diff options
| author | Philipp Hachtmann <phacht@linux.vnet.ibm.com> | 2014-03-06 18:25:13 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2015-08-03 18:40:25 +0200 |
| commit | 3a368f742da13955bed4a2efed85ed7c1d826bcc (patch) | |
| tree | 399d0b43b174206b1bb6418619d013528d4b28d4 /arch/s390/include/asm/pci.h | |
| parent | 199071f108f5641badc2a6970e1fa7ec469d5d12 (diff) | |
s390/numa: add core infrastructure
Enable core NUMA support for s390 and add one simple default mode "plain"
that creates one single NUMA node.
This patch contains several changes from Michael Holzheu.
Signed-off-by: Philipp Hachtmann <phacht@linux.vnet.ibm.com>
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/pci.h')
| -rw-r--r-- | arch/s390/include/asm/pci.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/s390/include/asm/pci.h b/arch/s390/include/asm/pci.h index 9b6545e8f685..34d960353a08 100644 --- a/arch/s390/include/asm/pci.h +++ b/arch/s390/include/asm/pci.h @@ -192,4 +192,20 @@ void zpci_debug_init_device(struct zpci_dev *); void zpci_debug_exit_device(struct zpci_dev *); void zpci_debug_info(struct zpci_dev *, struct seq_file *); +#ifdef CONFIG_NUMA + +/* Returns the node based on PCI bus */ +static inline int __pcibus_to_node(const struct pci_bus *bus) +{ + return NUMA_NO_NODE; +} + +static inline const struct cpumask * +cpumask_of_pcibus(const struct pci_bus *bus) +{ + return cpu_online_mask; +} + +#endif /* CONFIG_NUMA */ + #endif |