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Commit e9d764f8 authored by Nathan Fontenot's avatar Nathan Fontenot Committed by Michael Ellerman
Browse files

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: default avatarNathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent 90edf184

arch/powerpc/platforms/pseries/dlpar.c

+6 −0
Original line number Diff line number Diff line
@@ -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;