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path: root/drivers/acpi/acpica/utdebug.c
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Diffstat (limited to 'drivers/acpi/acpica/utdebug.c')
-rw-r--r--drivers/acpi/acpica/utdebug.c31
1 files changed, 24 insertions, 7 deletions
diff --git a/drivers/acpi/acpica/utdebug.c b/drivers/acpi/acpica/utdebug.c
index 1a67b3944b3b..03ae8affe48f 100644
--- a/drivers/acpi/acpica/utdebug.c
+++ b/drivers/acpi/acpica/utdebug.c
@@ -185,6 +185,7 @@ acpi_debug_print(u32 requested_debug_level,
}
acpi_gbl_prev_thread_id = thread_id;
+ acpi_gbl_nesting_level = 0;
}
/*
@@ -193,13 +194,21 @@ acpi_debug_print(u32 requested_debug_level,
*/
acpi_os_printf("%9s-%04ld ", module_name, line_number);
+#ifdef ACPI_EXEC_APP
+ /*
+ * For acpi_exec only, emit the thread ID and nesting level.
+ * Note: nesting level is really only useful during a single-thread
+ * execution. Otherwise, multiple threads will keep resetting the
+ * level.
+ */
if (ACPI_LV_THREADS & acpi_dbg_level) {
acpi_os_printf("[%u] ", (u32)thread_id);
}
- acpi_os_printf("[%02ld] %-22.22s: ",
- acpi_gbl_nesting_level,
- acpi_ut_trim_function_name(function_name));
+ acpi_os_printf("[%02ld] ", acpi_gbl_nesting_level);
+#endif
+
+ acpi_os_printf("%-22.22s: ", acpi_ut_trim_function_name(function_name));
va_start(args, format);
acpi_os_vprintf(format, args);
@@ -420,7 +429,9 @@ acpi_ut_exit(u32 line_number,
component_id, "%s\n", acpi_gbl_fn_exit_str);
}
- acpi_gbl_nesting_level--;
+ if (acpi_gbl_nesting_level) {
+ acpi_gbl_nesting_level--;
+ }
}
ACPI_EXPORT_SYMBOL(acpi_ut_exit)
@@ -467,7 +478,9 @@ acpi_ut_status_exit(u32 line_number,
}
}
- acpi_gbl_nesting_level--;
+ if (acpi_gbl_nesting_level) {
+ acpi_gbl_nesting_level--;
+ }
}
ACPI_EXPORT_SYMBOL(acpi_ut_status_exit)
@@ -504,7 +517,9 @@ acpi_ut_value_exit(u32 line_number,
ACPI_FORMAT_UINT64(value));
}
- acpi_gbl_nesting_level--;
+ if (acpi_gbl_nesting_level) {
+ acpi_gbl_nesting_level--;
+ }
}
ACPI_EXPORT_SYMBOL(acpi_ut_value_exit)
@@ -540,7 +555,9 @@ acpi_ut_ptr_exit(u32 line_number,
ptr);
}
- acpi_gbl_nesting_level--;
+ if (acpi_gbl_nesting_level) {
+ acpi_gbl_nesting_level--;
+ }
}
#endif