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powerpc/powernv: powernv_node_numa_domain() fix non-NUMA case

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If NUMA is not enabled in the kernel config, or is disabled at boot, this
function should just return domain 0 regardless of what's in the device
tree.

Fixes a panic in iflib with NUMA disabled.

Reported by:	luporl
This commit is contained in:
Justin Hibbits 2020-03-03 03:22:00 +00:00
parent 3580f3cfec
commit 6df6aae9bd
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=358565
1 changed files with 6 additions and 0 deletions
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6
sys/powerpc/powernv/platform_powernv.c
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@ -517,6 +517,12 @@ powernv_node_numa_domain(platform_t platform, phandle_t node)
cell_t associativity[5];
int i, res;
#ifndef NUMA
return (0);
#endif
if (vm_ndomains == 1)
return (0);
res = OF_getencprop(node, "ibm,associativity",
associativity, sizeof(associativity));