linux-kernel - Re: [PATCH -mm][Take 2] clocksource init adjustments (fix bug #7426)

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Message-Id: <20070302.153045.71090285.davem@davemloft.net>
Date:	Fri, 02 Mar 2007 15:30:45 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	johnstul@...ibm.com
Cc:	akpm@...l.org, linux-kernel@...r.kernel.org,
	andreas.friedrich@...itsu-siemens.com, tglx@...utronix.de,
	dwalker@...sta.com
Subject: Re: [PATCH -mm][Take 2] clocksource init adjustments (fix bug
 #7426)

From: john stultz <johnstul@...ibm.com>
Date: Fri, 02 Mar 2007 15:24:00 -0800

> On Fri, 2007-03-02 at 12:32 -0800, David Miller wrote:
> > From: john stultz <johnstul@...ibm.com>
> > Date: Fri, 02 Mar 2007 11:58:11 -0800
> > 
> > > Oh! Sorry! Yea, looking at it more the ioremap isn't actually necessary,
> > > as we can use hpet_readl() instead of re-calculating the hpet base
> > > address pointer.
> > > 
> > > I'll fix this up (and find an HPET enabled x86_64 box to test it on) and
> > > get a patch to you shortly.
> > 
> > Not to pressure you John but I'd really like to see this go
> > in soon, it does fix real bugs such as the Radeon FB issue
> > I pointed out the other week.
> 
> Here's my second try at this. This time I caught three bugs from the
> last patch (all in x86_64):
> 1) Calling ioremap too early in the HPET code (which is unnecessary)
> 2) hpet_period local variable aliasing
> 3) forgot to re-add call to init_tsc_clocksource()
> 
> I boot tested on two x86_64 boxes (one ACPI PM and the other HPET).
> However it probably should still go through a bit of testing in -mm to
> make sure all the quirks are shaken out.

Agreed and it looks good to me after going over it a few times.
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