diff options
author | Alexey Starikovskiy <astarikovskiy@suse.de> | 2010-05-26 07:59:51 +0200 |
---|---|---|
committer | Len Brown <len.brown@intel.com> | 2010-07-07 04:33:57 +0200 |
commit | a9fc03125ea0001ff18bc29da9539b587fdbd1d7 (patch) | |
tree | 721b794d27aa84780c8e8f0e01d2119713b01ca7 /drivers/acpi/acpica/dsmethod.c | |
parent | ACPICA: Update flags for operand object (diff) | |
download | linux-a9fc03125ea0001ff18bc29da9539b587fdbd1d7.tar.xz linux-a9fc03125ea0001ff18bc29da9539b587fdbd1d7.zip |
ACPICA: Optimization: Reduce the number of namespace walks
On control method exit, only walk the namespace if the method is
known to have created namespace objects outside of its local scope.
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/dsmethod.c')
-rw-r--r-- | drivers/acpi/acpica/dsmethod.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/acpi/acpica/dsmethod.c b/drivers/acpi/acpica/dsmethod.c index 00846333773e..64750ee96e20 100644 --- a/drivers/acpi/acpica/dsmethod.c +++ b/drivers/acpi/acpica/dsmethod.c @@ -584,8 +584,22 @@ acpi_ds_terminate_control_method(union acpi_operand_object *method_desc, * want make the objects permanent. */ if (!(method_desc->method.flags & AOPOBJ_MODULE_LEVEL)) { - acpi_ns_delete_namespace_by_owner(method_desc->method. - owner_id); + + /* Delete any direct children of (created by) this method */ + + acpi_ns_delete_namespace_subtree(walk_state-> + method_node); + + /* + * Delete any objects that were created by this method + * elsewhere in the namespace (if any were created). + */ + if (method_desc->method. + flags & AOPOBJ_MODIFIED_NAMESPACE) { + acpi_ns_delete_namespace_by_owner(method_desc-> + method. + owner_id); + } } } |