Date: Mon, 23 Feb 2004 09:45:42 -0500 From: John Baldwin <jhb@FreeBSD.org> To: "Poul-Henning Kamp" <phk@phk.freebsd.dk> Cc: cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/alpha/alpha mem.c promcons.c src/sys/alpha/tlsb zs_tlsb.c src/sys/amd64/amd64 mem.c src/sys/cam cam_xpt.c src/sys/cam/scsi scsi_ch.c scsi_pass.c scsi_pt.c s Message-ID: <200402230945.42440.jhb@FreeBSD.org> In-Reply-To: <67995.1077405236@critter.freebsd.dk> References: <67995.1077405236@critter.freebsd.dk>
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On Saturday 21 February 2004 06:13 pm, Poul-Henning Kamp wrote: > In message <20040221161339.X52892@pooker.samsco.home>, Scott Long writes: > >> A grace period is not possible, that is why I have been so vocal > >> with my heads-up messages to current for the last two weeks. > > > >What are the technical reasons for a grace period not being possible? > > The signflip on the GIANT flag. Which was arguably premature given the vast number of NEEDGIANT vs. NOGIANT case. The MPSAFE flag for interrupts hasn't been flipped yet either for that reason. -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org
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