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From: "David S. Miller" <davem@redhat.com>
To: kaos@ocs.com.au
Cc: rusty@rustcorp.com.au, linux-kernel@vger.kernel.org,
	torvalds@transmeta.com
Subject: Re: [PATCH] 2.5.1-pre5: per-cpu areas
Date: Thu, 06 Dec 2001 00:07:04 -0800 (PST)	[thread overview]
Message-ID: <20011206.000704.98557874.davem@redhat.com> (raw)
In-Reply-To: <12352.1007623285@kao2.melbourne.sgi.com>
In-Reply-To: <E16BkER-0006J0-00@wagner> <12352.1007623285@kao2.melbourne.sgi.com>

   From: Keith Owens <kaos@ocs.com.au>
   Date: Thu, 06 Dec 2001 18:21:25 +1100
   
   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.

What an absolutely aweful waste of a TLB entry.

  reply	other threads:[~2001-12-06  8:08 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
2001-12-06  8:07   ` David S. Miller [this message]
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  4:19           ` David Mosberger
2002-03-15  5:52             ` 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

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