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-rw-r--r--debian/patches-rt/PREEMPT_AUTO.patch56
1 files changed, 28 insertions, 28 deletions
diff --git a/debian/patches-rt/PREEMPT_AUTO.patch b/debian/patches-rt/PREEMPT_AUTO.patch
index 859dadc20..323b18f79 100644
--- a/debian/patches-rt/PREEMPT_AUTO.patch
+++ b/debian/patches-rt/PREEMPT_AUTO.patch
@@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx@linutronix.de>
Date: Sat, 23 Sep 2023 03:11:05 +0200
Subject: [PATCH] sched: define TIF_ALLOW_RESCHED
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/6.6/older/patches-6.6.7-rt18.tar.xz
+Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/6.7/older/patches-6.7-rt6.tar.xz
On Fri, Sep 22 2023 at 00:55, Thomas Gleixner wrote:
> On Thu, Sep 21 2023 at 09:00, Linus Torvalds wrote:
@@ -187,7 +187,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
-@@ -2050,17 +2050,17 @@ static inline void update_tsk_thread_fla
+@@ -2055,17 +2055,17 @@ static inline void update_tsk_thread_fla
update_ti_thread_flag(task_thread_info(tsk), flag, value);
}
@@ -208,7 +208,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
{
return test_ti_thread_flag(task_thread_info(tsk), flag);
}
-@@ -2073,9 +2073,11 @@ static inline void set_tsk_need_resched(
+@@ -2078,9 +2078,11 @@ static inline void set_tsk_need_resched(
static inline void clear_tsk_need_resched(struct task_struct *tsk)
{
clear_tsk_thread_flag(tsk,TIF_NEED_RESCHED);
@@ -221,7 +221,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
{
return unlikely(test_tsk_thread_flag(tsk,TIF_NEED_RESCHED));
}
-@@ -2256,7 +2258,7 @@ static inline int rwlock_needbreak(rwloc
+@@ -2261,7 +2263,7 @@ static inline int rwlock_needbreak(rwloc
static __always_inline bool need_resched(void)
{
@@ -434,15 +434,15 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
/*
@@ -922,7 +923,7 @@ static bool set_nr_if_polling(struct tas
- for (;;) {
+ do {
if (!(val & _TIF_POLLING_NRFLAG))
return false;
- if (val & _TIF_NEED_RESCHED)
+ if (val & (_TIF_NEED_RESCHED | _TIF_NEED_RESCHED_LAZY))
return true;
- if (try_cmpxchg(&ti->flags, &val, val | _TIF_NEED_RESCHED))
- break;
-@@ -931,9 +932,9 @@ static bool set_nr_if_polling(struct tas
+ } while (!try_cmpxchg(&ti->flags, &val, val | _TIF_NEED_RESCHED));
+
+@@ -930,9 +931,9 @@ static bool set_nr_if_polling(struct tas
}
#else
@@ -454,7 +454,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
return true;
}
-@@ -1038,28 +1039,47 @@ void wake_up_q(struct wake_q_head *head)
+@@ -1037,28 +1038,47 @@ void wake_up_q(struct wake_q_head *head)
* might also involve a cross-CPU call to trigger the scheduler on
* the target CPU.
*/
@@ -510,7 +510,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
}
void resched_cpu(int cpu)
-@@ -1132,7 +1152,7 @@ static void wake_up_idle_cpu(int cpu)
+@@ -1131,7 +1151,7 @@ static void wake_up_idle_cpu(int cpu)
if (cpu == smp_processor_id())
return;
@@ -556,7 +556,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
late_initcall(sched_init_debug);
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
-@@ -1016,8 +1016,10 @@ static void clear_buddies(struct cfs_rq
+@@ -1001,8 +1001,10 @@ static void clear_buddies(struct cfs_rq
* XXX: strictly: vd_i += N*r_i/w_i such that: vd_i > ve_i
* this is probably good enough.
*/
@@ -568,7 +568,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
if ((s64)(se->vruntime - se->deadline) < 0)
return;
-@@ -1036,10 +1038,19 @@ static void update_deadline(struct cfs_r
+@@ -1021,10 +1023,19 @@ static void update_deadline(struct cfs_r
/*
* The task has consumed its request, reschedule.
*/
@@ -591,7 +591,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
}
#include "pelt.h"
-@@ -1147,7 +1158,7 @@ static void update_tg_load_avg(struct cf
+@@ -1132,7 +1143,7 @@ static void update_tg_load_avg(struct cf
/*
* Update the current task's runtime statistics.
*/
@@ -600,7 +600,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
{
struct sched_entity *curr = cfs_rq->curr;
u64 now = rq_clock_task(rq_of(cfs_rq));
-@@ -1174,7 +1185,7 @@ static void update_curr(struct cfs_rq *c
+@@ -1159,7 +1170,7 @@ static void update_curr(struct cfs_rq *c
schedstat_add(cfs_rq->exec_clock, delta_exec);
curr->vruntime += calc_delta_fair(delta_exec, curr);
@@ -609,7 +609,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
update_min_vruntime(cfs_rq);
if (entity_is_task(curr)) {
-@@ -1188,6 +1199,11 @@ static void update_curr(struct cfs_rq *c
+@@ -1173,6 +1184,11 @@ static void update_curr(struct cfs_rq *c
account_cfs_rq_runtime(cfs_rq, delta_exec);
}
@@ -621,7 +621,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
static void update_curr_fair(struct rq *rq)
{
update_curr(cfs_rq_of(&rq->curr->se));
-@@ -5398,7 +5414,7 @@ entity_tick(struct cfs_rq *cfs_rq, struc
+@@ -5449,7 +5465,7 @@ entity_tick(struct cfs_rq *cfs_rq, struc
/*
* Update run-time statistics of the 'current'.
*/
@@ -630,7 +630,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
/*
* Ensure that runnable average is periodically updated.
-@@ -5412,7 +5428,7 @@ entity_tick(struct cfs_rq *cfs_rq, struc
+@@ -5463,7 +5479,7 @@ entity_tick(struct cfs_rq *cfs_rq, struc
* validating it and just reschedule.
*/
if (queued) {
@@ -639,7 +639,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
return;
}
/*
-@@ -5558,7 +5574,7 @@ static void __account_cfs_rq_runtime(str
+@@ -5609,7 +5625,7 @@ static void __account_cfs_rq_runtime(str
* hierarchy can be throttled
*/
if (!assign_cfs_rq_runtime(cfs_rq) && likely(cfs_rq->curr))
@@ -648,7 +648,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
}
static __always_inline
-@@ -5818,7 +5834,7 @@ void unthrottle_cfs_rq(struct cfs_rq *cf
+@@ -5869,7 +5885,7 @@ void unthrottle_cfs_rq(struct cfs_rq *cf
/* Determine whether we need to wake up potentially idle CPU: */
if (rq->curr == rq->idle && rq->cfs.nr_running)
@@ -657,7 +657,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
}
#ifdef CONFIG_SMP
-@@ -6523,7 +6539,7 @@ static void hrtick_start_fair(struct rq
+@@ -6584,7 +6600,7 @@ static void hrtick_start_fair(struct rq
if (delta < 0) {
if (task_current(rq, p))
@@ -666,7 +666,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
return;
}
hrtick_start(rq, delta);
-@@ -8175,7 +8191,7 @@ static void check_preempt_wakeup(struct
+@@ -8240,7 +8256,7 @@ static void check_preempt_wakeup_fair(st
* prevents us from potentially nominating it as a false LAST_BUDDY
* below.
*/
@@ -675,7 +675,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
return;
/* Idle tasks are by definition preempted by non-idle tasks. */
-@@ -8217,7 +8233,7 @@ static void check_preempt_wakeup(struct
+@@ -8282,7 +8298,7 @@ static void check_preempt_wakeup_fair(st
return;
preempt:
@@ -684,7 +684,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
}
#ifdef CONFIG_SMP
-@@ -12374,7 +12390,7 @@ static inline void task_tick_core(struct
+@@ -12449,7 +12465,7 @@ static inline void task_tick_core(struct
*/
if (rq->core->core_forceidle_count && rq->cfs.nr_running == 1 &&
__entity_slice_used(&curr->se, MIN_NR_TASKS_DURING_FORCEIDLE))
@@ -693,18 +693,18 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
}
/*
-@@ -12539,7 +12555,7 @@ prio_changed_fair(struct rq *rq, struct
+@@ -12614,7 +12630,7 @@ prio_changed_fair(struct rq *rq, struct
*/
if (task_current(rq, p)) {
if (p->prio > oldprio)
- resched_curr(rq);
+ resched_curr_lazy(rq);
} else
- check_preempt_curr(rq, p, 0);
+ wakeup_preempt(rq, p, 0);
}
--- a/kernel/sched/features.h
+++ b/kernel/sched/features.h
-@@ -89,3 +89,5 @@ SCHED_FEAT(UTIL_EST_FASTUP, true)
+@@ -88,3 +88,5 @@ SCHED_FEAT(UTIL_EST_FASTUP, true)
SCHED_FEAT(LATENCY_WARN, false)
SCHED_FEAT(HZ_BW, true)
@@ -724,7 +724,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
-@@ -2435,6 +2435,7 @@ extern void init_sched_fair_class(void);
+@@ -2419,6 +2419,7 @@ extern void init_sched_fair_class(void);
extern void reweight_task(struct task_struct *p, int prio);
extern void resched_curr(struct rq *rq);
@@ -734,7 +734,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
extern struct rt_bandwidth def_rt_bandwidth;
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
-@@ -2722,6 +2722,8 @@ unsigned int tracing_gen_ctx_irq_test(un
+@@ -2723,6 +2723,8 @@ unsigned int tracing_gen_ctx_irq_test(un
if (tif_need_resched())
trace_flags |= TRACE_FLAG_NEED_RESCHED;