Date: Wed, 13 Nov 2002 10:49:55 -0500 (EST) From: Robert Watson <rwatson@FreeBSD.org> To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/kern kern_mac.c Message-ID: <Pine.NEB.3.96L.1021113104943.91561E-100000@fledge.watson.org> In-Reply-To: <200211131547.gADFl9QA038342@repoman.freebsd.org>
next in thread | previous in thread | raw e-mail | index | archive | help
Sigh, left out: Approved by: re Robert N M Watson FreeBSD Core Team, TrustedBSD Projects robert@fledge.watson.org Network Associates Laboratories On Wed, 13 Nov 2002, Robert Watson wrote: > rwatson 2002/11/13 07:47:09 PST > > Modified files: > sys/kern kern_mac.c > Log: > Introduce a condition variable to avoid returning EBUSY when > the MAC policy list is busy during a load or unload attempt. > We assert no locks held during the cv wait, meaning we should > be fairly deadlock-safe. Because of the cv model and busy > count, it's possible for a cv waiter waiting for exclusive > access to the policy list to be starved by active and > long-lived access control/labeling events. For now, we > accept that as a necessary tradeoff. > > Obtained from: TrustedBSD Project > Sponsored by: DARPA, Network Associates Laboratories > > Revision Changes Path > 1.67 +52 -29 src/sys/kern/kern_mac.c > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.NEB.3.96L.1021113104943.91561E-100000>