On Mon, May 15, 2017 at 02:22:02PM +0100, Lorenzo Pieralisi wrote: > This patch series is v2 of a previous posting: > > v1 -> v2: > > - Added missing call to acpi_pci_bus_find_numa_node() > - Rebased against v4.12-rc1 > > v1: https://lkml.org/lkml/2017/4/26/211 > > On the ARM64 architecture, the arch specific PCI pcibus_to_node() callback > can be triggered on struct pci_bus.sysdata structures that carry host > bridge specific data through different structures layout (ie sysdata > pointer points at different structs for different host bridges), therefore > it is not possible to have a unified pcibus_to_node() implementation. > > Given that the device NUMA node is a property of the struct pci_bus (and > its associated struct device), move the struct pci_bus node assignment to > generic PCI code, where according to the platform firmware the NUMA node > for the device backing the struct pci_bus is retrieved and propagated > through the PCI bus hierarchy. > > Lorenzo Pieralisi (3): > PCI: Introduce pci_bus_find_numa_node() > PCI: Add call to set-up NUMA node for struct pci_bus devices > PCI/ACPI: Add ACPI pci_bus_find_numa_node() implementation > > drivers/pci/pci-acpi.c | 20 ++++++++++++++++++++ > drivers/pci/pci.c | 6 ++++++ > drivers/pci/probe.c | 3 ++- > include/linux/pci.h | 7 +++++++ > 4 files changed, 35 insertions(+), 1 deletion(-) > Tested at dual-socketed system with Cavium ThunderX SoC. Tested with 4.11 kernel. No issues observed, numa_node value set appropriately for pci devices. Tested-by: Vadim Lomovtsev <Vadim.Lomovtsev@xxxxxxxxxxxxxxxxxx> > -- > 2.10.0 > WBR, Vadim
