On Fri, Jul 31, 2020 at 12:04:28PM -0700, David Rientjes wrote: > On Fri, 31 Jul 2020, Christoph Hellwig 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. > > > > What would be the scope of this potential revert?
I've just looked into that and it seems like we need to revert everything pool related back ot "dma-pool: add additional coherent pools to map to gfp mask". _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
