All consoles found on for_each_console_srcu are registered, meaning that all of
them are already CON_ENABLEDed.

Signed-off-by: Marcos Paulo de Souza <mpdesouza@suse.com>
---
 kernel/printk/printk.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index 658acf92aa3d2a3d1e294b7e17e5ee96d8169afe..8074a0f73691cfc5f637361048097ace1545c7c0 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -3360,7 +3360,7 @@ void console_unblank(void)
 		if (flags & CON_SUSPENDED)
 			continue;
 
-		if ((flags & CON_ENABLED) && c->unblank) {
+		if (c->unblank) {
 			found_unblank = true;
 			break;
 		}
@@ -3402,7 +3402,7 @@ void console_unblank(void)
 		if (flags & CON_SUSPENDED)
 			continue;
 
-		if ((flags & CON_ENABLED) && c->unblank)
+		if (c->unblank)
 			c->unblank();
 	}
 	console_srcu_read_unlock(cookie);

-- 
2.49.0

On Fri 2025-06-06 23:53:49, Marcos Paulo de Souza wrote:
> All consoles found on for_each_console_srcu are registered, meaning that all of
> them are already CON_ENABLEDed.
> 
> Signed-off-by: Marcos Paulo de Souza <mpdesouza@suse.com>
> ---
>  kernel/printk/printk.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
> index 658acf92aa3d2a3d1e294b7e17e5ee96d8169afe..8074a0f73691cfc5f637361048097ace1545c7c0 100644
> --- a/kernel/printk/printk.c
> +++ b/kernel/printk/printk.c
> @@ -3360,7 +3360,7 @@ void console_unblank(void)
>  		if (flags & CON_SUSPENDED)
>  			continue;
>  
> -		if ((flags & CON_ENABLED) && c->unblank) {
> +		if (c->unblank) {

It might actually make sense to check is_console_usable() here.
The reason is similar as for the 5th and 6th patch, see
https://lore.kernel.org/r/aFAdGas9yGB4zhqc@pathway.suse.cz
https://lore.kernel.org/r/aFAiq3IEic8DuATR@pathway.suse.cz


>  			found_unblank = true;
>  			break;
>  		}
> @@ -3402,7 +3402,7 @@ void console_unblank(void)
>  		if (flags & CON_SUSPENDED)
>  			continue;
>  
> -		if ((flags & CON_ENABLED) && c->unblank)
> +		if (c->unblank)
>  			c->unblank();

Same here.

>  	}
>  	console_srcu_read_unlock(cookie);
> 
> -- 
> 2.49.0

Hi Petr,

On Mon, 16 Jun 2025 at 17:27, Petr Mladek <pmladek@suse.com> wrote:
> On Fri 2025-06-06 23:53:49, Marcos Paulo de Souza wrote:
> > All consoles found on for_each_console_srcu are registered, meaning that all of
> > them are already CON_ENABLEDed.
> >
> > Signed-off-by: Marcos Paulo de Souza <mpdesouza@suse.com>
> > ---
> >  kernel/printk/printk.c | 4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
> > index 658acf92aa3d2a3d1e294b7e17e5ee96d8169afe..8074a0f73691cfc5f637361048097ace1545c7c0 100644
> > --- a/kernel/printk/printk.c
> > +++ b/kernel/printk/printk.c
> > @@ -3360,7 +3360,7 @@ void console_unblank(void)
> >               if (flags & CON_SUSPENDED)
> >                       continue;
> >
> > -             if ((flags & CON_ENABLED) && c->unblank) {
> > +             if (c->unblank) {
>
> It might actually make sense to check is_console_usable() here.

My first thought was: one more to convert to a better name!
But the actual function is already called console_is_usable() ;-)

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds