diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2022-02-17 18:40:54 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2022-02-17 18:40:54 -0300 |
| commit | 859f7e45542aecaa77fde929232cbcf91b29e11d (patch) | |
| tree | 5e81bbb0145bf2467e85ee8106734b4130f52ec0 /drivers/pci/controller/pci-hyperv.c | |
| parent | 052747700e914896e8c78ff019411487dc7c12a0 (diff) | |
| parent | b3d971ec25346d6890e9e8f05b63f758cfcef8c5 (diff) | |
Merge remote-tracking branch 'torvalds/master' into perf/core
To pick up fixes from perf/urgent that recently got merged.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'drivers/pci/controller/pci-hyperv.c')
| -rw-r--r-- | drivers/pci/controller/pci-hyperv.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c index 20ea2ee330b87..ae0bc2fee4ca8 100644 --- a/drivers/pci/controller/pci-hyperv.c +++ b/drivers/pci/controller/pci-hyperv.c @@ -2155,8 +2155,17 @@ static void hv_pci_assign_numa_node(struct hv_pcibus_device *hbus) if (!hv_dev) continue; - if (hv_dev->desc.flags & HV_PCI_DEVICE_FLAG_NUMA_AFFINITY) - set_dev_node(&dev->dev, hv_dev->desc.virtual_numa_node); + if (hv_dev->desc.flags & HV_PCI_DEVICE_FLAG_NUMA_AFFINITY && + hv_dev->desc.virtual_numa_node < num_possible_nodes()) + /* + * The kernel may boot with some NUMA nodes offline + * (e.g. in a KDUMP kernel) or with NUMA disabled via + * "numa=off". In those cases, adjust the host provided + * NUMA node to a valid NUMA node used by the kernel. + */ + set_dev_node(&dev->dev, + numa_map_to_online_node( + hv_dev->desc.virtual_numa_node)); put_pcichild(hv_dev); } |