diff options
Diffstat (limited to 'debian/patches-rt/0021-printk-Make-console_is_usable-available-to-nbcon.patch')
-rw-r--r-- | debian/patches-rt/0021-printk-Make-console_is_usable-available-to-nbcon.patch | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/debian/patches-rt/0021-printk-Make-console_is_usable-available-to-nbcon.patch b/debian/patches-rt/0021-printk-Make-console_is_usable-available-to-nbcon.patch deleted file mode 100644 index c3fecf4e31..0000000000 --- a/debian/patches-rt/0021-printk-Make-console_is_usable-available-to-nbcon.patch +++ /dev/null @@ -1,103 +0,0 @@ -From: John Ogness <john.ogness@linutronix.de> -Date: Tue, 12 Sep 2023 13:25:41 +0000 -Subject: [PATCH 21/50] printk: Make console_is_usable() available to nbcon -Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/6.7/older/patches-6.7-rt6.tar.xz - -Move console_is_usable() as-is into internal.h so that it can -be used by nbcon printing functions as well. - -Signed-off-by: John Ogness <john.ogness@linutronix.de> -Reviewed-by: Petr Mladek <pmladek@suse.com> -Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> ---- - kernel/printk/internal.h | 32 ++++++++++++++++++++++++++++++++ - kernel/printk/printk.c | 30 ------------------------------ - 2 files changed, 32 insertions(+), 30 deletions(-) - ---- a/kernel/printk/internal.h -+++ b/kernel/printk/internal.h -@@ -78,6 +78,36 @@ bool nbcon_alloc(struct console *con); - void nbcon_init(struct console *con); - void nbcon_free(struct console *con); - -+/* -+ * Check if the given console is currently capable and allowed to print -+ * records. -+ * -+ * Requires the console_srcu_read_lock. -+ */ -+static inline bool console_is_usable(struct console *con) -+{ -+ short flags = console_srcu_read_flags(con); -+ -+ if (!(flags & CON_ENABLED)) -+ return false; -+ -+ if ((flags & CON_SUSPENDED)) -+ return false; -+ -+ if (!con->write) -+ return false; -+ -+ /* -+ * Console drivers may assume that per-cpu resources have been -+ * allocated. So unless they're explicitly marked as being able to -+ * cope (CON_ANYTIME) don't call them until this CPU is officially up. -+ */ -+ if (!cpu_online(raw_smp_processor_id()) && !(flags & CON_ANYTIME)) -+ return false; -+ -+ return true; -+} -+ - #else - - #define PRINTK_PREFIX_MAX 0 -@@ -99,6 +129,8 @@ static inline bool nbcon_alloc(struct co - static inline void nbcon_init(struct console *con) { } - static inline void nbcon_free(struct console *con) { } - -+static inline bool console_is_usable(struct console *con) { return false; } -+ - #endif /* CONFIG_PRINTK */ - - extern struct printk_buffers printk_shared_pbufs; ---- a/kernel/printk/printk.c -+++ b/kernel/printk/printk.c -@@ -2702,36 +2702,6 @@ int is_console_locked(void) - } - EXPORT_SYMBOL(is_console_locked); - --/* -- * Check if the given console is currently capable and allowed to print -- * records. -- * -- * Requires the console_srcu_read_lock. -- */ --static inline bool console_is_usable(struct console *con) --{ -- short flags = console_srcu_read_flags(con); -- -- if (!(flags & CON_ENABLED)) -- return false; -- -- if ((flags & CON_SUSPENDED)) -- return false; -- -- if (!con->write) -- return false; -- -- /* -- * Console drivers may assume that per-cpu resources have been -- * allocated. So unless they're explicitly marked as being able to -- * cope (CON_ANYTIME) don't call them until this CPU is officially up. -- */ -- if (!cpu_online(raw_smp_processor_id()) && !(flags & CON_ANYTIME)) -- return false; -- -- return true; --} -- - static void __console_unlock(void) - { - console_locked = 0; |