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ACPICA: Make the max-number-of-loops runtime configurable 

ACPICA commit a9d9c2d0c2d077bb3175ec9c252cf0e5da3efd45

Was previously compile-time only.
Add support option for acpiexec.

Link: https://github.com/acpica/acpica/commit/a9d9c2d0
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 2015-08-25 10:30:00 +08:00 committed by Rafael J. Wysocki
parent e69ab9a99e
commit 47cdf8c692
4 changed files with 6 additions and 5 deletions
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4
drivers/acpi/acpica/acglobal.h
View File

@ -236,6 +236,10 @@ ACPI_INIT_GLOBAL(u32, acpi_gbl_nesting_level, 0);
ACPI_GLOBAL(struct acpi_thread_state *, acpi_gbl_current_walk_list);
/* Maximum number of While() loop iterations before forced abort */
ACPI_GLOBAL(u16, acpi_gbl_max_loop_iterations);
/* Control method single step flag */
ACPI_GLOBAL(u8, acpi_gbl_cm_single_step);

2
drivers/acpi/acpica/dscontrol.c
View File

@ -212,7 +212,7 @@ acpi_ds_exec_end_control_op(struct acpi_walk_state * walk_state,
*/
control_state->control.loop_count++;
if (control_state->control.loop_count >
ACPI_MAX_LOOP_ITERATIONS) {
acpi_gbl_max_loop_iterations) {
status = AE_AML_INFINITE_LOOP;
break;
}

1
drivers/acpi/acpica/utinit.c
View File

@ -207,6 +207,7 @@ acpi_status acpi_ut_init_globals(void)
acpi_gbl_debugger_configuration = DEBUGGER_THREADING;
acpi_gbl_osi_mutex = NULL;
acpi_gbl_reg_methods_executed = FALSE;
acpi_gbl_max_loop_iterations = 0xFFFF;
/* Hardware oriented */

4
include/acpi/acconfig.h
View File

@ -136,10 +136,6 @@
#define ACPI_ROOT_TABLE_SIZE_INCREMENT 4
/* Maximum number of While() loop iterations before forced abort */
#define ACPI_MAX_LOOP_ITERATIONS 0xFFFF
/* Maximum sleep allowed via Sleep() operator */
#define ACPI_MAX_SLEEP 2000 /* 2000 millisec == two seconds */