9003a2498 removed checn from the DMA window pages allocator, however the VFIO driver tests limits before doing so by calling the get_table_size hook which was left behind; this fixes it.
Fixes: 9003a2498 "powerpc/powernv/ioda: Remove explicit max window size check" Signed-off-by: Alexey Kardashevskiy <a...@ozlabs.ru> --- It is properly tested now. Only affected folks for now are DPDK guys with machines with non-power-of-two physical RAM amount. --- arch/powerpc/platforms/powernv/pci-ioda.c | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c index b9146d5..1069f9c 100644 --- a/arch/powerpc/platforms/powernv/pci-ioda.c +++ b/arch/powerpc/platforms/powernv/pci-ioda.c @@ -2572,7 +2572,6 @@ static unsigned long pnv_pci_ioda2_get_table_size(__u32 page_shift, unsigned long direct_table_size; if (!levels || (levels > POWERNV_IOMMU_MAX_LEVELS) || - (window_size > memory_hotplug_max()) || !is_power_of_2(window_size)) return 0; -- 2.11.0