Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 02 Mar 2001 13:01:43 -0800 (PST)
From:      John Baldwin <jhb@FreeBSD.org>
To:        Andrew Gallatin <gallatin@cs.duke.edu>
Cc:        ia64@FreeBSD.org, Doug Rabson <dfr@nlsystems.com>
Subject:   Re: Grrrr..
Message-ID:  <XFMail.010302130143.jhb@FreeBSD.org>
In-Reply-To: <15008.1482.524485.786926@grasshopper.cs.duke.edu>

next in thread | previous in thread | raw e-mail | index | archive | help

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. :)

> Drew

-- 

John Baldwin <jhb@FreeBSD.org> -- http://www.FreeBSD.org/~jhb/
PGP Key: http://www.baldwin.cx/~john/pgpkey.asc
"Power Users Use the Power to Serve!"  -  http://www.FreeBSD.org/

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-ia64" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?XFMail.010302130143.jhb>