Date: Sun, 21 Dec 1997 02:56:21 +1030 From: Mike Smith <mike@smith.net.au> To: Michael Hancock <michaelh@cet.co.jp> Cc: Mike Smith <mike@smith.net.au>, John-Mark Gurney <gurney_j@resnet.uoregon.edu>, freebsd-hackers@FreeBSD.ORG Subject: Re: converting drivers to dynamic memory... Message-ID: <199712201626.CAA00362@word.smith.net.au> In-Reply-To: Your message of "Sat, 20 Dec 1997 09:10:37 %2B0900." <Pine.SV4.3.95.971220085006.10306C-100000@parkplace.cet.co.jp>
next in thread | previous in thread | raw e-mail | index | archive | help
> > ... but of course dereferencing a pointer (hardly) requires any > > parallelisation. Why go to all this complexity when all you are > > interesting in doing is taking an opaque token and obtaining the > > address of a (reasonably non-motile) structure? > > Sorry, I haven't been following the thread. I jumped in when I noticed > talk about data structures. If the structure is read-only then you don't > have a problem. We're talking about replacing dev_t with something more opaque; in this case something that can be dereferenced appropriately in order to immediately obtain a value (normally the softc structure address) saved when the device node was created. mike
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199712201626.CAA00362>