updpkg: libre/linux-libre-pae 5.17.9-1

Signed-off-by: David P <megver83@parabola.nu>

1 files changed, 101 insertions, 0 deletions

diff --git a/libre/linux-libre-pae/0004-tick-rcu-Remove-obsolete-rcu_needs_cpu-parameters.patch b/libre/linux-libre-pae/0004-tick-rcu-Remove-obsolete-rcu_needs_cpu-parameters.patch
new file mode 100644
index 000000000..a63635d1a
--- /dev/null
+++ b/libre/linux-libre-pae/0004-tick-rcu-Remove-obsolete-rcu_needs_cpu-parameters.patch
@@ -0,0 +1,101 @@
+From 1f17192df29b2410380147075754e8f40dc7af5b Mon Sep 17 00:00:00 2001
+From: Frederic Weisbecker <frederic@kernel.org>
+Date: Tue, 8 Feb 2022 17:16:33 +0100
+Subject: [PATCH 4/7] tick/rcu: Remove obsolete rcu_needs_cpu() parameters
+
+With the removal of CONFIG_RCU_FAST_NO_HZ, the parameters in
+rcu_needs_cpu() are not necessary anymore. Simply remove them.
+
+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/rcutiny.h  |  3 +--
+ include/linux/rcutree.h  |  2 +-
+ kernel/rcu/tree.c        |  3 +--
+ kernel/time/tick-sched.c | 10 ++++------
+ 4 files changed, 7 insertions(+), 11 deletions(-)
+
+diff --git a/include/linux/rcutiny.h b/include/linux/rcutiny.h
+index 858f4d429946..5fed476f977f 100644
+--- a/include/linux/rcutiny.h
++++ b/include/linux/rcutiny.h
+@@ -64,9 +64,8 @@ static inline void rcu_softirq_qs(void)
+ 		rcu_tasks_qs(current, (preempt)); \
+ 	} while (0)
+ 
+-static inline int rcu_needs_cpu(u64 basemono, u64 *nextevt)
++static inline int rcu_needs_cpu(void)
+ {
+-	*nextevt = KTIME_MAX;
+ 	return 0;
+ }
+ 
+diff --git a/include/linux/rcutree.h b/include/linux/rcutree.h
+index 53209d669400..6cc91291d078 100644
+--- a/include/linux/rcutree.h
++++ b/include/linux/rcutree.h
+@@ -19,7 +19,7 @@
+ 
+ void rcu_softirq_qs(void);
+ void rcu_note_context_switch(bool preempt);
+-int rcu_needs_cpu(u64 basem, u64 *nextevt);
++int rcu_needs_cpu(void);
+ void rcu_cpu_stall_reset(void);
+ 
+ /*
+diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
+index 73a4c9d07b86..5dae0da879ae 100644
+--- a/kernel/rcu/tree.c
++++ b/kernel/rcu/tree.c
+@@ -1086,9 +1086,8 @@ void rcu_irq_enter_irqson(void)
+  * Just check whether or not this CPU has non-offloaded RCU callbacks
+  * queued.
+  */
+-int rcu_needs_cpu(u64 basemono, u64 *nextevt)
++int rcu_needs_cpu(void)
+ {
+-	*nextevt = KTIME_MAX;
+ 	return !rcu_segcblist_empty(&this_cpu_ptr(&rcu_data)->cblist) &&
+ 		!rcu_rdp_is_offloaded(this_cpu_ptr(&rcu_data));
+ }
+diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
+index 0578c9301b17..4c62fa0f70f1 100644
+--- a/kernel/time/tick-sched.c
++++ b/kernel/time/tick-sched.c
+@@ -785,7 +785,7 @@ static inline bool local_timer_softirq_pending(void)
+ 
+ static ktime_t tick_nohz_next_event(struct tick_sched *ts, int cpu)
+ {
+-	u64 basemono, next_tick, next_tmr, next_rcu, delta, expires;
++	u64 basemono, next_tick, delta, expires;
+ 	unsigned long basejiff;
+ 	unsigned int seq;
+ 
+@@ -808,7 +808,7 @@ static ktime_t tick_nohz_next_event(struct tick_sched *ts, int cpu)
+ 	 * minimal delta which brings us back to this place
+ 	 * immediately. Lather, rinse and repeat...
+ 	 */
+-	if (rcu_needs_cpu(basemono, &next_rcu) || arch_needs_cpu() ||
++	if (rcu_needs_cpu() || arch_needs_cpu() ||
+ 	    irq_work_needs_cpu() || local_timer_softirq_pending()) {
+ 		next_tick = basemono + TICK_NSEC;
+ 	} else {
+@@ -819,10 +819,8 @@ static ktime_t tick_nohz_next_event(struct tick_sched *ts, int cpu)
+ 		 * disabled this also looks at the next expiring
+ 		 * hrtimer.
+ 		 */
+-		next_tmr = get_next_timer_interrupt(basejiff, basemono);
+-		ts->next_timer = next_tmr;
+-		/* Take the next rcu event into account */
+-		next_tick = next_rcu < next_tmr ? next_rcu : next_tmr;
++		next_tick = get_next_timer_interrupt(basejiff, basemono);
++		ts->next_timer = next_tick;
+ 	}
+ 
+ 	/*
+-- 
+2.36.1
+