Date: Mon, 18 Feb 2002 19:25:38 -0500 (EST) From: Robert Watson <rwatson@freebsd.org> To: Julian Elischer <julian@elischer.org> Cc: arch@freebsd.org, dillon@freebsd.org, jhb@freebsd.org Subject: Re: that ucred invariant stuff. Message-ID: <Pine.NEB.3.96L.1020218192447.69361N-100000@fledge.watson.org> In-Reply-To: <Pine.BSF.4.21.0202180047480.39539-100000@InterJet.elischer.org>
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My understanding was that John saw this primarily as a debugging aid. No doubt: #ifdef OPTIONS_NULL_TD_UCRED ... #else ... #endif would be appropriate for general use once we're sure we're handling td_ucred fine, especially given the performance difference. Robert N M Watson FreeBSD Core Team, TrustedBSD Project robert@fledge.watson.org NAI Labs, Safeport Network Services On Mon, 18 Feb 2002, Julian Elischer wrote: > > John, do you REALLY want that invariant stuff to clear ucreds in user > space. Matt and I discussed it and we'd really prefer to just shoot it. > I'm not sure what it gives you but I'm planning on having a flag on teh > thread that says when the thread is supposed to be in user mode > so maybe you can test that instead if you suspect that you're accessing > a thread presently in userland. > > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-arch" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message
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