Mark is asking is about the case where udev gets an event, is told to look in sysfs, and while looking encounters a partially described device. Now that the "this won't happen unless..." cases, could someone cover this and state that it either can't happen because {reason} or that if it does the result will be {description}. -- Bill Davidsen <davidsen@....com> "We have more to fear from the bungling of the incompetent than from the machinations of the wicked." - from Slashdot - 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/
Powered by blists - more mailing lists