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From: Mikael Pettersson <mikpe@csd.uu.se>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Andrew Morton <akpm@osdl.org>,
	Linux Kernel list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH][2.6.7-mm1] perfctr ppc32 update
Date: Tue, 22 Jun 2004 22:09:32 +0200	[thread overview]
Message-ID: <16600.37372.473221.988885@alkaid.it.uu.se> (raw)
In-Reply-To: <1087928274.1881.4.camel@gaston>

Benjamin Herrenschmidt writes:
 > Hrm... your code will not work with externally clocked timebases
 > (like the G5) and I'm not sure you get the core freq. right with
 > CPU that can do clock slewing or machines that can switch the
 > core/bus ratio (laptops).

Do you mean the PLL_CFG code that's been in -mm for the last couple
of weeks, or just the recently posted update? The update replaced
in-kernel /proc/cpuinfo parsing (gross) with OF queries taken straight
from the pmac code in arch/ppc/platform/.

I'm ignoring 970/G5 until IBM releases the damn documentation.

 > We should rather define an arch API to return those infos...

No argument there.

  reply	other threads:[~2004-06-22 20:15 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-06-21 20:14 [PATCH][2.6.7-mm1] perfctr ppc32 update Mikael Pettersson
2004-06-22 18:17 ` Benjamin Herrenschmidt
2004-06-22 20:09   ` Mikael Pettersson [this message]
2004-06-22 20:21     ` Benjamin Herrenschmidt
2004-06-22 20:40       ` Mikael Pettersson
2004-06-22 21:19         ` Benjamin Herrenschmidt
2004-06-22 22:18           ` Mikael Pettersson
2004-06-22 22:14             ` Benjamin Herrenschmidt

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