git: bd94c8ab29c3 - main - [PowerPC] Fix NUMA checking for powernv
Brandon Bergren
bdragon at FreeBSD.org
Sun Mar 28 01:43:52 UTC 2021
The branch main has been updated by bdragon:
URL: https://cgit.FreeBSD.org/src/commit/?id=bd94c8ab29c3162bbb43973ee77ce245fe157fef
commit bd94c8ab29c3162bbb43973ee77ce245fe157fef
Author: Brandon Bergren <bdragon at FreeBSD.org>
AuthorDate: 2021-03-28 01:41:45 +0000
Commit: Brandon Bergren <bdragon at FreeBSD.org>
CommitDate: 2021-03-28 01:42:49 +0000
[PowerPC] Fix NUMA checking for powernv
At this point in startup, vm_ndomains has not been initialized. Switch
to checking kenv instead.
Fixes incorrect NUMA information being set on multi-domain systems like
Talos II.
Submitted by: jhibbits
MFC after: 2 weeks
---
sys/powerpc/powernv/platform_powernv.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/sys/powerpc/powernv/platform_powernv.c b/sys/powerpc/powernv/platform_powernv.c
index 434b642a66a8..d7acc544c2ed 100644
--- a/sys/powerpc/powernv/platform_powernv.c
+++ b/sys/powerpc/powernv/platform_powernv.c
@@ -532,7 +532,9 @@ powernv_node_numa_domain(platform_t platform, phandle_t node)
#ifndef NUMA
return (0);
#endif
- if (vm_ndomains == 1)
+ i = 0;
+ TUNABLE_INT_FETCH("vm.numa.disabled", &i);
+ if (i)
return (0);
res = OF_getencprop(node, "ibm,associativity",
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