Add TIOCL_GETKMSGREDIRECT needed by the userland suspend tool to get
the current value of kmsg_redirect from the kernel so that it can save it and
restore it after resume.
Signed-off-by: Rafael J. Wysocki <[email protected]>
---
drivers/char/vt.c | 4 ++++
include/linux/tiocl.h | 1 +
2 files changed, 5 insertions(+)
Index: linux-2.6.16-mm1/drivers/char/vt.c
===================================================================
--- linux-2.6.16-mm1.orig/drivers/char/vt.c
+++ linux-2.6.16-mm1/drivers/char/vt.c
@@ -2328,6 +2328,10 @@ int tioclinux(struct tty_struct *tty, un
case TIOCL_SETVESABLANK:
set_vesa_blanking(p);
break;
+ case TIOCL_GETKMSGREDIRECT:
+ data = kmsg_redirect;
+ ret = __put_user(data, p);
+ break;
case TIOCL_SETKMSGREDIRECT:
if (!capable(CAP_SYS_ADMIN)) {
ret = -EPERM;
Index: linux-2.6.16-mm1/include/linux/tiocl.h
===================================================================
--- linux-2.6.16-mm1.orig/include/linux/tiocl.h
+++ linux-2.6.16-mm1/include/linux/tiocl.h
@@ -34,5 +34,6 @@ struct tiocl_selection {
#define TIOCL_SCROLLCONSOLE 13 /* scroll console */
#define TIOCL_BLANKSCREEN 14 /* keep screen blank even if a key is pressed */
#define TIOCL_BLANKEDSCREEN 15 /* return which vt was blanked */
+#define TIOCL_GETKMSGREDIRECT 17 /* get the vt the kernel messages are restricted to */
#endif /* _LINUX_TIOCL_H */
-
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