diff options
Diffstat (limited to 'drivers/acpi/acpica/dbexec.c')
| -rw-r--r-- | drivers/acpi/acpica/dbexec.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/dbexec.c b/drivers/acpi/acpica/dbexec.c index 258e6157c658..d713e2df65b9 100644 --- a/drivers/acpi/acpica/dbexec.c +++ b/drivers/acpi/acpica/dbexec.c @@ -370,7 +370,17 @@ acpi_db_execute(char *name, char **args, acpi_object_type * types, u32 flags) #ifdef ACPI_DEBUG_OUTPUT u32 previous_allocations; u32 allocations; +#endif + /* + * Allow one execution to be performed by debugger or single step + * execution will be dead locked by the interpreter mutexes. + */ + if (acpi_gbl_method_executing) { + acpi_os_printf("Only one debugger execution is allowed.\n"); + return; + } +#ifdef ACPI_DEBUG_OUTPUT /* Memory allocation tracking */ previous_allocations = acpi_db_get_outstanding_allocations(); |