Date: Sat, 3 Mar 2001 11:11:43 +0000 (GMT) From: Doug Rabson <dfr@nlsystems.com> To: John Baldwin <jhb@FreeBSD.org> Cc: Andrew Gallatin <gallatin@cs.duke.edu>, <ia64@FreeBSD.org> Subject: Re: Grrrr.. Message-ID: <Pine.BSF.4.33.0103031109410.53125-100000@herring.nlsystems.com> In-Reply-To: <XFMail.010302130143.jhb@FreeBSD.org>
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On Fri, 2 Mar 2001, John Baldwin wrote: > > On 02-Mar-01 Andrew Gallatin wrote: > > > > Doug Rabson writes: > > > > > > I remember now. I always intended to redo pmap_map() via the direct-mapped > > > segments. This saves kernel virtual address space (of which there is > > > plenty) but more importantly saves TLB entries and on ia64 VHTP entries. I > > > just hacked up this patch which isn't tested on anything but I think its > > > on the right lines. Beware of conflicts - Drew Gallatin is working in this > > > area. > > > > > > > I'm done now (and your latest patch at the top of this thread > > incorporates my committed changes). > > > > I really like using the direct-mapped segment for this. > > I'm going to test this out on my alpha and i386 test boxes here at work. > If it works there, I think it should probably be committed. Not that I > am overwhelmed with pmap Clue atm. :) I would appreciate it if you could test on i386 since I'm not currently in a position to to i386 kernel work. It certainly appears to work on ia64 and I don't expect problems on alpha (I'll probably test that myself shortly though). -- Doug Rabson Mail: dfr@nlsystems.com Phone: +44 20 8348 6160 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-ia64" in the body of the message
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