From: Keith Owens <kaos@ocs.com.au>
To: Rusty Russell <rusty@rustcorp.com.au>
Cc: linux-kernel@vger.kernel.org, torvalds@transmeta.com
Subject: Re: [PATCH] 2.5.1-pre5: per-cpu areas
Date: Thu, 06 Dec 2001 18:21:25 +1100 [thread overview]
Message-ID: <12352.1007623285@kao2.melbourne.sgi.com> (raw)
In-Reply-To: Your message of "Thu, 06 Dec 2001 09:09:35 +1100." <E16BkER-0006J0-00@wagner>
On Thu, 06 Dec 2001 09:09:35 +1100,
Rusty Russell <rusty@rustcorp.com.au> wrote:
>The following patch implements convenient per-cpu areas:
Did you look at PERCPU_ADDR in ia64? Much (all?) of the per cpu data
is in struct cpuinfo_ia64 which is at the same virtual address on all
cpus but with different physical addresses on each cpu. Let the mmu do
the work. S390 does a similar trick, using the Prefixed Save Area
(PSA) which is virtual 0 but different physical addresses on each cpu.
next prev parent reply other threads:[~2001-12-06 7:21 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-12-05 22:09 [PATCH] 2.5.1-pre5: per-cpu areas Rusty Russell
2001-12-06 7:21 ` Keith Owens [this message]
2001-12-06 8:07 ` David S. Miller
2001-12-06 9:18 ` Chris Wedgwood
2001-12-07 15:03 ` Pavel Machek
[not found] <15504.7958.677592.908691@napali.hpl.hp.com>
2002-03-14 4:37 ` Rusty Russell
2002-03-14 5:05 ` Jeff Garzik
2002-03-14 11:14 ` Rusty Russell
2002-03-14 11:26 ` Jeff Garzik
2002-03-14 12:16 ` Rusty Russell
2002-03-14 12:25 ` Jeff Garzik
2002-03-15 1:00 ` Richard Henderson
2002-03-14 9:37 ` Richard Henderson
2002-03-14 18:06 ` David Mosberger
[not found] <15504.7958.677592.908691@napali.hpl.hp.com.suse.lists.linux.kernel>
[not found] ` <E16lMzi-0002bb-00@wagner.rustcorp.com.au.suse.lists.linux.kernel>
2002-03-14 8:39 ` Andi Kleen
2002-03-14 11:09 ` Rusty Russell
2002-03-14 11:14 ` Andi Kleen
2002-03-14 19:48 ` H. Peter Anvin
2002-03-14 18:04 ` David Mosberger
2002-03-14 18:51 ` Andi Kleen
2002-03-15 4:07 ` Rusty Russell
2002-03-15 9:13 ` Andi Kleen
2002-03-17 7:17 ` Rusty Russell
2002-03-18 7:35 ` Andi Kleen
2002-03-19 0:02 ` Rusty Russell
2002-03-19 0:08 ` J.A. Magallon
2002-03-19 0:15 ` Andi Kleen
2002-03-19 17:05 ` Richard Henderson
2002-03-15 4:19 ` David Mosberger
2002-03-15 5:52 ` Rusty Russell
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