Re: Intel HD Audio: sound stops working in Xen PV dom0 in >=5.17

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On Mon, 23 Jan 2023 22:31:39 +0100,
Marek Marczykowski-Górecki wrote:
> 
> On Fri, Jan 20, 2023 at 02:19:08PM +0100, Takashi Iwai wrote:
> > On Fri, 20 Jan 2023 13:11:34 +0100,
> > Marek Marczykowski-Górecki wrote:
> > > 
> > It's puzzling, then.  The patch changes the allocation with the
> > dma_alloc_coherent(), and that's what does with the Kconfig hack
> > you've tested.  One possible significant difference is the use of the
> > DMA address.
> > 
> > > BTW, xen_domain() will also return true on PVH/HVM domain, which should
> > > not need any of this special treatment. It's PV that is weird.
> > 
> > OK, then it can be an overkill.
> > 
> > Below is another try: it changes the different use of the DMA buffer
> > address.  Let's cross fingers.
> 
> 3 days update and it still works!

Great, I'm going to submit the proper patches, then.
Thanks for your patient testing!


Takashi



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