Commit 4847d118 authored by Jiri Slaby (SUSE)'s avatar Jiri Slaby (SUSE) Committed by Greg Kroah-Hartman
Browse files

console: introduce console_lock guard()s 



Having this, guards like these work:
  guard(console_lock)();
or
  scoped_guard(console_lock) {
    ...
  }

See e.g. "vc_screen: use guard()s" later in this series.

Signed-off-by: default avatar"Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20250814072456.182853-2-jirislaby@kernel.org


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 9391ab1e

include/linux/console.h

+2 −0
Original line number Diff line number Diff line
@@ -666,6 +666,8 @@ void vcs_remove_sysfs(int index); 
 */

extern atomic_t ignore_console_lock_warning;



DEFINE_LOCK_GUARD_0(console_lock, console_lock(), console_unlock());



extern void console_init(void);



/* For deferred console takeover */