summaryrefslogtreecommitdiff
path: root/drivers/acpi/acpica/dsopcode.c
diff options
context:
space:
mode:
authorAlexey Starikovskiy <astarikovskiy@suse.de>2010-05-26 11:53:07 +0800
committerLen Brown <len.brown@intel.com>2010-07-06 22:33:56 -0400
commitc45b5c097001480e66d4c523eb715ad317a4ef77 (patch)
tree5b9415840b97a724537273db99b2c66975c63347 /drivers/acpi/acpica/dsopcode.c
parent5821f75421aa7c7bafdec291223153597f649934 (diff)
ACPICA: Performance enhancement for namespace search and access
This change enhances the performance of namespace searches and walks by adding a backpointer to the parent in each namespace node. On large namespaces, this change can improve overall ACPI performance by up to 9X. Adding a pointer to each namespace node increases the overall size of the internal namespace by about 5%, since each namespace entry usually consists of both a namespace node and an ACPI operand object. Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/acpica/dsopcode.c')
-rw-r--r--drivers/acpi/acpica/dsopcode.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/acpi/acpica/dsopcode.c b/drivers/acpi/acpica/dsopcode.c
index 53a7e416f33e..7c0e74227171 100644
--- a/drivers/acpi/acpica/dsopcode.c
+++ b/drivers/acpi/acpica/dsopcode.c
@@ -213,7 +213,7 @@ acpi_ds_get_buffer_field_arguments(union acpi_operand_object *obj_desc)
/* Execute the AML code for the term_arg arguments */
- status = acpi_ds_execute_arguments(node, acpi_ns_get_parent_node(node),
+ status = acpi_ds_execute_arguments(node, node->parent,
extra_desc->extra.aml_length,
extra_desc->extra.aml_start);
return_ACPI_STATUS(status);
@@ -257,7 +257,7 @@ acpi_ds_get_bank_field_arguments(union acpi_operand_object *obj_desc)
/* Execute the AML code for the term_arg arguments */
- status = acpi_ds_execute_arguments(node, acpi_ns_get_parent_node(node),
+ status = acpi_ds_execute_arguments(node, node->parent,
extra_desc->extra.aml_length,
extra_desc->extra.aml_start);
return_ACPI_STATUS(status);
@@ -394,7 +394,7 @@ acpi_status acpi_ds_get_region_arguments(union acpi_operand_object *obj_desc)
/* Execute the argument AML */
- status = acpi_ds_execute_arguments(node, acpi_ns_get_parent_node(node),
+ status = acpi_ds_execute_arguments(node, node->parent,
extra_desc->extra.aml_length,
extra_desc->extra.aml_start);
if (ACPI_FAILURE(status)) {