From: "David S. Miller" <davem@redhat.com>
To: willy@debian.org
Cc: grundler@dsl2.external.hp.com, jsm@udlkern.fc.hp.com,
parisc-linux@lists.parisc-linux.org
Subject: Re: [parisc-linux] Re: RFC: mmap patch
Date: Sat, 08 Mar 2003 15:02:14 -0800 (PST) [thread overview]
Message-ID: <20030308.150214.30103426.davem@redhat.com> (raw)
In-Reply-To: <20030308231125.M3865@parcelfarce.linux.theplanet.co.uk>
From: Matthew Wilcox <willy@debian.org>
Date: Sat, 8 Mar 2003 23:11:25 +0000
One other difference you forgot is that Sparc64 has writethrough caches
and PA has writeback caches. This can make a difference.
It certainly could, but I think sparc64's schemes will work.
Please document any differences you discover, preferably with
text to go into Documentation/cachetlb.txt
The big variable is whether the cache lines are tagged with
physical addresses or not, that _does_ make a known difference.
But, it appears that so far all information suggests that
PA Risc uses physical tags.
next prev parent reply other threads:[~2003-03-08 23:23 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
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 [this message]
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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