Re: [PATCH v3 4/7] sound/radeon: Add quirk for broken 64-bit MSI

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On Thu, Oct 16, 2014 at 09:55:32AM +1100, Benjamin Herrenschmidt wrote:
> On Wed, 2014-10-15 at 16:19 -0600, Bjorn Helgaas wrote:
> >   PCI/MSI: Add device flag indicating that 64-bit MSIs don't work
> > 
> > I'd be happy to merge it, but given what I know now, I would wait and merge
> > it during the v3.19 merge window.  It sounds like it's more urgent than
> > that and should be merged earlier, but from the changelogs, it looks like
> > we're just replacing the powerpc-specific quirk with a more generic one.
> > 
> > So I assume you'll merge it via powerpc unless I hear otherwise.
> 
> Either way works but it's easy to keep it all in one series in one tree.
> 
> The urgency is that the current powerpc quirk works only with one specific
> card (ie, one device ID for gfx and one for audio) and misses the DMA limitation
> of the sound driver (which is a somewhat orthogonal issue but the patch for it is
> in the series).
> 
> Any other radeon card causes the machine to crash at boot (the driver doesn't
> recover well from the EEH error triggered by the bad MSI address and the world
> falls over from there).
> 
> So I want this to go back into distros.

I'm still assuming you're going to merge this series, but I don't see it in
your tree (https://git.kernel.org/cgit/linux/kernel/git/benh/powerpc.git/)
yet.  Do you want me to do anything with it?

Bjorn
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