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-rw-r--r--kernel/trace/trace_output.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c
index aea6a1218c7d..070866c32eb9 100644
--- a/kernel/trace/trace_output.c
+++ b/kernel/trace/trace_output.c
@@ -124,6 +124,44 @@ EXPORT_SYMBOL(trace_print_symbols_seq);
#if BITS_PER_LONG == 32
const char *
+trace_print_flags_seq_u64(struct trace_seq *p, const char *delim,
+ unsigned long long flags,
+ const struct trace_print_flags_u64 *flag_array)
+{
+ unsigned long long mask;
+ const char *str;
+ const char *ret = trace_seq_buffer_ptr(p);
+ int i, first = 1;
+
+ for (i = 0; flag_array[i].name && flags; i++) {
+
+ mask = flag_array[i].mask;
+ if ((flags & mask) != mask)
+ continue;
+
+ str = flag_array[i].name;
+ flags &= ~mask;
+ if (!first && delim)
+ trace_seq_puts(p, delim);
+ else
+ first = 0;
+ trace_seq_puts(p, str);
+ }
+
+ /* check for left over flags */
+ if (flags) {
+ if (!first && delim)
+ trace_seq_puts(p, delim);
+ trace_seq_printf(p, "0x%llx", flags);
+ }
+
+ trace_seq_putc(p, 0);
+
+ return ret;
+}
+EXPORT_SYMBOL(trace_print_flags_seq_u64);
+
+const char *
trace_print_symbols_seq_u64(struct trace_seq *p, unsigned long long val,
const struct trace_print_flags_u64 *symbol_array)
{