diff options
Diffstat (limited to 'debian/patches-rt/0258-sched-Add-support-for-lazy-preemption.patch')
| -rw-r--r-- | debian/patches-rt/0258-sched-Add-support-for-lazy-preemption.patch | 36 |
1 files changed, 18 insertions, 18 deletions
diff --git a/debian/patches-rt/0258-sched-Add-support-for-lazy-preemption.patch b/debian/patches-rt/0258-sched-Add-support-for-lazy-preemption.patch index 12d064860..fc04c5d86 100644 --- a/debian/patches-rt/0258-sched-Add-support-for-lazy-preemption.patch +++ b/debian/patches-rt/0258-sched-Add-support-for-lazy-preemption.patch @@ -1,8 +1,8 @@ -From e8b4a64bf2eb6ff6330544895c0f69696059ffda Mon Sep 17 00:00:00 2001 +From ed95947ad84cd7475aee1d39d1070299af9e0617 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner <tglx@linutronix.de> Date: Fri, 26 Oct 2012 18:50:54 +0100 Subject: [PATCH 258/323] sched: Add support for lazy preemption -Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.10/older/patches-5.10.204-rt100.tar.xz +Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.10/older/patches-5.10.215-rt107.tar.xz It has become an obsession to mitigate the determinism vs. throughput loss of RT. Looking at the mainline semantics of preemption points @@ -69,7 +69,7 @@ Signed-off-by: Thomas Gleixner <tglx@linutronix.de> 12 files changed, 254 insertions(+), 36 deletions(-) diff --git a/include/linux/preempt.h b/include/linux/preempt.h -index fb140e00f74d..af39859f02ee 100644 +index fb140e00f74dc..af39859f02ee1 100644 --- a/include/linux/preempt.h +++ b/include/linux/preempt.h @@ -174,6 +174,20 @@ extern void preempt_count_sub(int val); @@ -176,7 +176,7 @@ index fb140e00f74d..af39859f02ee 100644 #endif /* CONFIG_SMP */ diff --git a/include/linux/sched.h b/include/linux/sched.h -index bd0c9c633438..665a17e4f69b 100644 +index bd0c9c633438a..665a17e4f69be 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1882,6 +1882,44 @@ static inline int test_tsk_need_resched(struct task_struct *tsk) @@ -225,7 +225,7 @@ index bd0c9c633438..665a17e4f69b 100644 { if (task->state & (__TASK_STOPPED | __TASK_TRACED)) diff --git a/include/linux/thread_info.h b/include/linux/thread_info.h -index f3040b0b4b23..3cb02ced141b 100644 +index f3040b0b4b235..3cb02ced141b8 100644 --- a/include/linux/thread_info.h +++ b/include/linux/thread_info.h @@ -110,7 +110,17 @@ static inline int test_ti_thread_flag(struct thread_info *ti, int flag) @@ -248,7 +248,7 @@ index f3040b0b4b23..3cb02ced141b 100644 #ifndef CONFIG_HAVE_ARCH_WITHIN_STACK_FRAMES static inline int arch_within_stack_frames(const void * const stack, diff --git a/include/linux/trace_events.h b/include/linux/trace_events.h -index 2151524a10f0..e7afd9fe35e5 100644 +index 2151524a10f04..e7afd9fe35e5f 100644 --- a/include/linux/trace_events.h +++ b/include/linux/trace_events.h @@ -70,6 +70,7 @@ struct trace_entry { @@ -280,7 +280,7 @@ index 2151524a10f0..e7afd9fe35e5 100644 #ifdef CONFIG_TRACE_IRQFLAGS_SUPPORT diff --git a/kernel/Kconfig.preempt b/kernel/Kconfig.preempt -index cbe3aa495519..b5cd1e278eb5 100644 +index cbe3aa495519b..b5cd1e278eb58 100644 --- a/kernel/Kconfig.preempt +++ b/kernel/Kconfig.preempt @@ -1,5 +1,11 @@ @@ -296,7 +296,7 @@ index cbe3aa495519..b5cd1e278eb5 100644 prompt "Preemption Model" default PREEMPT_NONE diff --git a/kernel/sched/core.c b/kernel/sched/core.c -index 8ac1f0526476..c847d17e3b04 100644 +index 8ac1f0526476f..c847d17e3b04a 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -656,6 +656,48 @@ void resched_curr(struct rq *rq) @@ -445,7 +445,7 @@ index 8ac1f0526476..c847d17e3b04 100644 * The idle tasks have their own, simple scheduling class: */ diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c -index 73a89fbd81be..f4928e5b6611 100644 +index 73a89fbd81be8..f4928e5b6611b 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -4570,7 +4570,7 @@ check_preempt_tick(struct cfs_rq *cfs_rq, struct sched_entity *curr) @@ -521,7 +521,7 @@ index 73a89fbd81be..f4928e5b6611 100644 check_preempt_curr(rq, p, 0); } diff --git a/kernel/sched/features.h b/kernel/sched/features.h -index 402fd37fb340..bc2466af142e 100644 +index 402fd37fb340a..bc2466af142eb 100644 --- a/kernel/sched/features.h +++ b/kernel/sched/features.h @@ -47,6 +47,9 @@ SCHED_FEAT(NONTASK_CAPACITY, true) @@ -535,7 +535,7 @@ index 402fd37fb340..bc2466af142e 100644 /* diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h -index d4bfc51358d3..ad854a670701 100644 +index d4bfc51358d37..ad854a670701b 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -1997,6 +1997,15 @@ extern void reweight_task(struct task_struct *p, int prio); @@ -555,10 +555,10 @@ index d4bfc51358d3..ad854a670701 100644 extern void init_rt_bandwidth(struct rt_bandwidth *rt_b, u64 period, u64 runtime); diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c -index 02dffb1862b8..7caae85af03d 100644 +index 78a7c776fd9b7..a8285643a7cc0 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c -@@ -2602,8 +2602,16 @@ unsigned int tracing_gen_ctx_irq_test(unsigned int irqs_status) +@@ -2630,8 +2630,16 @@ unsigned int tracing_gen_ctx_irq_test(unsigned int irqs_status) trace_flags |= TRACE_FLAG_NEED_RESCHED; if (test_preempt_need_resched()) trace_flags |= TRACE_FLAG_PREEMPT_RESCHED; @@ -577,7 +577,7 @@ index 02dffb1862b8..7caae85af03d 100644 } struct ring_buffer_event * -@@ -3861,15 +3869,17 @@ unsigned long trace_total_entries(struct trace_array *tr) +@@ -3889,15 +3897,17 @@ unsigned long trace_total_entries(struct trace_array *tr) static void print_lat_help_header(struct seq_file *m) { @@ -604,7 +604,7 @@ index 02dffb1862b8..7caae85af03d 100644 } static void print_event_info(struct array_buffer *buf, struct seq_file *m) -@@ -3903,14 +3913,16 @@ static void print_func_help_header_irq(struct array_buffer *buf, struct seq_file +@@ -3931,14 +3941,16 @@ static void print_func_help_header_irq(struct array_buffer *buf, struct seq_file print_event_info(buf, m); @@ -630,7 +630,7 @@ index 02dffb1862b8..7caae85af03d 100644 void diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c -index 636fb7df3714..245b8289ecdf 100644 +index 636fb7df3714a..245b8289ecdf3 100644 --- a/kernel/trace/trace_events.c +++ b/kernel/trace/trace_events.c @@ -185,6 +185,7 @@ static int trace_define_common_fields(void) @@ -642,7 +642,7 @@ index 636fb7df3714..245b8289ecdf 100644 return ret; } diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c -index b3619b21217c..5a71964ade3a 100644 +index 8bd207443f4f4..18f091dceea3f 100644 --- a/kernel/trace/trace_output.c +++ b/kernel/trace/trace_output.c @@ -451,6 +451,7 @@ int trace_print_lat_fmt(struct trace_seq *s, struct trace_entry *entry) @@ -687,5 +687,5 @@ index b3619b21217c..5a71964ade3a 100644 trace_seq_printf(s, "%x", entry->migrate_disable); else -- -2.43.0 +2.44.0 |