Re: MSI: Use correct data offset for 32-bit MSI in read_msi_msg()
From: Roland Dreier
Date: Wed Oct 03 2007 - 15:13:19 EST
> > While reading the MSI code trying to find a reason why MSI wouldn't
> > work for devices that have a 32-bit MSI address capability, I noticed
> > that read_msi_msg() seems to read the message data from the wrong
> > offset in this case.
> Doh! Sorry about that.
Doesn't matter, it wasn't the bug hitting me anyway :) the IRQ never
got affinity changed so read_msi_msg() never even got called.
I'm starting to think that Intel 945GM graphics just has a busted MSI
implementation, although there may be a bug hiding in the Linux code
that I'm not seeing.
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