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powerpc/pseries: Enable kernel CPU dlpar from sysfs 

Enable new kernel cpu hotplug functionality by allowing cpu dlpar requests
to be initiated from sysfs.

Signed-off-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Nathan Fontenot 2015-12-16 14:56:02 -06:00 committed by Michael Ellerman
parent 90edf184b9
commit e9d764f803
1 changed files with 6 additions and 0 deletions
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6
arch/powerpc/platforms/pseries/dlpar.c
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@ -356,6 +356,9 @@ static int handle_dlpar_errorlog(struct pseries_hp_errorlog *hp_elog)
case PSERIES_HP_ELOG_RESOURCE_MEM:
rc = dlpar_memory(hp_elog);
break;
case PSERIES_HP_ELOG_RESOURCE_CPU:
rc = dlpar_cpu(hp_elog);
break;
default:
pr_warn_ratelimited("Invalid resource (%d) specified\n",
hp_elog->resource);
@ -385,6 +388,9 @@ static ssize_t dlpar_store(struct class *class, struct class_attribute *attr,
if (!strncmp(arg, "memory", 6)) {
hp_elog->resource = PSERIES_HP_ELOG_RESOURCE_MEM;
arg += strlen("memory ");
} else if (!strncmp(arg, "cpu", 3)) {
hp_elog->resource = PSERIES_HP_ELOG_RESOURCE_CPU;
arg += strlen("cpu ");
} else {
pr_err("Invalid resource specified: \"%s\"\n", buf);
rc = -EINVAL;