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From: Andrew Morton <akpm@linux-foundation.org>
To: Venki Pallipadi <venkatesh.pallipadi@intel.com>
Cc: linux-kernel@vger.kernel.org, tglx@linutronix.de
Subject: Re: [PATCH 1/7] ICH Force HPET: Make generic time capable of switching broadcast timer
Date: Sat, 23 Jun 2007 09:52:15 -0700	[thread overview]
Message-ID: <20070623095215.f882f1cb.akpm@linux-foundation.org> (raw)
In-Reply-To: <20070622203822.GA22807@linux-os.sc.intel.com>

> On Fri, 22 Jun 2007 13:38:22 -0700 Venki Pallipadi <venkatesh.pallipadi@intel.com> wrote:
> Auto-detect the presence of HPET on ICH5 or newer platforms and enable
> HPET for broadcast timer. This gives a bigger upperlimit for tickless time
> tick and improves the power consumption in comparison to PIT as broadcast timer.
> 
> This patch:
> 
> Change the broadcast timer, if a timer with higher rating becomes available.
> 

so...  is this the mysterious patchset which will get NOHZ working
on my little Vaio?

I _think_ what's going on here is that your code will go and poke the
hardware to enable the hpet even f the BIOS decided to hide its presence. 
Is that correct?  If so, perhaps the changelog should mention this
explicitly.

> Applies over linux-2.6.22-rc4-mm2 +
> tglx's  patch-2.6.22-rc4-mm2-hrt4 patch

Oh.  Well that tears that then.

Thomas, can I assume that you'll send all this stuff back at me?

  reply	other threads:[~2007-06-23 16:54 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-06-22 20:38 [PATCH 1/7] ICH Force HPET: Make generic time capable of switching broadcast timer Venki Pallipadi
2007-06-23 16:52 ` Andrew Morton [this message]
2007-06-23 23:17   ` Thomas Gleixner
2007-06-28  7:12 ` Andrew Morton
2007-06-28  8:27   ` Andrew Morton
2007-06-28 12:12     ` James Morris
2007-06-28 17:56       ` Andrew Morton
2007-06-28 12:45     ` Eric Paris
2007-06-28 18:02       ` Andrew Morton
2007-06-28 18:55         ` James Morris
2007-06-28 15:40     ` [PATCH 1/2] selinux: don't enable minimum mmap checking by default James Morris
2007-06-28 15:41       ` [PATCH 2/2] security: move mmap_min_addr sysctl to /proc/sys/vm James Morris
2007-06-28 19:05         ` Alexey Dobriyan
2007-06-28 19:12           ` James Morris
2007-06-28 15:45       ` [PATCH 1/2] selinux: don't enable minimum mmap checking by default Eric Paris

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