From: Johannes Berg <johannes@sipsolutions•net>
To: Olof Johansson <olof@lixom•net>
Cc: linuxppc-dev@ozlabs•org, egor@pasemi•com, paulus@samba•org,
arnd@arndb•de, cpufreq@lists•linux.org.uk
Subject: Re: [PATCH v2] [2.6.22] pasemi: cpufreq driver
Date: Fri, 27 Apr 2007 11:40:03 +0200 [thread overview]
Message-ID: <1177666803.7828.30.camel@johannes.berg> (raw)
In-Reply-To: <20070426203710.GB17302@lixom.net>
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On Thu, 2007-04-26 at 15:37 -0500, Olof Johansson wrote:
> You can set the requested speed per-processor, but the actual speed
> will be the max of them. Because of this, it's less surprising to set
> it on both at the same time since then you'll at least know what you're
> running at.
>
> So yes, I'll change it to online_map instead of possible_map.
Ok, yeah, so effectively they all just go together (that additional
complication of running at the max probably should be hidden as you
note)
> Hmm, I just tried adding debugging to the cpu_init code, and I'm not
> seeing it called more than once (i.e. only for cpu 0). Mind you, I don't
> have cpu hotplug support at this time.
Oh right, you need cpu hotplug support for the bug to show up. What
happens then is you unplug and replug a CPU and the sysfs cpufreq stuff
for the CPU you just replugged is gone.
johannes
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next prev parent reply other threads:[~2007-04-27 9:40 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-25 20:46 [PATCH] [2.6.22] pasemi: cpufreq driver Olof Johansson
2007-04-25 23:47 ` Arnd Bergmann
2007-04-25 23:57 ` Olof Johansson
2007-04-26 1:57 ` Olof Johansson
2007-04-26 6:56 ` cbe_cpufreq crashes my machine Olof Johansson
2007-04-26 8:39 ` Benjamin Herrenschmidt
2007-04-26 23:07 ` [PATCH] cell: cbe_cpufreq cleanup and crash fix Olof Johansson
2007-04-27 5:22 ` [Cbe-oss-dev] " Akinobu Mita
2007-04-27 5:32 ` Olof Johansson
2007-04-27 5:33 ` [PATCH v2] " Olof Johansson
2007-04-27 7:55 ` Christian Krafft
2007-04-26 5:37 ` [PATCH v2] [2.6.22] pasemi: cpufreq driver Olof Johansson
2007-04-26 8:55 ` Arnd Bergmann
2007-04-26 16:48 ` Olof Johansson
2007-04-26 17:11 ` Arnd Bergmann
2007-04-26 19:05 ` Segher Boessenkool
2007-04-26 20:38 ` Olof Johansson
2007-04-27 0:10 ` Segher Boessenkool
2007-04-26 20:26 ` Olof Johansson
2007-04-26 20:43 ` Arnd Bergmann
2007-04-26 10:26 ` Johannes Berg
2007-04-26 20:37 ` Olof Johansson
2007-04-27 9:40 ` Johannes Berg [this message]
2007-04-27 18:09 ` Olof Johansson
2007-04-27 5:46 ` [PATCH v3] " Olof Johansson
2007-04-29 2:50 ` Dominik Brodowski
2007-04-29 3:40 ` Stephen Rothwell
2007-04-29 4:39 ` Olof Johansson
2007-04-29 4:42 ` Olof Johansson
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