Messages in this thread | | | From | Bjorn Helgaas <> | Subject | Re: [PATCH] x86, HPET: ignore any PCI BARs that match an HPET we already know about | Date | Wed, 22 Sep 2010 14:19:36 -0600 |
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On Wednesday, September 22, 2010 02:15:47 pm Bjorn Helgaas wrote: > > We often discover the HPET early, via the static ACPI HPET table, before > enumerating PCI devices. If the HPET is implemented as a PCI function, > we will discover it again during PCI device enumeration. We must ignore > the PCI function so we don't inadvertently move it out from under the > driver. > > I think it's better to ignore *any* PCI BAR that matches a previously > discovered HPET; that way we don't need platform-specific knowledge, > and we won't have to add more quirks for future machines. > > This is for a regression from 2.6.34, but the reporter has been > unable to test it yet. > > Reference: https://bugzilla.kernel.org/show_bug.cgi?id=18482
I've tried hard to find somebody who can test this, but nobody who can reproduce the original failure has been able to test it. I propose that we put it in linux-next and see what happens there.
Bjorn
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