On Tue, 28 Jul 2020 at 17:37, Christoph Hellwig <[email protected]> wrote: > > On Tue, Jul 28, 2020 at 05:32:56PM +0530, Amit Pundir wrote: > > > can you try these two patches? The first one makes sure we don't apply > > > physical address based checks for IOMMU allocations, and the second one > > > is a slightly tweaked version of the patch from Nicolas to allow dipping > > > into the CMA areas for allocations to expand the atomic pools. > > > > Sorry, verified a couple of times but these two patches are not working > > for me. I'm stuck at the bootloader splash screen on my phone. > > Thanks for testing. The only intended functional change compared to > Fridays patch was the issue Nicolas pointed out. Can you try this hack > on top?
Yes, that worked. > > > diff --git a/kernel/dma/pool.c b/kernel/dma/pool.c > index 83fda10394937b..88e40a022b6bfd 100644 > --- a/kernel/dma/pool.c > +++ b/kernel/dma/pool.c > @@ -70,13 +70,14 @@ static bool cma_in_zone(gfp_t gfp) > size = cma_get_size(cma); > if (!size) > return false; > - > +#if 0 > /* CMA can't cross zone boundaries, see cma_activate_area() */ > end = cma_get_base(cma) - memblock_start_of_DRAM() + size - 1; > if (IS_ENABLED(CONFIG_ZONE_DMA) && (gfp & GFP_DMA)) > return end <= DMA_BIT_MASK(zone_dma_bits); > if (IS_ENABLED(CONFIG_ZONE_DMA32) && (gfp & GFP_DMA32)) > return end <= DMA_BIT_MASK(32); > +#endif > return true; > } > _______________________________________________ iommu mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/iommu
