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[printk,v2,15/18] tty: sysfs: Add nbcon support for 'active'

Message ID 20240603232453.33992-16-john.ogness@linutronix.de
State New
Headers show
Series add threaded printing + the rest | expand

Commit Message

John Ogness June 3, 2024, 11:24 p.m. UTC 
Allow the 'active' attribute to list nbcon consoles.

Signed-off-by: John Ogness <john.ogness@linutronix.de>
---
 drivers/tty/tty_io.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

Comments

Greg KH June 4, 2024, 11:48 a.m. UTC | #1 
On Tue, Jun 04, 2024 at 01:30:50AM +0206, John Ogness wrote:
> Allow the 'active' attribute to list nbcon consoles.
> 
> Signed-off-by: John Ogness <john.ogness@linutronix.de>
> ---
>  drivers/tty/tty_io.c | 9 +++++++--
>  1 file changed, 7 insertions(+), 2 deletions(-)

Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Petr Mladek July 1, 2024, 3:50 p.m. UTC | #2 
On Tue 2024-06-04 01:30:50, John Ogness wrote:
> Allow the 'active' attribute to list nbcon consoles.
> 
> Signed-off-by: John Ogness <john.ogness@linutronix.de>

Reviewed-by: Petr Mladek <pmladek@suse.com>

Best Regards,
Petr
diff mbox series

Patch

diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index 407b0d87b7c1..c9c914bc033c 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -3567,8 +3567,13 @@  static ssize_t show_cons_active(struct device *dev,
 	for_each_console(c) {
 		if (!c->device)
 			continue;
-		if (!c->write)
-			continue;
+		if (c->flags & CON_NBCON) {
+			if (!c->write_atomic && !c->write_thread)
+				continue;
+		} else {
+			if (!c->write)
+				continue;
+		}
 		if ((c->flags & CON_ENABLED) == 0)
 			continue;
 		cs[i++] = c;