diff options
Diffstat (limited to 'include/linux/tty.h')
-rw-r--r-- | include/linux/tty.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/tty.h b/include/linux/tty.h index 15cf871046b3..a41146b6eaf4 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -293,6 +293,10 @@ struct tty_struct { struct termiox *termiox; /* May be NULL for unsupported */ char name[64]; struct pid *pgrp; /* Protected by ctrl lock */ + /* + * Writes protected by both ctrl lock and legacy mutex, readers must use + * at least one of them. + */ struct pid *session; unsigned long flags; int count; |