Date: Mon, 30 Jun 2008 13:37:54 +0100 (BST) From: Robert Watson <rwatson@FreeBSD.org> To: Joao Barros <joao.barros@gmail.com> Cc: arch@freebsd.org, current@freebsd.org Subject: Re: HEAD UP: non-MPSAFE network drivers to be disabled (was: 8.0 network stack MPsafety goals (fwd)) Message-ID: <20080630133649.P54631@fledge.watson.org> In-Reply-To: <70e8236f0806300243k69399808mf54ccb5796d395c0@mail.gmail.com> References: <20080524111715.T64552@fledge.watson.org> <20080629180126.F90836@fledge.watson.org> <20080630091033.P3968@fledge.watson.org> <70e8236f0806300243k69399808mf54ccb5796d395c0@mail.gmail.com>
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On Mon, 30 Jun 2008, Joao Barros wrote: > On Mon, Jun 30, 2008 at 9:27 AM, Robert Watson <rwatson@freebsd.org> wrote: >> The following USB drivers will remain enabled due to on-going USB work that >> should eliminate IFF_NEEDSGIANT: > > Is this on-going USB work just on the driver level or on the USB stack as > well? I assume both need to be touched for MP safety. Who is doing this > work? I'm not familiar with the details of the on-going work, but as I understand it, all USB device drivers have been fully locked and the requirement for IFF_NEEDSGIANT is eliminated. Perhaps Hans, Warner, or Alfred could provide some further insight in this area. Robert N M Watson Computer Laboratory University of Cambridge
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