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From: Cort Dougan <cort@fsmlabs.com>
To: "David S. Miller" <davem@redhat.com>
Cc: blah@kvack.org, torvalds@transmeta.com, tytso@mit.edu,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [RFC] atomic pte updates for x86 smp
Date: Wed, 11 Oct 2000 22:31:38 -0600	[thread overview]
Message-ID: <20001011223138.B962@hq.fsmlabs.com> (raw)
In-Reply-To: <200010120406.VAA07624@pizda.ninka.net>; from David S. Miller on Wed, Oct 11, 2000 at 09:06:45PM -0700

}    Date: 	Thu, 12 Oct 2000 00:03:31 -0400 (EDT)
}    From: "Benjamin C.R. LaHaise" <blah@kvack.org>
} 
}    It's safe because of how x86s hardware works
} 
} What about other platforms?

On the PPC's that don't do a hardware walk we do a normal write to the
hash table (with a spinlock).  On the hardware walk PPC's I'm told this is
done with with a lwarx/stwcx pair (conditional load/store on exclusive
access).

Any comments on how this would affect PPC?
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  reply	other threads:[~2000-10-12  4:31 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <200010090419.e994JQT09775@trampoline.thunk.org>
2000-10-10 20:53 ` Updated 2.4 TODO List Rik van Riel
2000-10-11  0:06   ` 2.4.0test9 vm: disappointing streaming i/o under load Chris Evans
2000-10-11 11:38     ` Eric Lowe
2000-10-11 20:59       ` Chris Evans
2000-10-11 22:10         ` Roger Larsson
2000-10-11 22:46           ` Chris Evans
2000-10-13 16:57             ` Rik van Riel
2000-10-11 18:38   ` Updated 2.4 TODO List tytso
2000-10-11 23:52     ` [RFC] atomic pte updates for x86 smp Ben LaHaise
2000-10-12  0:09       ` Linus Torvalds
2000-10-12  4:03         ` Benjamin C.R. LaHaise
2000-10-12  4:06           ` David S. Miller
2000-10-12  4:31             ` Cort Dougan [this message]
2000-10-12  4:37             ` Benjamin C.R. LaHaise
2000-10-12  6:42           ` Linus Torvalds
2000-10-12  8:13             ` Ingo Molnar
2000-10-12  8:56               ` David S. Miller
2000-10-12 10:05                 ` Ingo Molnar
2000-10-12 11:10                   ` Ingo Molnar
2000-10-12 15:10             ` Benjamin C.R. LaHaise

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