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From: Shaohua Li <shaohua.li@intel.com>
To: Jack Howarth <howarth@bromo.msbb.uc.edu>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] x86,pci: dmi check for mackpro 2.2 mmconf
Date: Wed, 23 Jul 2008 09:54:16 +0800	[thread overview]
Message-ID: <1216778056.30000.2.camel@sli10-desk.sh.intel.com> (raw)
In-Reply-To: <20080723014137.GA12895@bromo.msbb.uc.edu>

On Tue, 2008-07-22 at 21:41 -0400, Jack Howarth wrote:
> Jesse,
>    The file /sys/module/pcie_aspm/parameters/policy
> shows...
> 
> [default] performance powersave 
you can observe a sysfs file 'link_state' under a pci root port.
/sys/device/...pcixxx/power/link_state.
if there is no such file for the port, then aspm is disabled for the
port.

> Reading the original patch, I don't quite see how it would
> show the aspm as disabled. I would think the current ASPM
> fix patch should be modified to output a kernel message that
> ASPM is being disabled because of pre-1.1 PCIe devices
> when it does that (assuming it is disabling across the
> board and not just for a specific device on the bus).
ok, I'll do this.

Thanks,
SHaohua


  reply	other threads:[~2008-07-23  1:46 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-07-22 23:37 Jack Howarth
2008-07-23  0:23 ` Jesse Barnes
2008-07-23  1:00   ` Jack Howarth
2008-07-23  1:32     ` Jesse Barnes
2008-07-23  1:41       ` Jack Howarth
2008-07-23  1:54         ` Shaohua Li [this message]
  -- strict thread matches above, loose matches on Subject: below --
2008-07-18 16:41 Yinghai Lu
2008-07-18 16:50 ` Jack Howarth
2008-07-18 17:44 ` H. Peter Anvin
2008-07-18 17:47   ` Yinghai Lu
2008-07-18 17:49     ` H. Peter Anvin
2008-07-18 17:54       ` Yinghai Lu
2008-07-18 20:19         ` Ingo Molnar
2008-07-18 20:21           ` Yinghai Lu
2008-07-18 20:21 ` Ingo Molnar
2008-07-18 20:26   ` Yinghai Lu
2008-07-19  0:58     ` Jack Howarth
2008-07-19  1:22       ` Yinghai Lu
2008-07-19  3:28         ` Jack Howarth
2008-07-19  3:43           ` Justin Mattock
2008-07-19  4:45           ` Yinghai Lu
2008-07-19  5:12             ` Jack Howarth
2008-07-19  5:28               ` Yinghai Lu
2008-07-19 17:26                 ` Jesse Barnes
2008-07-19 18:19                   ` Jack Howarth
2008-07-19 18:40                   ` Jack Howarth
2008-07-19 19:04                     ` Jesse Barnes
2008-07-19 19:14                       ` Jack Howarth
2008-07-21  6:49                         ` Shaohua Li
2008-07-22 21:15                           ` Jesse Barnes

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