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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:11:37 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:11:37 +0000
commit85f603d4fd6d85c425502723a17daa94574977de (patch)
tree188a21432c3b8e8ddb8a08e9a09397164a88181c /debian/patches-rt/0031-rcu-Mark-emergency-sections-in-rcu-stalls.patch
parentMerging upstream version 6.9.7. (diff)
downloadlinux-85f603d4fd6d85c425502723a17daa94574977de.tar.xz
linux-85f603d4fd6d85c425502723a17daa94574977de.zip
Adding debian version 6.9.7-1.debian/6.9.7-1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'debian/patches-rt/0031-rcu-Mark-emergency-sections-in-rcu-stalls.patch')
-rw-r--r--debian/patches-rt/0031-rcu-Mark-emergency-sections-in-rcu-stalls.patch96
1 files changed, 0 insertions, 96 deletions
diff --git a/debian/patches-rt/0031-rcu-Mark-emergency-sections-in-rcu-stalls.patch b/debian/patches-rt/0031-rcu-Mark-emergency-sections-in-rcu-stalls.patch
deleted file mode 100644
index 0cca134a21..0000000000
--- a/debian/patches-rt/0031-rcu-Mark-emergency-sections-in-rcu-stalls.patch
+++ /dev/null
@@ -1,96 +0,0 @@
-From: John Ogness <john.ogness@linutronix.de>
-Date: Mon, 11 Sep 2023 15:53:39 +0000
-Subject: [PATCH 31/48] rcu: Mark emergency sections in rcu stalls
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/6.8/older/patches-6.8.2-rt11.tar.xz
-
-Mark emergency sections wherever multiple lines of
-rcu stall information are generated. In an emergency
-section the CPU will not perform console output for the
-printk() calls. Instead, a flushing of the console
-output is triggered when exiting the emergency section.
-This allows the full message block to be stored as
-quickly as possible in the ringbuffer.
-
-Signed-off-by: John Ogness <john.ogness@linutronix.de>
-Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
----
- kernel/rcu/tree_exp.h | 7 +++++++
- kernel/rcu/tree_stall.h | 9 +++++++++
- 2 files changed, 16 insertions(+)
-
---- a/kernel/rcu/tree_exp.h
-+++ b/kernel/rcu/tree_exp.h
-@@ -7,6 +7,7 @@
- * Authors: Paul E. McKenney <paulmck@linux.ibm.com>
- */
-
-+#include <linux/console.h>
- #include <linux/lockdep.h>
-
- static void rcu_exp_handler(void *unused);
-@@ -636,6 +637,9 @@ static void synchronize_rcu_expedited_wa
- return;
- if (rcu_stall_is_suppressed())
- continue;
-+
-+ nbcon_cpu_emergency_enter();
-+
- j = jiffies;
- rcu_stall_notifier_call_chain(RCU_STALL_NOTIFY_EXP, (void *)(j - jiffies_start));
- trace_rcu_stall_warning(rcu_state.name, TPS("ExpeditedStall"));
-@@ -689,6 +693,9 @@ static void synchronize_rcu_expedited_wa
- rcu_exp_print_detail_task_stall_rnp(rnp);
- }
- jiffies_stall = 3 * rcu_exp_jiffies_till_stall_check() + 3;
-+
-+ nbcon_cpu_emergency_exit();
-+
- panic_on_rcu_stall();
- }
- }
---- a/kernel/rcu/tree_stall.h
-+++ b/kernel/rcu/tree_stall.h
-@@ -7,6 +7,7 @@
- * Author: Paul E. McKenney <paulmck@linux.ibm.com>
- */
-
-+#include <linux/console.h>
- #include <linux/kvm_para.h>
- #include <linux/rcu_notifier.h>
-
-@@ -604,6 +605,8 @@ static void print_other_cpu_stall(unsign
- if (rcu_stall_is_suppressed())
- return;
-
-+ nbcon_cpu_emergency_enter();
-+
- /*
- * OK, time to rat on our buddy...
- * See Documentation/RCU/stallwarn.rst for info on how to debug
-@@ -655,6 +658,8 @@ static void print_other_cpu_stall(unsign
- rcu_check_gp_kthread_expired_fqs_timer();
- rcu_check_gp_kthread_starvation();
-
-+ nbcon_cpu_emergency_exit();
-+
- panic_on_rcu_stall();
-
- rcu_force_quiescent_state(); /* Kick them all. */
-@@ -675,6 +680,8 @@ static void print_cpu_stall(unsigned lon
- if (rcu_stall_is_suppressed())
- return;
-
-+ nbcon_cpu_emergency_enter();
-+
- /*
- * OK, time to rat on ourselves...
- * See Documentation/RCU/stallwarn.rst for info on how to debug
-@@ -703,6 +710,8 @@ static void print_cpu_stall(unsigned lon
- jiffies + 3 * rcu_jiffies_till_stall_check() + 3);
- raw_spin_unlock_irqrestore_rcu_node(rnp, flags);
-
-+ nbcon_cpu_emergency_exit();
-+
- panic_on_rcu_stall();
-
- /*