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powerpc/numa: Suppress "VPHN is not supported" messages 

When VPHN function is not supported and during cpu hotplug event,
kernel prints message 'VPHN function not supported. Disabling
polling...'. Currently it prints on every hotplug event, it floods
dmesg when a KVM guest tries to hotplug huge number of vcpus, let's
just print once and suppress further kernel prints.

Signed-off-by: Satheesh Rajendran <sathnaga@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
hifive-unleashed-5.1
Satheesh Rajendran 2018-11-08 10:47:56 +05:30 committed by Michael Ellerman
parent 2c7645b0f7
commit 437ccdc8ce
1 changed files with 1 additions and 1 deletions
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2
arch/powerpc/mm/numa.c
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@ -1178,7 +1178,7 @@ static long vphn_get_associativity(unsigned long cpu,
switch (rc) {
case H_FUNCTION:
printk(KERN_INFO
printk_once(KERN_INFO
"VPHN is not supported. Disabling polling...\n");
stop_topology_update();
break;