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From: Shaohua Li <shaohua.li@intel.com>
To: Andi Kleen <andi@firstfloor.org>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>,
	Jesper Juhl <jesper.juhl@gmail.com>,
	linux-kernel@vger.kernel.org, Ingo Molnar <mingo@redhat.com>
Subject: Re: [PATCH] PCI Express ASPM support should default to 'No'
Date: Thu, 24 Apr 2008 16:02:06 +0800	[thread overview]
Message-ID: <1209024126.7479.0.camel@sli10-desk.sh.intel.com> (raw)
In-Reply-To: <87abjjzo84.fsf@basil.nowhere.org>


On Thu, 2008-04-24 at 09:49 +0200, Andi Kleen wrote:
> Shaohua Li <shaohua.li@intel.com> writes:
> 
> > On Tue, 2008-04-22 at 17:12 -0700, Jesse Barnes wrote:
> >> On Tuesday, April 22, 2008 3:28 pm Jesper Juhl wrote:
> >> > Running 'make oldconfig' I just noticed that PCIEASPM defaults to
> >> > 'y' in Kconfig even though the feature is both experimental and the
> >> > help text recommends that if you are unsure you say 'n'.
> >> > It seems to me that this really should default to 'n', not 'y' at the
> >> > moment.
> >> > The following patch makes that change. Please consider applying.
> >> 
> >> Seem reasonable, Shaohua?  Please cc linux-pci on PCI patches
> >> though...
> > Ok, I'm fine with the patch. Though by default, the policy is to use
> > BIOS setting, that is if BIOS disables ASPM, we don't enable it too.
> 
> Once the feature is considered stable it would be nice to make it
> default y
> again. I think any power saving should be on by default (unless
> serious
> issues are known), not off.
yes, we could do it in next release.

Thanks,
Shaohua


  reply	other threads:[~2008-04-24  7:59 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-04-22 22:28 [PATCH] PCI Express ASPM support should default to 'No' Jesper Juhl
2008-04-23  0:12 ` Jesse Barnes
2008-04-23  1:05   ` Shaohua Li
2008-04-23 22:46     ` Jesse Barnes
2008-04-24  7:49     ` Andi Kleen
2008-04-24  8:02       ` Shaohua Li [this message]
2008-04-24 15:33         ` Jesse Barnes
2008-04-25  1:16           ` Shaohua Li
2008-04-27 20:01       ` Jesper Juhl

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