Messages in this thread | | | Subject | Re: [PATCH] x86,pci: dmi check for mackpro 2.2 mmconf | From | Shaohua Li <> | Date | Wed, 23 Jul 2008 09:54:16 +0800 |
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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
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