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Message-ID: <20090216181936.GA9831@srcf.ucam.org> Date: Mon, 16 Feb 2009 18:19:36 +0000 From: Matthew Garrett <mjg59@...f.ucam.org> To: Thomas Renninger <trenn@...e.de> Cc: linux-kernel@...r.kernel.org Subject: Re: cpuinfo shows wrong MHz value On Mon, Feb 16, 2009 at 07:13:15PM +0100, Thomas Renninger wrote: > On Monday 16 February 2009 17:50:08 Matthew Garrett wrote: > > On Mon, Feb 16, 2009 at 02:19:50PM +0000, Thomas Renninger wrote: > > > > > There should be a message when this driver is loaded like: > > > "This driver is broken. Don't use it, don't complain." > > > > Please don't. It's perfectly valid (if dumb) for machines to depend on > > the CPU for passive cooling even if they don't expose any P or T states. > No it's not valid. If the BIOS does not export these, it could be for > a reason. We have to deal with insane BIOSes on a regular basis. > > In that case p4-clockmod is the only code that can manage it. The > > removal of the user-visible cpufreq interface should be a strong enough > > hint that it's not intended for speed control. > AFAIK p4-clockmode is still not synchronized with ACPI throttling? It ought to work fine with any systems using MSR-based throttling. > Anyway, I better do not answer on p4_clockmode complaints anymore and > simply delete them, it's just a waste of time. Feel free. -- Matthew Garrett | mjg59@...f.ucam.org -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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