Date: Mon, 28 Jun 1999 10:48:08 +0200 From: Poul-Henning Kamp <phk@critter.freebsd.dk> To: Nick Hibma <nick.hibma@jrc.it> Cc: Kirk McKusick <mckusick@FreeBSD.org>, cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/kern kern_lock.c Message-ID: <29716.930559688@critter.freebsd.dk> In-Reply-To: Your message of "Mon, 28 Jun 1999 10:38:13 %2B0200." <Pine.GSO.3.95q.990628103756.4320U-100000@elect8>
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did for me. In message <Pine.GSO.3.95q.990628103756.4320U-100000@elect8>, Nick Hibma writes: > >Does this solve the panic discussed in current? > >Nick > > >On Mon, 28 Jun 1999, Kirk McKusick wrote: > > > mckusick 1999/06/28 00:55:01 PDT > > > > Modified files: > > sys/kern kern_lock.c > > Log: > > When requesting an exclusive lock with LK_NOWAIT, do not panic > > if LK_RECURSIVE is not set, as we will simply return that the > > lock is busy and not actually deadlock. This allows processes > > to use polling locks against buffers that they may already > > hold exclusively locked. > > > > Revision Changes Path > > 1.27 +7 -5 src/sys/kern/kern_lock.c > > > > > > > > > > -- Poul-Henning Kamp FreeBSD coreteam member phk@FreeBSD.ORG "Real hackers run -current on their laptop." FreeBSD -- It will take a long time before progress goes too far! To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
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