linux-kernel - RE: [PATCH, RFC] Create 'slot' sysfs attributein/sys/devices/system/cpu/cpuN/topology/

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Date:	Fri, 21 Mar 2008 16:58:30 -0700
From:	"Luck, Tony" <tony.luck@...el.com>
To:	"Alex Chiang" <achiang@...com>
Cc:	<lenb@...nel.org>, <linux-ia64@...r.kernel.org>,
	<linux-acpi@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH, RFC] Create 'slot' sysfs attributein/sys/devices/system/cpu/cpuN/topology/

+	if (ACPI_SUCCESS(acpi_get_handle(pr->handle, "_SUN", &handle))) {
+		status = acpi_evaluate_object(pr->handle,
+						"_SUN", NULL, &buffer);
+		if (ACPI_FAILURE(status))
+			object.integer.value = -1;
+	} else {
+		object.integer.value = -1;
+	}
+	arch_set_topology_slot(pr->id, object.integer.value);
+
 	if (!object.processor.pblk_address)
 		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No PBLK (NULL address)\n"));
 	else if (object.processor.pblk_length != 6)

I'm still seeing these messages:

 "ACPI: Invalid PBLK length [0]"

for every cpu.  Presumably because "object" is a union and when
you did the "object.integer.value = -1;" you scribbled on some bits
that were needed in the subsequent code.

-Tony
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