linux-kernel - Re: [linux-pm] [3/6] 2.6.21-rc4: known regressions

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Message-Id: <200703281359.29009.david-b@pacbell.net>
Date:	Wed, 28 Mar 2007 13:59:26 -0700
From:	David Brownell <david-b@...bell.net>
To:	Maxim <maximlevitsky@...il.com>
Cc:	linux-pm@...ts.linux-foundation.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Jeff Chua <jeff.chua.linux@...il.com>,
	linux-ide@...r.kernel.org, gregkh@...e.de, linux-pm@...ts.osdl.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Adrian Bunk <bunk@...sta.de>, linux-acpi@...r.kernel.org,
	linux-pci@...ey.karlin.mff.cuni.cz,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Ingo Molnar <mingo@...e.hu>,
	Jens Axboe <jens.axboe@...cle.com>,
	"Michael S. Tsirkin" <mst@...lanox.co.il>,
	Thomas Gleixner <tglx@...utronix.de>, jgarzik@...ox.com,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [linux-pm] [3/6] 2.6.21-rc4: known regressions

On Wednesday 28 March 2007 1:19 pm, Maxim wrote:
> On Wednesday 28 March 2007 21:38:55 David Brownell wrote:

> > 
> > Also, making HPET use the legacy mode seems like a step backwards.

> 	It is not 'legacy' mode,
> It is a legacy replacement mode.

Typo, sorry.


> It this mode HPET takes over IRQ0 and IRQ 8 and provides this way
> replacement for PIT and RTC periodic function 

It's that RTC periodic thing that bothers me, I don't mind about
the PIT.  Remember that IRQ8 is also used for other RTC functions.

Now, if there were a way to tell rtc-cmos that HPET is active,
and arrange some kind of handshake ... that would be different.

- Dave
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