Date: Tue, 10 Dec 2002 14:57:29 -0500 (EST) From: John Baldwin <jhb@FreeBSD.org> To: Nate Lawson <nate@root.org> Cc: Perforce Change Reviews <perforce@freebsd.org> Subject: Re: PERFORCE change 22140 for review Message-ID: <XFMail.20021210145729.jhb@FreeBSD.org> In-Reply-To: <Pine.BSF.4.21.0212101045390.28046-100000@root.org>
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On 10-Dec-2002 Nate Lawson wrote: > On Tue, 10 Dec 2002, John Baldwin wrote: >> http://perforce.freebsd.org/chv.cgi?CH=22140 >> Change 22140 by jhb@jhb_laptop on 2002/12/10 10:37:10 >> >> Add some hokie code to witness so that if we panic from spinning >> too long on a spin lock, we try to use witness info to determine >> where the other CPU acquired the lock in question. > > Would it make sense to leave this code out if WITNESS_SKIPSPIN is enabled? No, because you can enable spin locks via a loader tunable. -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe p4-projects" in the body of the message
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