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ACPICA: Unload operator: Emit a warning if and when it is ever used.

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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>
This commit is contained in:
Bob Moore 2014-04-04 12:37:26 +08:00 committed by Rafael J. Wysocki
parent 7ed8232648
commit 43d1a62d65
1 changed files with 7 additions and 0 deletions
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7
drivers/acpi/acpica/exconfig.c
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@ -575,6 +575,13 @@ 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()