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Re: [PATCH] vr41xx: fix problem with vr41xx_cpu_wait

To: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Subject: Re: [PATCH] vr41xx: fix problem with vr41xx_cpu_wait
From: Ralf Baechle <ralf@linux-mips.org>
Date: Wed, 6 Aug 2008 18:15:31 +0100
Cc: ricmm@gentoo.org, yoichi_yuasa@tripeaks.co.jp, linux-mips@linux-mips.org
In-reply-to: <20080807.021057.59650770.anemo@mba.ocn.ne.jp>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <200808060440.m764eF9I021783@po-mbox303.hop.2iij.net> <20080806.223033.128619389.anemo@mba.ocn.ne.jp> <20080806161710.GA22957@woodpecker.gentoo.org> <20080807.021057.59650770.anemo@mba.ocn.ne.jp>
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On Thu, Aug 07, 2008 at 02:10:57AM +0900, Atsushi Nemoto wrote:

> http://www.linux-mips.org/archives/linux-mips/2007-11/msg00123.html
> 
> To support vr41's standby instruction in same way, we might have to
> synthesise rollback_handle_int, etc. or r4k_wait at runtime...

The infrastructure for that is now there :-)  Another question of course
is if that stuff really deserve this ultimate degree of optimization.

  Ralf

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