From: Ralf Baechle <ralf@linux-mips.org>
To: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Cc: mlachwani@mvista.com, linux-mips@linux-mips.org
Subject: Re: [PATCH]Preemption patch for 2.6
Date: Sun, 24 Oct 2004 17:41:49 +0200 [thread overview]
Message-ID: <20041024154149.GC30735@linux-mips.org> (raw)
In-Reply-To: <20041025.002850.74755987.anemo@mba.ocn.ne.jp>
On Mon, Oct 25, 2004 at 12:28:50AM +0900, Atsushi Nemoto wrote:
> mlachwani> The attached patch incorporates preemption enable/disable
> mlachwani> in some parts of the kernel. I have tested this on the
> mlachwani> Broadcom Sibyte. Please review ...
>
> 1. You add preempt_disable/preempt_enable to c-sb1.c and tlb-sb1.c.
> Those are SB1 specific issue? If not, please fix other c-*.c and
> tlb-*.c same way.
This an SMP issue and only affects the SB1 code.
The other CPU for which CVS supports SMP is the R10000 family; thanks to
having nice caches it's immune mostly immune to this kind of issue.
Ralf
next prev parent reply other threads:[~2004-10-24 15:42 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-22 18:06 [PATCH]Preemption patch for 2.6 Manish Lachwani
2004-10-24 15:28 ` Atsushi Nemoto
2004-10-24 15:41 ` Ralf Baechle [this message]
2005-04-18 9:32 ` Preemption in do_cpu (Re: [PATCH]Preemption patch for 2.6) Pavel Kiryukhin
2005-04-18 21:20 ` Jun Sun
2005-04-18 21:35 ` Manish Lachwani
2005-04-19 1:24 ` Preemption in do_cpu Atsushi Nemoto
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