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