Date: Thu, 12 Mar 2009 08:51:35 -0400 From: John Baldwin <jhb@freebsd.org> To: "M. Warner Losh" <imp@bsdimp.com> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r189619 - head/sys/dev/cardbus Message-ID: <200903120851.36103.jhb@freebsd.org> In-Reply-To: <20090312.010328.-1666181653.imp@bsdimp.com> References: <200903101210.n2ACApQ0061838@svn.freebsd.org> <200903100904.38679.jhb@freebsd.org> <20090312.010328.-1666181653.imp@bsdimp.com>
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On Thursday 12 March 2009 3:03:28 am M. Warner Losh wrote: > In message: <200903100904.38679.jhb@freebsd.org> > John Baldwin <jhb@freebsd.org> writes: > : It might be best to do this before releasing the resources rather than > : afterwards. > > It certainly does no harm to move them, and I will do so. > > However, what problems do you see with doing it in the current order? > I can't think of anything bad that could happen, but my imagination > has been a bit poor lately... The only thing that could theoretically happen is that the resources could be given to another device while the cardbus card is still decoding them. In practice this can't really happen right now since new-bus is still single-threaded and I believe most cardbus busses are subtractive-decode. -- John Baldwin
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