* Re: [PATCH] vt: add TIOCL_GETKMSGREDIRECT
2006-03-30 16:58 [PATCH] vt: add TIOCL_GETKMSGREDIRECT Rafael J. Wysocki
@ 2006-03-29 0:40 ` Pavel Machek
0 siblings, 0 replies; 2+ messages in thread
From: Pavel Machek @ 2006-03-29 0:40 UTC (permalink / raw)
To: Rafael J. Wysocki; +Cc: Andrew Morton, LKML
On Thu 30-03-06 18:58:26, Rafael J. Wysocki wrote:
> 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 <rjw@sisk.pl>
ACK, FWIW.
--
Thanks, Sharp!
^ permalink raw reply [flat|nested] 2+ messages in thread
* [PATCH] vt: add TIOCL_GETKMSGREDIRECT
@ 2006-03-30 16:58 Rafael J. Wysocki
2006-03-29 0:40 ` Pavel Machek
0 siblings, 1 reply; 2+ messages in thread
From: Rafael J. Wysocki @ 2006-03-30 16:58 UTC (permalink / raw)
To: Andrew Morton; +Cc: LKML, Pavel Machek
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 <rjw@sisk.pl>
---
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 */
^ permalink raw reply [flat|nested] 2+ messages in thread
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