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)
 {