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 2f1b61d8b151..641c93acc557 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -305,6 +305,10 @@ 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; |