diff options
Diffstat (limited to 'drivers/acpi/acpica')
-rw-r--r-- | drivers/acpi/acpica/acglobal.h | 4 | ||||
-rw-r--r-- | drivers/acpi/acpica/dscontrol.c | 2 | ||||
-rw-r--r-- | drivers/acpi/acpica/utinit.c | 1 |
3 files changed, 6 insertions, 1 deletions
diff --git a/drivers/acpi/acpica/acglobal.h b/drivers/acpi/acpica/acglobal.h index c5971923cba4..03c443b87c76 100644 --- a/drivers/acpi/acpica/acglobal.h +++ b/drivers/acpi/acpica/acglobal.h @@ -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); diff --git a/drivers/acpi/acpica/dscontrol.c b/drivers/acpi/acpica/dscontrol.c index 39da9da62bbf..435fc16e2f83 100644 --- a/drivers/acpi/acpica/dscontrol.c +++ b/drivers/acpi/acpica/dscontrol.c @@ -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; } diff --git a/drivers/acpi/acpica/utinit.c b/drivers/acpi/acpica/utinit.c index 7f897c63aa5b..28ab3a1d5ec1 100644 --- a/drivers/acpi/acpica/utinit.c +++ b/drivers/acpi/acpica/utinit.c @@ -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 */ |