diff options
Diffstat (limited to 'debian/patches-rt/0236-sched-Add-support-for-lazy-preemption.patch')
| -rw-r--r-- | debian/patches-rt/0236-sched-Add-support-for-lazy-preemption.patch | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/debian/patches-rt/0236-sched-Add-support-for-lazy-preemption.patch b/debian/patches-rt/0236-sched-Add-support-for-lazy-preemption.patch index 200adb4ca..bb989798a 100644 --- a/debian/patches-rt/0236-sched-Add-support-for-lazy-preemption.patch +++ b/debian/patches-rt/0236-sched-Add-support-for-lazy-preemption.patch @@ -1,7 +1,7 @@ From: Thomas Gleixner <tglx@linutronix.de> Date: Fri, 26 Oct 2012 18:50:54 +0100 -Subject: [PATCH 236/353] sched: Add support for lazy preemption -Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=091e3b619256c38a1ca8760bea7e44d40b465fef +Subject: [PATCH 236/354] sched: Add support for lazy preemption +Origin: https://git.kernel.org/cgit/linux/kernel/git/rt/linux-stable-rt.git/commit?id=ec120f921bf1ff7f3d689a805e139127117b89a1 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> 13 files changed, 228 insertions(+), 29 deletions(-) diff --git a/include/linux/preempt.h b/include/linux/preempt.h -index ed8413e7140f..9c74a019bf57 100644 +index 302f491b05ec..29ecd13afdda 100644 --- a/include/linux/preempt.h +++ b/include/linux/preempt.h @@ -180,6 +180,20 @@ extern void preempt_count_sub(int val); @@ -215,7 +215,7 @@ index 62dbecfe9132..57a3d99dc067 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 1cc4d2da954c..72864a11cec0 100644 +index 963c19f03bef..61011ac41b41 100644 --- a/include/linux/trace_events.h +++ b/include/linux/trace_events.h @@ -64,6 +64,7 @@ struct trace_entry { @@ -244,7 +244,7 @@ index 907d72b3ba95..306567f72a3e 100644 prompt "Preemption Model" default PREEMPT_NONE diff --git a/kernel/cpu.c b/kernel/cpu.c -index 6ae5b18bf3a5..396394ebbc5b 100644 +index 605276e96143..9547c5bcbbc4 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -307,11 +307,13 @@ void pin_current_cpu(void) @@ -419,7 +419,7 @@ index 41219ea235eb..e581ce1edc12 100644 } EXPORT_SYMBOL(migrate_enable); diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c -index bd9a375c45f4..430248f46f72 100644 +index 3f6a613be8c3..b735b6088124 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -4151,7 +4151,7 @@ check_preempt_tick(struct cfs_rq *cfs_rq, struct sched_entity *curr) @@ -529,7 +529,7 @@ index 637c408fb2dc..87a05bb90124 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 b1c82b1dc3a6..d137601eed0e 100644 +index 61fdbe0ddeb1..3484c741261d 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -2153,6 +2153,7 @@ tracing_generic_entry_update(struct trace_entry *entry, unsigned long flags, @@ -550,7 +550,7 @@ index b1c82b1dc3a6..d137601eed0e 100644 (test_preempt_need_resched() ? TRACE_FLAG_PREEMPT_RESCHED : 0); entry->migrate_disable = (tsk) ? __migrate_disabled(tsk) & 0xFF : 0; -@@ -3364,15 +3366,17 @@ get_total_entries(struct trace_buffer *buf, +@@ -3370,15 +3372,17 @@ get_total_entries(struct trace_buffer *buf, static void print_lat_help_header(struct seq_file *m) { @@ -577,7 +577,7 @@ index b1c82b1dc3a6..d137601eed0e 100644 } static void print_event_info(struct trace_buffer *buf, struct seq_file *m) -@@ -3410,15 +3414,17 @@ static void print_func_help_header_irq(struct trace_buffer *buf, struct seq_file +@@ -3416,15 +3420,17 @@ static void print_func_help_header_irq(struct trace_buffer *buf, struct seq_file tgid ? tgid_space : space); seq_printf(m, "# %s / _----=> need-resched\n", tgid ? tgid_space : space); @@ -601,7 +601,7 @@ index b1c82b1dc3a6..d137601eed0e 100644 } diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h -index 0923d1b18d1f..80a2d3f56c35 100644 +index f4d83b552a47..00fbf2cb505c 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -127,6 +127,7 @@ struct kretprobe_trace_entry_head { |