From: Randolph Chung <tausq@debian.org>
To: Matthew Wilcox <willy@debian.org>
Cc: John Marvin <jsm@udlkern.fc.hp.com>,
parisc-linux@lists.parisc-linux.org, davem@redhat.com
Subject: Re: [parisc-linux] Re: RFC: mmap patch
Date: Thu, 6 Mar 2003 07:31:09 -0800 [thread overview]
Message-ID: <20030306153108.GA11751@tausq.org> (raw)
In-Reply-To: <20030306143149.B1549@parcelfarce.linux.theplanet.co.uk>
In reference to a message from Matthew Wilcox, dated Mar 06:
> > In my opinion this patch is a hack workaround for a real bug. parisc is
> > not the only architecture that has virtual tagged caches. Some mips
> > machines, sparc and ultrasparc machines have virtual tagged caches,
> > although none of them have virtual tagged caches as large as parisc (the
> > other architectures typically have a larger physical cache at a higher
[...]
> 1) This patch tausq did. Now we flush both user & kernel mappings for the
> data.
I should mention that this is almost exactly what arm does as well.
randolph
--
Randolph Chung
Debian GNU/Linux Developer, hppa/ia64 ports
http://www.tausq.org/
next prev parent reply other threads:[~2003-03-06 15:33 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-03-06 14:14 [parisc-linux] Re: RFC: mmap patch John Marvin
2003-03-06 14:31 ` Matthew Wilcox
2003-03-06 15:31 ` Randolph Chung [this message]
2003-03-08 6:30 ` Grant Grundler
2003-03-08 6:29 ` David S. Miller
2003-03-08 17:24 ` Grant Grundler
2003-03-08 19:04 ` David S. Miller
2003-03-08 20:42 ` Grant Grundler
2003-03-08 22:45 ` Matthew Wilcox
2003-03-08 23:00 ` David S. Miller
2003-03-08 23:27 ` Matthew Wilcox
2003-03-08 23:14 ` David S. Miller
2003-03-08 23:31 ` Randolph Chung
2003-03-08 23:15 ` David S. Miller
2003-03-09 2:15 ` Grant Grundler
2003-03-08 23:11 ` Matthew Wilcox
2003-03-08 23:02 ` David S. Miller
2003-03-09 14:42 ` Matthew Wilcox
2003-03-09 21:38 ` David S. Miller
2003-03-10 1:50 ` Matthew Wilcox
2003-03-10 5:18 ` David S. Miller
2003-03-14 13:04 ` Jochen Friedrich
2003-03-14 16:23 ` Grant Grundler
-- strict thread matches above, loose matches on Subject: below --
2003-03-09 3:42 John Marvin
2003-03-09 21:29 ` David S. Miller
2003-03-09 3:51 John Marvin
2003-03-09 21:31 ` David S. Miller
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