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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

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Pull more rdma updates from Jason Gunthorpe:
 "This is the SMC cleanup promised, a randconfig regression fix, and
  kernel oops fix.

  Summary:

   - Switch SMC over to rdma_get_gid_attr and remove the compat

   - Fix a crash in HFI1 with some BIOS's

   - Fix a randconfig failure"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
  IB/ucm: fix UCM link error
  IB/hfi1: Invalid NUMA node information can cause a divide by zero
  RDMA/smc: Replace ib_query_gid with rdma_get_gid_attr
This commit is contained in:
Linus Torvalds
2018-08-23 15:34:48 -07:00
parent 706a1ea65e 845b397a77
commit 1290290c92
4 changed files with 47 additions and 51 deletions
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2
drivers/infiniband/Kconfig
View File

@@ -36,7 +36,7 @@ config INFINIBAND_USER_ACCESS
rdma-core <https://github.com/linux-rdma/rdma-core>.
config INFINIBAND_USER_ACCESS_UCM
bool "Userspace CM (UCM, DEPRECATED)"
tristate "Userspace CM (UCM, DEPRECATED)"
depends on BROKEN || COMPILE_TEST
depends on INFINIBAND_USER_ACCESS
help

24
drivers/infiniband/hw/hfi1/affinity.c
View File

@@ -198,7 +198,7 @@ int node_affinity_init(void)
while ((dev = pci_get_device(ids->vendor, ids->device, dev))) {
node = pcibus_to_node(dev->bus);
if (node < 0)
node = numa_node_id();
goto out;
hfi1_per_node_cntr[node]++;
}
@@ -206,6 +206,18 @@ int node_affinity_init(void)
}
return 0;
out:
/*
* Invalid PCI NUMA node information found, note it, and populate
* our database 1:1.
*/
pr_err("HFI: Invalid PCI NUMA node. Performance may be affected\n");
pr_err("HFI: System BIOS may need to be upgraded\n");
for (node = 0; node < node_affinity.num_possible_nodes; node++)
hfi1_per_node_cntr[node] = 1;
return 0;
}
static void node_affinity_destroy(struct hfi1_affinity_node *entry)
@@ -622,8 +634,14 @@ int hfi1_dev_affinity_init(struct hfi1_devdata *dd)
int curr_cpu, possible, i, ret;
bool new_entry = false;
if (node < 0)
node = numa_node_id();
/*
* If the BIOS does not have the NUMA node information set, select
* NUMA 0 so we get consistent performance.
*/
if (node < 0) {
dd_dev_err(dd, "Invalid PCI NUMA node. Performance may be affected\n");
node = 0;
}
dd->node = node;
local_mask = cpumask_of_node(dd->node);