linux-kernel - Re: [RFC][PATCH 2/6] x86_64: hpet

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Date:	Tue, 08 Aug 2006 20:08:16 -0700
From:	john stultz <johnstul@...ibm.com>
To:	Andi Kleen <ak@...e.de>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [RFC][PATCH 2/6] x86_64: hpet_address cleanup

On Wed, 2006-08-09 at 04:31 +0200, Andi Kleen wrote:
> On Wednesday 09 August 2006 04:17, john stultz wrote:
> > In preparation for supporting generic timekeeping, this patch cleans up 
> > x86-64's use of vxtime.hpet_address, changing it to just hpet_address 
> > as is also used in i386. This is necessary since the vxtime structure 
> > will be going away.
> 
> Does the kernel still boot with that patch only? 

Just tested, and yes it still boots, but my box doesn't have HPET so
that isn't much of a test. :(

As I said in the announce mail, I've not boot tested each step, I
suspect patches 4/6 and 5/6 will have troubles (vsyscall isn't disabled,
but the updating is). I'll try to address that in the next release.

> Your new variable doesn't seem to be exported to vsyscalls

The vxtime structure hasn't yet been removed and we set
vxtime.hpet_address = hpet_address in necessary spots, so it should be
ok.

thanks
-john

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