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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Paul Mackerras <paulus@samba.org>
Cc: linuxppc-dev@ozlabs.org
Subject: Re: Worst case performance of up()
Date: Fri, 08 Dec 2006 14:10:59 +1100	[thread overview]
Message-ID: <1165547459.5027.48.camel@localhost.localdomain> (raw)
In-Reply-To: <17784.52970.343161.782030@cargo.ozlabs.ibm.com>

On Fri, 2006-12-08 at 13:33 +1100, Paul Mackerras wrote:
> Benjamin Herrenschmidt writes:
> 
> > Paul, do you reckon the best solution here is to clear ppc_md.power_save
> > when detecting an SMP powermac ? (Or the flush-on-lock property)
> 
> Yes, that sounds good.  It would let us get rid of the runtime cpu
> feature check in idle_6xx.c too.

We would have to do something about users flippin powersave_nap tho...

Ben.

      reply	other threads:[~2006-12-08  4:11 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-11-24 16:21 Worst case performance of up() Adrian Cox
2006-11-24 20:45 ` Benjamin Herrenschmidt
2006-11-27 21:02   ` Adrian Cox
2006-12-02 10:35     ` Adrian Cox
2006-12-02 11:15       ` Benjamin Herrenschmidt
2006-12-02 11:54         ` Adrian Cox
2006-12-02 20:52           ` Benjamin Herrenschmidt
2006-12-04 13:43             ` Adrian Cox
2006-12-04 20:25               ` Benjamin Herrenschmidt
2006-12-05 22:00                 ` Benjamin Herrenschmidt
2006-12-08  2:33                   ` Paul Mackerras
2006-12-08  3:10                     ` Benjamin Herrenschmidt [this message]

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