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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-07 13:11:44 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-07 13:11:49 +0000 |
commit | f25552c1068a054f2d99afd67a671d5991bf19c1 (patch) | |
tree | d70de5c7262ad572f8323fc4184b8a10522e81ec /debian/patches-rt/0023-printk-nbcon-Assign-priority-based-on-CPU-state.patch | |
parent | Merging upstream version 6.9.7. (diff) | |
download | linux-f25552c1068a054f2d99afd67a671d5991bf19c1.tar.xz linux-f25552c1068a054f2d99afd67a671d5991bf19c1.zip |
Merging debian version 6.9.7-1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'debian/patches-rt/0023-printk-nbcon-Assign-priority-based-on-CPU-state.patch')
-rw-r--r-- | debian/patches-rt/0023-printk-nbcon-Assign-priority-based-on-CPU-state.patch | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/debian/patches-rt/0023-printk-nbcon-Assign-priority-based-on-CPU-state.patch b/debian/patches-rt/0023-printk-nbcon-Assign-priority-based-on-CPU-state.patch deleted file mode 100644 index ff275e2ab9..0000000000 --- a/debian/patches-rt/0023-printk-nbcon-Assign-priority-based-on-CPU-state.patch +++ /dev/null @@ -1,84 +0,0 @@ -From: John Ogness <john.ogness@linutronix.de> -Date: Thu, 14 Dec 2023 14:38:42 +0000 -Subject: [PATCH 23/48] printk: nbcon: Assign priority based on CPU state -Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/6.8/older/patches-6.8.2-rt11.tar.xz - -Use the current state of the CPU to determine which priority to -assign to the printing context. - -The EMERGENCY priority handling is added in a follow-up commit. -It will use a per-CPU variable. - -Note: nbcon_driver_acquire(), which is used by console drivers - to acquire the nbcon console for non-printing activities, - will always use NORMAL priority. - -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 | 2 ++ - kernel/printk/nbcon.c | 20 ++++++++++++++++++-- - 2 files changed, 20 insertions(+), 2 deletions(-) - ---- a/kernel/printk/internal.h -+++ b/kernel/printk/internal.h -@@ -86,6 +86,7 @@ void nbcon_seq_force(struct console *con - bool nbcon_alloc(struct console *con); - void nbcon_init(struct console *con); - void nbcon_free(struct console *con); -+enum nbcon_prio nbcon_get_default_prio(void); - void nbcon_atomic_flush_pending(void); - bool nbcon_legacy_emit_next_record(struct console *con, bool *handover, - int cookie); -@@ -143,6 +144,7 @@ static inline void nbcon_seq_force(struc - static inline bool nbcon_alloc(struct console *con) { return false; } - static inline void nbcon_init(struct console *con) { } - static inline void nbcon_free(struct console *con) { } -+static inline enum nbcon_prio nbcon_get_default_prio(void) { return NBCON_PRIO_NONE; } - static inline void nbcon_atomic_flush_pending(void) { } - static inline bool nbcon_legacy_emit_next_record(struct console *con, bool *handover, - int cookie) { return false; } ---- a/kernel/printk/nbcon.c -+++ b/kernel/printk/nbcon.c -@@ -968,6 +968,22 @@ static bool nbcon_atomic_emit_one(struct - } - - /** -+ * nbcon_get_default_prio - The appropriate nbcon priority to use for nbcon -+ * printing on the current CPU -+ * -+ * Context: Any context which could not be migrated to another CPU. -+ * Return: The nbcon_prio to use for acquiring an nbcon console in this -+ * context for printing. -+ */ -+enum nbcon_prio nbcon_get_default_prio(void) -+{ -+ if (this_cpu_in_panic()) -+ return NBCON_PRIO_PANIC; -+ -+ return NBCON_PRIO_NORMAL; -+} -+ -+/** - * nbcon_legacy_emit_next_record - Print one record for an nbcon console - * in legacy contexts - * @con: The console to print on -@@ -1001,7 +1017,7 @@ bool nbcon_legacy_emit_next_record(struc - stop_critical_timings(); - - ctxt->console = con; -- ctxt->prio = NBCON_PRIO_NORMAL; -+ ctxt->prio = nbcon_get_default_prio(); - - progress = nbcon_atomic_emit_one(&wctxt); - -@@ -1032,7 +1048,7 @@ static bool __nbcon_atomic_flush_pending - - ctxt->console = con; - ctxt->spinwait_max_us = 2000; -- ctxt->prio = NBCON_PRIO_NORMAL; -+ ctxt->prio = nbcon_get_default_prio(); - - if (!nbcon_context_try_acquire(ctxt)) - return false; |