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| author | Bob Moore <robert.moore@intel.com> | 2014-04-04 06:37:26 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2014-04-20 22:59:37 +0200 |
| commit | 43d1a62d651233fe4d28f7d9e8f9c13d2a1ad1bc (patch) | |
| tree | 6475b7612dbb84139386cb09b749f3c4ca3e3146 | |
| parent | ACPICA: gcc-specific: Fix possible issue with the strchr function. (diff) | |
| download | linux-43d1a62d651233fe4d28f7d9e8f9c13d2a1ad1bc.tar.xz linux-43d1a62d651233fe4d28f7d9e8f9c13d2a1ad1bc.zip | |
ACPICA: Unload operator: Emit a warning if and when it is ever used.
We would like to see the ASL for any machine that uses this operator,
so emit at least a warning to hopefully draw some attention.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
| -rw-r--r-- | drivers/acpi/acpica/exconfig.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/exconfig.c b/drivers/acpi/acpica/exconfig.c index 8ba1464efd11..1b734eb7c0c0 100644 --- a/drivers/acpi/acpica/exconfig.c +++ b/drivers/acpi/acpica/exconfig.c @@ -576,6 +576,13 @@ acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle) ACPI_FUNCTION_TRACE(ex_unload_table); /* + * Temporarily emit a warning so that the ASL for the machine can be + * hopefully obtained. This is to say that the Unload() operator is + * extremely rare if not completely unused. + */ + ACPI_WARNING((AE_INFO, "Received request to unload an ACPI table")); + + /* * Validate the handle * Although the handle is partially validated in acpi_ex_reconfiguration() * when it calls acpi_ex_resolve_operands(), the handle is more completely |