diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2011-01-23 17:22:16 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2011-01-24 18:27:32 +0000 |
| commit | 8a327f23e23fa509e6e3c2263ae1cc0a67dec387 (patch) | |
| tree | 119abf09e1ec9babaf78e6889187f9d54864b118 /drivers/acpi/acpica/nsdump.c | |
| parent | 5a9a8d1a99c617df82339456fbdd30d6ed3a856b (diff) | |
| parent | d315777b32a4696feb86f2a0c9e9f39c94683649 (diff) | |
Merge remote branch 'linus/master' into drm-intel-fixes
Merge with Linus to resolve conflicting fixes for the reusing the stale
HEAD value during intel_ring_wait().
Conflicts:
drivers/gpu/drm/i915/intel_ringbuffer.c
Diffstat (limited to 'drivers/acpi/acpica/nsdump.c')
| -rw-r--r-- | drivers/acpi/acpica/nsdump.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/acpi/acpica/nsdump.c b/drivers/acpi/acpica/nsdump.c index a54dc39e304b..b683cc2ff9d3 100644 --- a/drivers/acpi/acpica/nsdump.c +++ b/drivers/acpi/acpica/nsdump.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2010, Intel Corp. + * Copyright (C) 2000 - 2011, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -624,9 +624,22 @@ acpi_ns_dump_objects(acpi_object_type type, acpi_owner_id owner_id, acpi_handle start_handle) { struct acpi_walk_info info; + acpi_status status; ACPI_FUNCTION_ENTRY(); + /* + * Just lock the entire namespace for the duration of the dump. + * We don't want any changes to the namespace during this time, + * especially the temporary nodes since we are going to display + * them also. + */ + status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); + if (ACPI_FAILURE(status)) { + acpi_os_printf("Could not acquire namespace mutex\n"); + return; + } + info.debug_level = ACPI_LV_TABLES; info.owner_id = owner_id; info.display_type = display_type; @@ -636,6 +649,8 @@ acpi_ns_dump_objects(acpi_object_type type, ACPI_NS_WALK_TEMP_NODES, acpi_ns_dump_one_object, NULL, (void *)&info, NULL); + + (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); } #endif /* ACPI_FUTURE_USAGE */ |