---

yaml
---
r: 913
b: refs/heads/master
c: bb0fc08
h: refs/heads/master
i:
  911: fc9da48
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c0b12422e5e1d041026dd27074de17d2d7e32c4e
+refs/heads/master: bb0fc085457cf6a865b8232b0cefab3a7819df44

trunk/arch/ia64/hp/common/sba_iommu.c

@@ -1944,43 +1944,17 @@ sba_connect_bus(struct pci_bus *bus)
 static void __init
 sba_map_ioc_to_node(struct ioc *ioc, acpi_handle handle)
 {
-	struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
-	union acpi_object *obj;
-	acpi_handle phandle;
 	unsigned int node;
+	int pxm;
 
 	ioc->node = MAX_NUMNODES;
 
-	/*
-	 * Check for a _PXM on this node first.  We don't typically see
-	 * one here, so we'll end up getting it from the parent.
-	 */
-	if (ACPI_FAILURE(acpi_evaluate_object(handle, "_PXM", NULL, &buffer))) {
-		if (ACPI_FAILURE(acpi_get_parent(handle, &phandle)))
-			return;
-
-		/* Reset the acpi buffer */
-		buffer.length = ACPI_ALLOCATE_BUFFER;
-		buffer.pointer = NULL;
-
-		if (ACPI_FAILURE(acpi_evaluate_object(phandle, "_PXM", NULL,
-		                                      &buffer)))
-			return;
-	}
+	pxm = acpi_get_pxm(handle);
 
-	if (!buffer.length || !buffer.pointer)
+	if (pxm < 0)
 		return;
 
-	obj = buffer.pointer;
-
-	if (obj->type != ACPI_TYPE_INTEGER ||
-	    obj->integer.value >= MAX_PXM_DOMAINS) {
-		acpi_os_free(buffer.pointer);
-		return;
-	}
-
-	node = pxm_to_nid_map[obj->integer.value];
-	acpi_os_free(buffer.pointer);
+	node = pxm_to_nid_map[pxm];
 
 	if (node >= MAX_NUMNODES || !node_online(node))
 		return;

trunk/arch/ia64/kernel/acpi.c

@@ -779,7 +779,7 @@ acpi_map_iosapic (acpi_handle handle, u32 depth, void *context, void **ret)
 	union acpi_object *obj;
 	struct acpi_table_iosapic *iosapic;
 	unsigned int gsi_base;
-	int node;
+	int pxm, node;
 
 	/* Only care about objects w/ a method that returns the MADT */
 	if (ACPI_FAILURE(acpi_evaluate_object(handle, "_MAT", NULL, &buffer)))
@@ -805,29 +805,16 @@ acpi_map_iosapic (acpi_handle handle, u32 depth, void *context, void **ret)
 	gsi_base = iosapic->global_irq_base;
 
 	acpi_os_free(buffer.pointer);
-	buffer.length = ACPI_ALLOCATE_BUFFER;
-	buffer.pointer = NULL;
 
 	/*
-	 * OK, it's an IOSAPIC MADT entry, look for a _PXM method to tell
+	 * OK, it's an IOSAPIC MADT entry, look for a _PXM value to tell
 	 * us which node to associate this with.
 	 */
-	if (ACPI_FAILURE(acpi_evaluate_object(handle, "_PXM", NULL, &buffer)))
-		return AE_OK;
-
-	if (!buffer.length || !buffer.pointer)
-		return AE_OK;
-
-	obj = buffer.pointer;
-
-	if (obj->type != ACPI_TYPE_INTEGER ||
-	    obj->integer.value >= MAX_PXM_DOMAINS) {
-		acpi_os_free(buffer.pointer);
+	pxm = acpi_get_pxm(handle);
+	if (pxm < 0)
 		return AE_OK;
-	}
 
-	node = pxm_to_nid_map[obj->integer.value];
-	acpi_os_free(buffer.pointer);
+	node = pxm_to_nid_map[pxm];
 
 	if (node >= MAX_NUMNODES || !node_online(node) ||
 	    cpus_empty(node_to_cpumask(node)))