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author | David P <megver83@parabola.nu> | 2022-07-27 22:50:17 -0400 |
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committer | David P <megver83@parabola.nu> | 2022-07-27 22:50:17 -0400 |
commit | 70d8619621681befae944ab2778c42d61058dff4 (patch) | |
tree | 0b3a264c22e5d815391b52c557257b2288150ca4 /libre/linux-libre-pae/0006-lib-irq_poll-Declare-IRQ_POLL-softirq-vector-as-ksof.patch | |
parent | a37100424454c91e565569a0e821513ba851bd96 (diff) | |
download | abslibre-70d8619621681befae944ab2778c42d61058dff4.tar.gz abslibre-70d8619621681befae944ab2778c42d61058dff4.tar.bz2 abslibre-70d8619621681befae944ab2778c42d61058dff4.zip |
updpkg: libre/linux-libre-pae 5.18.14-1
Signed-off-by: David P <megver83@parabola.nu>
Diffstat (limited to 'libre/linux-libre-pae/0006-lib-irq_poll-Declare-IRQ_POLL-softirq-vector-as-ksof.patch')
-rw-r--r-- | libre/linux-libre-pae/0006-lib-irq_poll-Declare-IRQ_POLL-softirq-vector-as-ksof.patch | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/libre/linux-libre-pae/0006-lib-irq_poll-Declare-IRQ_POLL-softirq-vector-as-ksof.patch b/libre/linux-libre-pae/0006-lib-irq_poll-Declare-IRQ_POLL-softirq-vector-as-ksof.patch deleted file mode 100644 index a7798188a..000000000 --- a/libre/linux-libre-pae/0006-lib-irq_poll-Declare-IRQ_POLL-softirq-vector-as-ksof.patch +++ /dev/null @@ -1,55 +0,0 @@ -From c4d817dfd4c11840db24143aa39e9e437f05bc33 Mon Sep 17 00:00:00 2001 -From: Frederic Weisbecker <frederic@kernel.org> -Date: Tue, 8 Feb 2022 17:16:35 +0100 -Subject: [PATCH 6/7] lib/irq_poll: Declare IRQ_POLL softirq vector as - ksoftirqd-parking safe - -The following warning may appear while setting a CPU down: - - NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #20!!! - -The IRQ_POLL_SOFTIRQ vector can be raised during the hotplug cpu_down() -path after ksoftirqd is parked and before the CPU actually dies. However -this is handled afterward at the CPUHP_IRQ_POLL_DEAD stage where the -queue gets migrated. - -Hence this warning can be considered spurious and the vector can join -the "hotplug-safe" list. - -Reported-and-tested-by: Paul Menzel <pmenzel@molgen.mpg.de> -Signed-off-by: Frederic Weisbecker <frederic@kernel.org> -Cc: Thomas Gleixner <tglx@linutronix.de> -Cc: Peter Zijlstra <peterz@infradead.org> -Cc: Paul E. McKenney <paulmck@kernel.org> -Cc: Paul Menzel <pmenzel@molgen.mpg.de> ---- - include/linux/interrupt.h | 11 +++++++---- - 1 file changed, 7 insertions(+), 4 deletions(-) - -diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h -index 9613326d2f8a..f40754caaefa 100644 ---- a/include/linux/interrupt.h -+++ b/include/linux/interrupt.h -@@ -580,12 +580,15 @@ enum - }; - - /* -- * Ignoring the RCU vector after ksoftirqd is parked is fine -- * because: -- * 1) rcutree_migrate_callbacks() takes care of the queue. -+ * The following vectors can be safely ignored after ksoftirqd is parked: -+ * -+ * _ RCU: -+ * 1) rcutree_migrate_callbacks() migrates the queue. - * 2) rcu_report_dead() reports the final quiescent states. -+ * -+ * _ IRQ_POLL: irq_poll_cpu_dead() migrates the queue - */ --#define SOFTIRQ_HOTPLUG_SAFE_MASK (BIT(RCU_SOFTIRQ)) -+#define SOFTIRQ_HOTPLUG_SAFE_MASK (BIT(RCU_SOFTIRQ) | BIT(IRQ_POLL_SOFTIRQ)) - - /* map softirq index to softirq name. update 'softirq_to_name' in - * kernel/softirq.c when adding a new softirq. --- -2.36.1 - |