> From: Pranjal Shrivastava <[email protected]> > Sent: Friday, June 12, 2026 2:38 AM > > On Wed, Jun 10, 2026 at 04:43:15PM +0100, Matt Evans wrote: > > --- a/drivers/pci/Kconfig > > +++ b/drivers/pci/Kconfig > > @@ -206,11 +206,7 @@ config PCIE_TPH > > config PCI_P2PDMA > > bool "PCI peer-to-peer transfer support" > > depends on ZONE_DEVICE > > - # > > - # The need for the scatterlist DMA bus address flag means PCI > P2PDMA > > - # requires 64bit > > - # > > - depends on 64BIT > > + select PCI_P2PDMA_CORE > > select GENERIC_ALLOCATOR > > select NEED_SG_DMA_FLAGS > > help > > Nit: Did we drop depends on 64BIT intentionally here? I guess the full > PCI_P2PDMA stack still selects NEED_SG_DMA_FLAGS? IIRC, > NEED_SG_DMA_FLAGS > doesn't select 64BIT? >
seems that comment is stale. According to the commit msg: " it would make vfio-pci only available if CONFIG_ZONE_DEVICE is present (e.g. 64-bit systems), " so it sounds a redundant dependency hence is removed.
