dma-pool fixes

Amit Pundir amit.pundir at
Fri Jul 31 10:15:57 EDT 2020

On Fri, 31 Jul 2020 at 18:39, Christoph Hellwig <hch at> wrote:
> On Fri, Jul 31, 2020 at 01:16:34PM +0530, Amit Pundir wrote:
> > Hi Nicolas, Christoph,
> >
> > Just out of curiosity, I'm wondering if we can restore the earlier
> > behaviour and make DMA atomic allocation configured thru platform
> > specific device tree instead?
> >
> > Or if you can allow a more hackish approach to restore the earlier
> > logic, using of_machine_is_compatible() just for my device for the
> > time being. Meanwhile I'm checking with other developers running the
> > mainline kernel on sdm845 phones like OnePlus 6/6T, if they see this
> > issue too.
> If we don't find a fix for your platform I'm going to send Linus a
> last minute revert this weekend, to stick to the no regressions policy.
> I still hope we can fix the issue for real.

Thank you. I really appreciate that.

Fwiw I got a confirmation from Caleb (CCed) that he sees the same
boot regression on One Plus 6/6T family phones as well.

Amit Pundir

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