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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:28:00 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:28:00 +0000 |
commit | 3565071f226432336a54d0193d729fa4508a3394 (patch) | |
tree | 4cde13f078f84c0a7785d234fd52edce7c90546a /debian/patches-rt/0118-panic-Mark-emergency-section-in-oops.patch | |
parent | Adding upstream version 6.6.15. (diff) | |
download | linux-3565071f226432336a54d0193d729fa4508a3394.tar.xz linux-3565071f226432336a54d0193d729fa4508a3394.zip |
Adding debian version 6.6.15-2.debian/6.6.15-2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | debian/patches-rt/0118-panic-Mark-emergency-section-in-oops.patch | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/debian/patches-rt/0118-panic-Mark-emergency-section-in-oops.patch b/debian/patches-rt/0118-panic-Mark-emergency-section-in-oops.patch new file mode 100644 index 0000000000..6e52fd3a69 --- /dev/null +++ b/debian/patches-rt/0118-panic-Mark-emergency-section-in-oops.patch @@ -0,0 +1,39 @@ +From: John Ogness <john.ogness@linutronix.de> +Date: Tue, 19 Sep 2023 17:07:34 +0000 +Subject: [PATCH 118/134] panic: Mark emergency section in oops +Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/6.6/older/patches-6.6.7-rt18.tar.xz + +Mark an emergency section beginning with oops_enter() until the +end of oops_exit(). In this section, the CPU will not perform +console output for the printk() calls. Instead, a flushing of the +console output will triggered when exiting the emergency section. + +The very end of oops_exit() performs a kmsg_dump(). This is not +included in the emergency section because it is another +flushing mechanism that should occur after the consoles have +been triggered to flush. + +Signed-off-by: John Ogness <john.ogness@linutronix.de> +Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> +--- + kernel/panic.c | 2 ++ + 1 file changed, 2 insertions(+) + +--- a/kernel/panic.c ++++ b/kernel/panic.c +@@ -630,6 +630,7 @@ bool oops_may_print(void) + */ + void oops_enter(void) + { ++ nbcon_cpu_emergency_enter(); + tracing_off(); + /* can't trust the integrity of the kernel anymore: */ + debug_locks_off(); +@@ -652,6 +653,7 @@ void oops_exit(void) + { + do_oops_enter_exit(); + print_oops_end_marker(); ++ nbcon_cpu_emergency_exit(); + kmsg_dump(KMSG_DUMP_OOPS); + } + |