From: Ingo Molnar <mingo@elte.hu>
To: Eric Dumazet <dada1@cosmosbay.com>
Cc: Andi Kleen <ak@suse.de>,
akpm@osdl.org, Arjan van de Ven <arjan@infradead.org>,
Jeremy Fitzhardinge <jeremy@goop.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] i386-pda UP optimization
Date: Wed, 15 Nov 2006 19:01:05 +0100 [thread overview]
Message-ID: <20061115180105.GA29795@elte.hu> (raw)
In-Reply-To: <200611151858.09958.dada1@cosmosbay.com>
* Eric Dumazet <dada1@cosmosbay.com> wrote:
> > > + GET_CPU_NUM(%ebx) \
> > > PER_CPU(cpu_gdt_descr, %ebx); \
> > > movl GDS_address(%ebx), %ebx; \
> >
> > %ebx very definitely wants to have a current CPU number loaded ;) Pick
> > it up from the task struct.
>
> Hum.... Are you sure ?
>
> For UP we have this PER_CPU definition :
>
> #define PER_CPU(var, cpu) \
> movl $per_cpu__/**/var, cpu;
hm, you are right. No quick ideas then.
Ingo
next prev parent reply other threads:[~2006-11-15 18:02 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-12 7:35 i386 PDA patches use of %gs Arjan van de Ven
2006-09-12 7:48 ` Jeremy Fitzhardinge
2006-09-12 7:56 ` Arjan van de Ven
2006-09-12 8:31 ` Jeremy Fitzhardinge
2006-11-15 11:27 ` [PATCH] i386-pda UP optimization Eric Dumazet
2006-11-15 11:32 ` Andi Kleen
2006-11-15 17:20 ` Ingo Molnar
2006-11-15 17:24 ` Andi Kleen
2006-11-15 17:46 ` Eric Dumazet
2006-11-15 17:49 ` Ingo Molnar
2006-11-15 17:58 ` Eric Dumazet
2006-11-15 18:01 ` Ingo Molnar [this message]
2006-11-21 11:38 ` Eric Dumazet
2006-11-21 21:42 ` Jeremy Fitzhardinge
2006-11-21 21:52 ` Andi Kleen
2006-11-21 22:10 ` Jeremy Fitzhardinge
2006-11-21 21:58 ` Eric Dumazet
2006-11-21 23:12 ` Jeremy Fitzhardinge
2006-11-15 17:28 ` Jeremy Fitzhardinge
2006-11-15 17:32 ` Ingo Molnar
2006-11-15 17:59 ` Jeremy Fitzhardinge
2006-11-15 18:05 ` Eric Dumazet
2006-11-15 18:28 ` Jeremy Fitzhardinge
2006-11-15 18:31 ` Ingo Molnar
2006-11-15 18:01 ` Arjan van de Ven
2006-11-15 18:24 ` Jeremy Fitzhardinge
2006-11-15 19:06 ` Ingo Molnar
2006-11-17 0:24 ` Jeremy Fitzhardinge
2006-11-15 17:52 ` Jeremy Fitzhardinge
2006-11-28 23:12 ` Jeremy Fitzhardinge
2006-11-29 9:30 ` Eric Dumazet
2006-11-29 9:56 ` Jeremy Fitzhardinge
2006-09-13 1:00 ` i386 PDA patches use of %gs Jeremy Fitzhardinge
2006-09-13 9:59 ` Ingo Molnar
2006-09-13 16:17 ` Jeremy Fitzhardinge
2006-11-15 18:26 ` Ingo Molnar
2006-11-15 18:29 ` Ingo Molnar
2006-11-15 18:43 ` Jeremy Fitzhardinge
2006-11-15 18:44 ` Ingo Molnar
2006-11-15 18:39 ` Jeremy Fitzhardinge
2006-11-15 18:43 ` Ingo Molnar
2006-11-15 18:49 ` Jeremy Fitzhardinge
2006-11-15 18:49 ` Ingo Molnar
2006-11-15 19:00 ` Jeremy Fitzhardinge
2006-11-15 19:03 ` Ingo Molnar
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