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[rt] Update to 4.14.15-rt11

This commit is contained in:
Salvatore Bonaccorso 2018-01-28 15:46:47 +01:00
parent e5ce9cb87e
commit e53a4aa3b8
383 changed files with 767 additions and 675 deletions
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1
debian/changelog vendored
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@ -200,6 +200,7 @@ linux (4.14.15-1) UNRELEASED; urgency=medium
[ Salvatore Bonaccorso ]
* loop: fix concurrent lo_open/lo_release (CVE-2018-5344)
* Revert "module: Add retpoline tag to VERMAGIC"
* [rt] Update to 4.14.15-rt11
[ Ben Hutchings ]
* bpf: Avoid ABI change in 4.14.14

21
debian/patches/features/all/rt/0001-timers-Use-static-keys-for-migrate_enable-nohz_activ.patch vendored
View File

@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 20 Dec 2017 17:12:50 +0100
Subject: [PATCH 01/29] timers: Use static keys for migrate_enable/nohz_active
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
The members migrate_enable and nohz_active in the timer/hrtimer per CPU
bases have been introduced to avoid accessing global variables for these
@ -19,11 +19,11 @@ Signed-off-by: Anna-Maria Gleixner <anna-maria@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
---
include/linux/hrtimer.h | 4 --
kernel/time/hrtimer.c | 17 ++------
kernel/time/tick-internal.h | 19 ++++++---
kernel/time/hrtimer.c | 17 ++-------
kernel/time/tick-internal.h | 19 ++++++----
kernel/time/tick-sched.c | 2 -
kernel/time/timer.c | 85 ++++++++++++++++++++++----------------------
5 files changed, 62 insertions(+), 65 deletions(-)
kernel/time/timer.c | 83 ++++++++++++++++++++++----------------------
5 files changed, 61 insertions(+), 64 deletions(-)
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@ -115,7 +115,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
DECLARE_PER_CPU(struct hrtimer_cpu_base, hrtimer_bases);
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -1103,7 +1103,7 @@ static inline void tick_nohz_activate(st
@@ -1131,7 +1131,7 @@ static inline void tick_nohz_activate(st
ts->nohz_mode = mode;
/* One update is enough */
if (!test_and_set_bit(0, &tick_nohz_active))
@ -271,12 +271,3 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
/*
@@ -1656,7 +1659,7 @@ void run_local_timers(void)
hrtimer_run_queues();
/* Raise the softirq only if required. */
if (time_before(jiffies, base->clk)) {
- if (!IS_ENABLED(CONFIG_NO_HZ_COMMON) || !base->nohz_active)
+ if (!is_timers_nohz_active())
return;
/* CPU is awake, so check the deferrable base. */
base++;

2
debian/patches/features/all/rt/0001-tracing-Move-hist-trigger-Documentation-to-histogram.patch vendored
View File

@ -2,7 +2,7 @@ From: Tom Zanussi <tom.zanussi@linux.intel.com>
Date: Thu, 21 Dec 2017 10:02:23 -0600
Subject: [PATCH 01/37] tracing: Move hist trigger Documentation to
histogram.txt
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
The hist trigger Documentation takes up a large part of events.txt -
since it will be getting even larger, move it to a separate file.

6
debian/patches/features/all/rt/0001-tracing-Steve-s-unofficial-trace_recursive_lock-patc.patch vendored
View File

@ -2,7 +2,7 @@ From: Steven Rostedt <rostedt@goodmis.org>
Date: Fri, 22 Sep 2017 14:58:15 -0500
Subject: [PATCH 01/42] tracing: Steve's unofficial trace_recursive_lock()
patch
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
On Tue, 5 Sep 2017 16:57:52 -0500
Tom Zanussi <tom.zanussi@linux.intel.com> wrote:
@ -38,7 +38,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -2538,61 +2538,29 @@ rb_wakeups(struct ring_buffer *buffer, s
@@ -2542,61 +2542,29 @@ rb_wakeups(struct ring_buffer *buffer, s
* The lock and unlock are done within a preempt disable section.
* The current_context per_cpu variable can only be modified
* by the current task between lock and unlock. But it can
@ -115,7 +115,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
return 0;
}
@@ -2600,7 +2568,9 @@ trace_recursive_lock(struct ring_buffer_
@@ -2604,7 +2572,9 @@ trace_recursive_lock(struct ring_buffer_
static __always_inline void
trace_recursive_unlock(struct ring_buffer_per_cpu *cpu_buffer)
{

2
debian/patches/features/all/rt/0002-hrtimer-Correct-blantanly-wrong-comment.patch vendored
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@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 20 Dec 2017 17:12:51 +0100
Subject: [PATCH 02/29] hrtimer: Correct blantanly wrong comment
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
The protection of a hrtimer which runs its callback against migration to a
different CPU has nothing to do with hard interrupt context.

2
debian/patches/features/all/rt/0002-tracing-Add-Documentation-for-log2-modifier.patch vendored
View File

@ -1,7 +1,7 @@
From: Tom Zanussi <tom.zanussi@linux.intel.com>
Date: Thu, 21 Dec 2017 10:02:24 -0600
Subject: [PATCH 02/37] tracing: Add Documentation for log2 modifier
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
Add a line for the log2 modifier, to keep it aligned with
tracing/README.

26
debian/patches/features/all/rt/0002-tracing-Reverse-the-order-of-trace_types_lock-and-ev.patch vendored
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@ -2,7 +2,7 @@ From: "Steven Rostedt (VMware)" <rostedt@goodmis.org>
Date: Fri, 22 Sep 2017 14:58:16 -0500
Subject: [PATCH 02/42] tracing: Reverse the order of trace_types_lock and
event_mutex
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
In order to make future changes where we need to call
tracing_set_clock() from within an event command, the order of
@ -20,7 +20,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -7687,6 +7687,7 @@ static int instance_mkdir(const char *na
@@ -7671,6 +7671,7 @@ static int instance_mkdir(const char *na
struct trace_array *tr;
int ret;
@ -28,7 +28,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
mutex_lock(&trace_types_lock);
ret = -EEXIST;
@@ -7742,6 +7743,7 @@ static int instance_mkdir(const char *na
@@ -7726,6 +7727,7 @@ static int instance_mkdir(const char *na
list_add(&tr->list, &ftrace_trace_arrays);
mutex_unlock(&trace_types_lock);
@ -36,7 +36,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
return 0;
@@ -7753,6 +7755,7 @@ static int instance_mkdir(const char *na
@@ -7737,6 +7739,7 @@ static int instance_mkdir(const char *na
out_unlock:
mutex_unlock(&trace_types_lock);
@ -44,7 +44,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
return ret;
@@ -7765,6 +7768,7 @@ static int instance_rmdir(const char *na
@@ -7749,6 +7752,7 @@ static int instance_rmdir(const char *na
int ret;
int i;
@ -52,7 +52,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
mutex_lock(&trace_types_lock);
ret = -ENODEV;
@@ -7810,6 +7814,7 @@ static int instance_rmdir(const char *na
@@ -7794,6 +7798,7 @@ static int instance_rmdir(const char *na
out_unlock:
mutex_unlock(&trace_types_lock);
@ -82,7 +82,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
if (!system)
return -ENODEV;
@@ -2294,15 +2294,15 @@ static void __add_event_to_tracers(struc
@@ -2308,15 +2308,15 @@ static void __add_event_to_tracers(struc
int trace_add_event_call(struct trace_event_call *call)
{
int ret;
@ -100,7 +100,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
return ret;
}
@@ -2356,13 +2356,13 @@ int trace_remove_event_call(struct trace
@@ -2370,13 +2370,13 @@ int trace_remove_event_call(struct trace
{
int ret;
@ -116,7 +116,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
return ret;
}
@@ -2424,8 +2424,8 @@ static int trace_module_notify(struct no
@@ -2438,8 +2438,8 @@ static int trace_module_notify(struct no
{
struct module *mod = data;
@ -126,7 +126,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
switch (val) {
case MODULE_STATE_COMING:
trace_module_add_events(mod);
@@ -2434,8 +2434,8 @@ static int trace_module_notify(struct no
@@ -2448,8 +2448,8 @@ static int trace_module_notify(struct no
trace_module_remove_events(mod);
break;
}
@ -136,7 +136,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
return 0;
}
@@ -2950,24 +2950,24 @@ create_event_toplevel_files(struct dentr
@@ -2964,24 +2964,24 @@ create_event_toplevel_files(struct dentr
* creates the event hierachry in the @parent/events directory.
*
* Returns 0 on success.
@ -166,7 +166,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
return ret;
}
@@ -2996,9 +2996,10 @@ early_event_add_tracer(struct dentry *pa
@@ -3010,9 +3010,10 @@ early_event_add_tracer(struct dentry *pa
return ret;
}
@ -178,7 +178,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
/* Disable any event triggers and associated soft-disabled events */
clear_event_triggers(tr);
@@ -3019,8 +3020,6 @@ int event_trace_del_tracer(struct trace_
@@ -3033,8 +3034,6 @@ int event_trace_del_tracer(struct trace_
tr->event_dir = NULL;

2
debian/patches/features/all/rt/0003-hrtimer-Fix-kerneldoc-for-struct-hrtimer_cpu_base.patch vendored
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@ -1,7 +1,7 @@
From: Anna-Maria Gleixner <anna-maria@linutronix.de>
Date: Wed, 20 Dec 2017 17:12:52 +0100
Subject: [PATCH 03/29] hrtimer: Fix kerneldoc for struct hrtimer_cpu_base
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
The sequence '/**' marks the start of a struct description. Add the
missing second asterisk. While at it adapt the ordering of the struct

2
debian/patches/features/all/rt/0003-tracing-Add-support-to-detect-and-avoid-duplicates.patch vendored
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@ -1,7 +1,7 @@
From: Vedang Patel <vedang.patel@intel.com>
Date: Thu, 21 Dec 2017 10:02:25 -0600
Subject: [PATCH 03/37] tracing: Add support to detect and avoid duplicates
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
A duplicate in the tracing_map hash table is when 2 different entries
have the same key and, as a result, the key_hash. This is possible due

2
debian/patches/features/all/rt/0004-hrtimer-Cleanup-clock-argument-in-schedule_hrtimeout.patch vendored
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@ -2,7 +2,7 @@ From: Anna-Maria Gleixner <anna-maria@linutronix.de>
Date: Wed, 20 Dec 2017 17:12:53 +0100
Subject: [PATCH 04/29] hrtimer: Cleanup clock argument in
schedule_hrtimeout_range_clock()
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
schedule_hrtimeout_range_clock() uses an integer for the clock id
instead of the predefined type "clockid_t". The ID of the clock is

2
debian/patches/features/all/rt/0004-tracing-Remove-code-which-merges-duplicates.patch vendored
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@ -1,7 +1,7 @@
From: Vedang Patel <vedang.patel@intel.com>
Date: Thu, 21 Dec 2017 10:02:26 -0600
Subject: [PATCH 04/37] tracing: Remove code which merges duplicates
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
We now have the logic to detect and remove duplicates in the
tracing_map hash table. The code which merges duplicates in the

2
debian/patches/features/all/rt/0004-tracing-Remove-lookups-from-tracing_map-hitcount.patch vendored
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@ -1,7 +1,7 @@
From: Tom Zanussi <tom.zanussi@linux.intel.com>
Date: Fri, 22 Sep 2017 14:58:18 -0500
Subject: [PATCH 04/42] tracing: Remove lookups from tracing_map hitcount
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
Lookups inflate the hitcount, making it essentially useless. Only
inserts and updates should really affect the hitcount anyway, so

2
debian/patches/features/all/rt/0005-hrtimer-Fix-hrtimer-function-description.patch vendored
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@ -1,7 +1,7 @@
From: Anna-Maria Gleixner <anna-maria@linutronix.de>
Date: Wed, 20 Dec 2017 17:12:54 +0100
Subject: [PATCH 05/29] hrtimer: Fix hrtimer function description
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
The hrtimer_start[_range_ns]() starts a timer reliable on this CPU only
when HRTIMER_MODE_PINNED is set. Furthermore the HRTIMER_MODE_PINNED mode

6
debian/patches/features/all/rt/0005-ring-buffer-Add-interface-for-setting-absolute-time-.patch vendored
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@ -2,7 +2,7 @@ From: Tom Zanussi <tom.zanussi@linux.intel.com>
Date: Thu, 21 Dec 2017 10:02:27 -0600
Subject: [PATCH 05/37] ring-buffer: Add interface for setting absolute time
stamps
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
Define a new function, tracing_set_time_stamp_abs(), which can be used
to enable or disable the use of absolute timestamps rather than time
@ -34,7 +34,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -485,6 +485,7 @@ struct ring_buffer {
@@ -489,6 +489,7 @@ struct ring_buffer {
u64 (*clock)(void);
struct rb_irq_work irq_work;
@ -42,7 +42,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
};
struct ring_buffer_iter {
@@ -1379,6 +1380,16 @@ void ring_buffer_set_clock(struct ring_b
@@ -1383,6 +1384,16 @@ void ring_buffer_set_clock(struct ring_b
buffer->clock = clock;
}

2
debian/patches/features/all/rt/0005-tracing-Increase-tracing-map-KEYS_MAX-size.patch vendored
View File

@ -1,7 +1,7 @@
From: Tom Zanussi <tom.zanussi@linux.intel.com>
Date: Fri, 22 Sep 2017 14:58:19 -0500
Subject: [PATCH 05/42] tracing: Increase tracing map KEYS_MAX size
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
The current default for the number of subkeys in a compound key is 2,
which is too restrictive. Increase it to a more realistic value of 3.

2
debian/patches/features/all/rt/0006-hrtimer-Ensure-POSIX-compliance-relative-CLOCK_REALT.patch vendored
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@ -2,7 +2,7 @@ From: Anna-Maria Gleixner <anna-maria@linutronix.de>
Date: Wed, 20 Dec 2017 17:12:55 +0100
Subject: [PATCH 06/29] hrtimer: Ensure POSIX compliance (relative
CLOCK_REALTIME hrtimers)
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
POSIX specification defines, that relative CLOCK_REALTIME timers are not
affected by clock modifications. Those timers have to use CLOCK_MONOTONIC

26
debian/patches/features/all/rt/0006-ring-buffer-Redefine-the-unimplemented-RINGBUF_TYPE_.patch vendored
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@ -2,7 +2,7 @@ From: Tom Zanussi <tom.zanussi@linux.intel.com>
Date: Thu, 21 Dec 2017 10:02:28 -0600
Subject: [PATCH 06/37] ring-buffer: Redefine the unimplemented
RINGBUF_TYPE_TIME_STAMP
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
RINGBUF_TYPE_TIME_STAMP is defined but not used, and from what I can
gather was reserved for something like an absolute timestamp feature
@ -144,7 +144,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
/* Flag when events were overwritten */
#define RB_MISSED_EVENTS (1 << 31)
/* Missed count stored at end */
@@ -2221,12 +2247,15 @@ rb_move_tail(struct ring_buffer_per_cpu
@@ -2225,12 +2251,15 @@ rb_move_tail(struct ring_buffer_per_cpu
/* Slow path, do not inline */
static noinline struct ring_buffer_event *
@ -164,7 +164,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
event->time_delta = delta & TS_MASK;
event->array[0] = delta >> TS_SHIFT;
} else {
@@ -2269,7 +2298,9 @@ rb_update_event(struct ring_buffer_per_c
@@ -2273,7 +2302,9 @@ rb_update_event(struct ring_buffer_per_c
* add it to the start of the resevered space.
*/
if (unlikely(info->add_timestamp)) {
@ -175,7 +175,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
length -= RB_LEN_TIME_EXTEND;
delta = 0;
}
@@ -2457,7 +2488,7 @@ static __always_inline void rb_end_commi
@@ -2461,7 +2492,7 @@ static __always_inline void rb_end_commi
static inline void rb_event_discard(struct ring_buffer_event *event)
{
@ -184,7 +184,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
event = skip_time_extend(event);
/* array[0] holds the actual length for the discarded event */
@@ -2501,10 +2532,11 @@ rb_update_write_stamp(struct ring_buffer
@@ -2505,10 +2536,11 @@ rb_update_write_stamp(struct ring_buffer
cpu_buffer->write_stamp =
cpu_buffer->commit_page->page->time_stamp;
else if (event->type_len == RINGBUF_TYPE_TIME_EXTEND) {
@ -199,7 +199,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
} else
cpu_buffer->write_stamp += event->time_delta;
}
@@ -2657,7 +2689,7 @@ static struct ring_buffer_event *
@@ -2661,7 +2693,7 @@ static struct ring_buffer_event *
* If this is the first commit on the page, then it has the same
* timestamp as the page itself.
*/
@ -208,7 +208,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
info->delta = 0;
/* See if we shot pass the end of this buffer page */
@@ -2735,8 +2767,11 @@ rb_reserve_next_event(struct ring_buffer
@@ -2739,8 +2771,11 @@ rb_reserve_next_event(struct ring_buffer
/* make sure this diff is calculated here */
barrier();
@ -222,7 +222,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
info.delta = diff;
if (unlikely(test_time_stamp(info.delta)))
rb_handle_timestamp(cpu_buffer, &info);
@@ -3418,14 +3453,13 @@ rb_update_read_stamp(struct ring_buffer_
@@ -3422,14 +3457,13 @@ rb_update_read_stamp(struct ring_buffer_
return;
case RINGBUF_TYPE_TIME_EXTEND:
@ -240,7 +240,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
return;
case RINGBUF_TYPE_DATA:
@@ -3449,14 +3483,13 @@ rb_update_iter_read_stamp(struct ring_bu
@@ -3453,14 +3487,13 @@ rb_update_iter_read_stamp(struct ring_bu
return;
case RINGBUF_TYPE_TIME_EXTEND:
@ -258,7 +258,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
return;
case RINGBUF_TYPE_DATA:
@@ -3680,6 +3713,8 @@ rb_buffer_peek(struct ring_buffer_per_cp
@@ -3684,6 +3717,8 @@ rb_buffer_peek(struct ring_buffer_per_cp
struct buffer_page *reader;
int nr_loops = 0;
@ -267,7 +267,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
again:
/*
* We repeat when a time extend is encountered.
@@ -3716,12 +3751,17 @@ rb_buffer_peek(struct ring_buffer_per_cp
@@ -3720,12 +3755,17 @@ rb_buffer_peek(struct ring_buffer_per_cp
goto again;
case RINGBUF_TYPE_TIME_STAMP:
@ -287,7 +287,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
*ts = cpu_buffer->read_stamp + event->time_delta;
ring_buffer_normalize_time_stamp(cpu_buffer->buffer,
cpu_buffer->cpu, ts);
@@ -3746,6 +3786,9 @@ rb_iter_peek(struct ring_buffer_iter *it
@@ -3750,6 +3790,9 @@ rb_iter_peek(struct ring_buffer_iter *it
struct ring_buffer_event *event;
int nr_loops = 0;
@ -297,7 +297,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
cpu_buffer = iter->cpu_buffer;
buffer = cpu_buffer->buffer;
@@ -3798,12 +3841,17 @@ rb_iter_peek(struct ring_buffer_iter *it
@@ -3802,12 +3845,17 @@ rb_iter_peek(struct ring_buffer_iter *it
goto again;
case RINGBUF_TYPE_TIME_STAMP:

4
debian/patches/features/all/rt/0006-tracing-Make-traceprobe-parsing-code-reusable.patch vendored
View File

@ -1,7 +1,7 @@
From: Tom Zanussi <tom.zanussi@linux.intel.com>
Date: Fri, 22 Sep 2017 14:58:20 -0500
Subject: [PATCH 06/42] tracing: Make traceprobe parsing code reusable
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
traceprobe_probes_write() and traceprobe_command() actually contain
nothing that ties them to kprobes - the code is generically useful for
@ -25,7 +25,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -8281,6 +8281,92 @@ void ftrace_dump(enum ftrace_dump_mode o
@@ -8265,6 +8265,92 @@ void ftrace_dump(enum ftrace_dump_mode o
}
EXPORT_SYMBOL_GPL(ftrace_dump);

2
debian/patches/features/all/rt/0007-hrtimer-Cleanup-hrtimer_mode-enum.patch vendored
View File

@ -1,7 +1,7 @@
From: Anna-Maria Gleixner <anna-maria@linutronix.de>
Date: Wed, 20 Dec 2017 17:12:56 +0100
Subject: [PATCH 07/29] hrtimer: Cleanup hrtimer_mode enum
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
It's not obvious that the HRTIMER_MODE variants are bit combinations
because all modes are hard coded constants.

4
debian/patches/features/all/rt/0007-tracing-Add-timestamp_mode-trace-file.patch vendored
View File

@ -1,7 +1,7 @@
From: Tom Zanussi <tom.zanussi@linux.intel.com>
Date: Thu, 21 Dec 2017 10:02:29 -0600
Subject: [PATCH 07/37] tracing: Add timestamp_mode trace file
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
Add a new option flag indicating whether or not the ring buffer is in
'absolute timestamp' mode.
@ -122,7 +122,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
#ifdef CONFIG_TRACER_SNAPSHOT
static const struct file_operations snapshot_fops = {
.open = tracing_snapshot_open,
@@ -7892,6 +7936,9 @@ init_tracer_tracefs(struct trace_array *
@@ -7887,6 +7931,9 @@ init_tracer_tracefs(struct trace_array *
trace_create_file("tracing_on", 0644, d_tracer,
tr, &rb_simple_fops);

2
debian/patches/features/all/rt/0007-tracing-Clean-up-hist_field_flags-enum.patch vendored
View File

@ -1,7 +1,7 @@
From: Tom Zanussi <tom.zanussi@linux.intel.com>
Date: Fri, 22 Sep 2017 14:58:21 -0500
Subject: [PATCH 07/42] tracing: Clean up hist_field_flags enum
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
As we add more flags, specifying explicit integers for the flag values
becomes more unwieldy and error-prone - switch them over to left-shift

2
debian/patches/features/all/rt/0008-tracing-Add-hist_field_name-accessor.patch vendored
View File

@ -1,7 +1,7 @@
From: Tom Zanussi <tom.zanussi@linux.intel.com>
Date: Fri, 22 Sep 2017 14:58:22 -0500
Subject: [PATCH 08/42] tracing: Add hist_field_name() accessor
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
In preparation for hist_fields that won't be strictly based on
trace_event_fields, add a new hist_field_name() accessor to allow that

2
debian/patches/features/all/rt/0008-tracing-Give-event-triggers-access-to-ring_buffer_ev.patch vendored
View File

@ -2,7 +2,7 @@ From: Tom Zanussi <tom.zanussi@linux.intel.com>
Date: Thu, 21 Dec 2017 10:02:30 -0600
Subject: [PATCH 08/37] tracing: Give event triggers access to
ring_buffer_event
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
The ring_buffer event can provide a timestamp that may be useful to
various triggers - pass it into the handlers for that purpose.

2
debian/patches/features/all/rt/0008-tracing-hrtimer-Take-all-clock-bases-and-modes-into-.patch vendored
View File

@ -2,7 +2,7 @@ From: Anna-Maria Gleixner <anna-maria@linutronix.de>
Date: Wed, 20 Dec 2017 17:12:57 +0100
Subject: [PATCH 08/29] tracing/hrtimer: Take all clock bases and modes into
account
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
So far only CLOCK_MONOTONIC and CLOCK_REALTIME were taken into account as
well as HRTIMER_MODE_ABS/REL in hrtimer_init tracepoint. The query for

2
debian/patches/features/all/rt/0009-tracing-Add-ring-buffer-event-param-to-hist-field-fu.patch vendored
View File

@ -2,7 +2,7 @@ From: Tom Zanussi <tom.zanussi@linux.intel.com>
Date: Thu, 21 Dec 2017 10:02:31 -0600
Subject: [PATCH 09/37] tracing: Add ring buffer event param to hist field
functions
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
Some events such as timestamps require access to a ring_buffer_event
struct; add a param so that hist field functions can access that.

2
debian/patches/features/all/rt/0009-tracing-Reimplement-log2.patch vendored
View File

@ -1,7 +1,7 @@
From: Tom Zanussi <tom.zanussi@linux.intel.com>
Date: Fri, 22 Sep 2017 14:58:23 -0500
Subject: [PATCH 09/42] tracing: Reimplement log2
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
log2 as currently implemented applies only to u64 trace_event_field
derived fields, and assumes that anything it's applied to is a u64

2
debian/patches/features/all/rt/0009-tracing-hrtimer-Print-hrtimer-mode-in-hrtimer_start-.patch vendored
View File

@ -2,7 +2,7 @@ From: Anna-Maria Gleixner <anna-maria@linutronix.de>
Date: Wed, 20 Dec 2017 17:12:58 +0100
Subject: [PATCH 09/29] tracing/hrtimer: Print hrtimer mode in hrtimer_start
tracepoint
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
The hrtimer_start tracepoint lacks the mode information. The mode is
important because consecutive starts can switch from ABS to REL or from

2
debian/patches/features/all/rt/0010-hrtimer-Switch-for-loop-to-_ffs-evaluation.patch vendored
View File

@ -1,7 +1,7 @@
From: Anna-Maria Gleixner <anna-maria@linutronix.de>
Date: Wed, 20 Dec 2017 17:12:59 +0100
Subject: [PATCH 10/29] hrtimer: Switch for loop to _ffs() evaluation
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
Looping over all clock bases to find active bits is suboptimal if not all
bases are active.

2
debian/patches/features/all/rt/0010-tracing-Break-out-hist-trigger-assignment-parsing.patch vendored
View File

@ -1,7 +1,7 @@
From: Tom Zanussi <tom.zanussi@linux.intel.com>
Date: Thu, 21 Dec 2017 10:02:32 -0600
Subject: [PATCH 10/37] tracing: Break out hist trigger assignment parsing
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
This will make it easier to add variables, and makes the parsing code
cleaner regardless.

2
debian/patches/features/all/rt/0011-hrtimer-Store-running-timer-in-hrtimer_clock_base.patch vendored
View File

@ -1,7 +1,7 @@
From: Anna-Maria Gleixner <anna-maria@linutronix.de>
Date: Wed, 20 Dec 2017 17:13:00 +0100
Subject: [PATCH 11/29] hrtimer: Store running timer in hrtimer_clock_base
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
The pointer to the currently running timer is stored in hrtimer_cpu_base
before the base lock is dropped and the callback is invoked.

2
debian/patches/features/all/rt/0011-tracing-Add-hist-trigger-timestamp-support.patch vendored
View File

@ -1,7 +1,7 @@
From: Tom Zanussi <tom.zanussi@linux.intel.com>
Date: Thu, 21 Dec 2017 10:02:33 -0600
Subject: [PATCH 11/37] tracing: Add hist trigger timestamp support
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
Add support for a timestamp event field. This is actually a 'pseudo-'
event field in that it behaves like it's part of the event record, but

2
debian/patches/features/all/rt/0012-hrtimer-Make-room-in-struct-hrtimer_cpu_base.patch vendored
View File

@ -1,7 +1,7 @@
From: Anna-Maria Gleixner <anna-maria@linutronix.de>
Date: Wed, 20 Dec 2017 17:13:01 +0100
Subject: [PATCH 12/29] hrtimer: Make room in struct hrtimer_cpu_base
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
The upcoming softirq based hrtimers support requires an additional field in
the hrtimer_cpu_base struct, which would grow the struct size beyond a

2
debian/patches/features/all/rt/0012-tracing-Add-per-element-variable-support-to-tracing_.patch vendored
View File

@ -2,7 +2,7 @@ From: Tom Zanussi <tom.zanussi@linux.intel.com>
Date: Thu, 21 Dec 2017 10:02:34 -0600
Subject: [PATCH 12/37] tracing: Add per-element variable support to
tracing_map
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
In order to allow information to be passed between trace events, add
support for per-element variables to tracing_map. This provides a

2
debian/patches/features/all/rt/0013-hrtimer-Reduce-conditional-code-hres_active.patch vendored
View File

@ -1,7 +1,7 @@
From: Anna-Maria Gleixner <anna-maria@linutronix.de>
Date: Wed, 20 Dec 2017 17:13:02 +0100
Subject: [PATCH 13/29] hrtimer: Reduce conditional code (hres_active)
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
The hrtimer_cpu_base struct has the CONFIG_HIGH_RES_TIMERS conditional
struct member hres_active. All related functions to this member are

2
debian/patches/features/all/rt/0013-tracing-Add-hist_data-member-to-hist_field.patch vendored
View File

@ -1,7 +1,7 @@
From: Tom Zanussi <tom.zanussi@linux.intel.com>
Date: Thu, 21 Dec 2017 10:02:35 -0600
Subject: [PATCH 13/37] tracing: Add hist_data member to hist_field
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
Allow hist_data access via hist_field. Some users of hist_fields
require or will require more access to the associated hist_data.

2
debian/patches/features/all/rt/0014-hrtimer-Use-accesor-functions-instead-of-direct-acce.patch vendored
View File

@ -1,7 +1,7 @@
From: Anna-Maria Gleixner <anna-maria@linutronix.de>
Date: Wed, 20 Dec 2017 17:13:03 +0100
Subject: [PATCH 14/29] hrtimer: Use accesor functions instead of direct access
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
__hrtimer_hres_active() is now available unconditionally. Replace the
direct access to hrtimer_cpu_base.hres_active.

2
debian/patches/features/all/rt/0014-tracing-Add-usecs-modifier-for-hist-trigger-timestam.patch vendored
View File

@ -1,7 +1,7 @@
From: Tom Zanussi <tom.zanussi@linux.intel.com>
Date: Thu, 21 Dec 2017 10:02:36 -0600
Subject: [PATCH 14/37] tracing: Add usecs modifier for hist trigger timestamps
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
Appending .usecs onto a common_timestamp field will cause the
timestamp value to be in microseconds instead of the default

2
debian/patches/features/all/rt/0015-hrtimer-Make-the-remote-enqueue-check-unconditional.patch vendored
View File

@ -1,7 +1,7 @@
From: Anna-Maria Gleixner <anna-maria@linutronix.de>
Date: Wed, 20 Dec 2017 17:13:04 +0100
Subject: [PATCH 15/29] hrtimer: Make the remote enqueue check unconditional
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
hrtimer_cpu_base.expires_next is used to cache the next event armed in the
timer hardware. The value is used to check whether an hrtimer can be

2
debian/patches/features/all/rt/0015-tracing-Add-variable-support-to-hist-triggers.patch vendored
View File

@ -1,7 +1,7 @@
From: Tom Zanussi <tom.zanussi@linux.intel.com>
Date: Thu, 21 Dec 2017 10:02:37 -0600
Subject: [PATCH 15/37] tracing: Add variable support to hist triggers
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
Add support for saving the value of a current event's event field by
assigning it to a variable that can be read by a subsequent event.

2
debian/patches/features/all/rt/0016-hrtimer-Make-hrtimer_cpu_base.next_timer-handling-un.patch vendored
View File

@ -2,7 +2,7 @@ From: Anna-Maria Gleixner <anna-maria@linutronix.de>
Date: Wed, 20 Dec 2017 17:13:05 +0100
Subject: [PATCH 16/29] hrtimer: Make hrtimer_cpu_base.next_timer handling
unconditional
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
hrtimer_cpu_base.next_timer stores the pointer to the next expiring timer
in a cpu base.

2
debian/patches/features/all/rt/0016-tracing-Account-for-variables-in-named-trigger-compa.patch vendored
View File

@ -2,7 +2,7 @@ From: Tom Zanussi <tom.zanussi@linux.intel.com>
Date: Thu, 21 Dec 2017 10:02:38 -0600
Subject: [PATCH 16/37] tracing: Account for variables in named trigger
compatibility
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
Named triggers must also have the same set of variables in order to be
considered compatible - update the trigger match test to account for

2
debian/patches/features/all/rt/0017-hrtimer-Make-hrtimer_reprogramm-unconditional.patch vendored
View File

@ -1,7 +1,7 @@
From: Anna-Maria Gleixner <anna-maria@linutronix.de>
Date: Wed, 20 Dec 2017 17:13:06 +0100
Subject: [PATCH 17/29] hrtimer: Make hrtimer_reprogramm() unconditional
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
hrtimer_reprogram() needs to be available unconditionally for softirq based
hrtimers. Move the function and all required struct members out of the

2
debian/patches/features/all/rt/0017-tracing-Move-get_hist_field_flags.patch vendored
View File

@ -1,7 +1,7 @@
From: Tom Zanussi <tom.zanussi@linux.intel.com>
Date: Thu, 21 Dec 2017 10:02:39 -0600
Subject: [PATCH 17/37] tracing: Move get_hist_field_flags()
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
Move get_hist_field_flags() to make it more easily accessible for new
code (and keep the move separate from new functionality).

2
debian/patches/features/all/rt/0018-hrtimer-Make-hrtimer_force_reprogramm-unconditionall.patch vendored
View File

@ -2,7 +2,7 @@ From: Anna-Maria Gleixner <anna-maria@linutronix.de>
Date: Wed, 20 Dec 2017 17:13:07 +0100
Subject: [PATCH 18/29] hrtimer: Make hrtimer_force_reprogramm()
unconditionally available
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
hrtimer_force_reprogram() needs to be available unconditionally for softirq
based hrtimers. Move the function and all required struct members out of

2
debian/patches/features/all/rt/0018-tracing-Add-simple-expression-support-to-hist-trigge.patch vendored
View File

@ -1,7 +1,7 @@
From: Tom Zanussi <tom.zanussi@linux.intel.com>
Date: Thu, 21 Dec 2017 10:02:40 -0600
Subject: [PATCH 18/37] tracing: Add simple expression support to hist triggers
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
Add support for simple addition, subtraction, and unary expressions
(-(expr) and expr, where expr = b-a, a+b, a+b+c) to hist triggers, in

2
debian/patches/features/all/rt/0019-hrtimer-Unify-handling-of-hrtimer-remove.patch vendored
View File

@ -1,7 +1,7 @@
From: Anna-Maria Gleixner <anna-maria@linutronix.de>
Date: Wed, 20 Dec 2017 17:13:08 +0100
Subject: [PATCH 19/29] hrtimer: Unify handling of hrtimer remove
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
When the first hrtimer on the current CPU is removed,
hrtimer_force_reprogram() is invoked but only when

2
debian/patches/features/all/rt/0019-tracing-Generalize-per-element-hist-trigger-data.patch vendored
View File

@ -1,7 +1,7 @@
From: Tom Zanussi <tom.zanussi@linux.intel.com>
Date: Thu, 21 Dec 2017 10:02:41 -0600
Subject: [PATCH 19/37] tracing: Generalize per-element hist trigger data
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
Up until now, hist triggers only needed per-element support for saving
'comm' data, which was saved directly as a private data pointer.

2
debian/patches/features/all/rt/0020-hrtimer-Unify-handling-of-remote-enqueue.patch vendored
View File

@ -1,7 +1,7 @@
From: Anna-Maria Gleixner <anna-maria@linutronix.de>
Date: Wed, 20 Dec 2017 17:13:09 +0100
Subject: [PATCH 20/29] hrtimer: Unify handling of remote enqueue
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
hrtimer_reprogram() is conditionally invoked from hrtimer_start_range_ns()
when hrtimer_cpu_base.hres_active is true.

2
debian/patches/features/all/rt/0020-tracing-Pass-tracing_map_elt-to-hist_field-accessor-.patch vendored
View File

@ -2,7 +2,7 @@ From: Tom Zanussi <tom.zanussi@linux.intel.com>
Date: Thu, 21 Dec 2017 10:02:42 -0600
Subject: [PATCH 20/37] tracing: Pass tracing_map_elt to hist_field accessor
functions
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
Some accessor functions, such as for variable references, require
access to a corrsponding tracing_map_elt.

2
debian/patches/features/all/rt/0021-hrtimer-Make-remote-enqueue-decision-less-restrictiv.patch vendored
View File

@ -1,7 +1,7 @@
From: Anna-Maria Gleixner <anna-maria@linutronix.de>
Date: Wed, 20 Dec 2017 17:13:10 +0100
Subject: [PATCH 21/29] hrtimer: Make remote enqueue decision less restrictive
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
The current decision whether a timer can be queued on a remote CPU checks
for timer->expiry <= remote_cpu_base.expires_next.

2
debian/patches/features/all/rt/0021-tracing-Add-hist_field-type-field.patch vendored
View File

@ -1,7 +1,7 @@
From: Tom Zanussi <tom.zanussi@linux.intel.com>
Date: Thu, 21 Dec 2017 10:02:43 -0600
Subject: [PATCH 21/37] tracing: Add hist_field 'type' field
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
Future support for synthetic events requires hist_field 'type'
information, so add a field for that.

2
debian/patches/features/all/rt/0022-hrtimer-Remove-base-argument-from-hrtimer_reprogram.patch vendored
View File

@ -1,7 +1,7 @@
From: Anna-Maria Gleixner <anna-maria@linutronix.de>
Date: Wed, 20 Dec 2017 17:13:11 +0100
Subject: [PATCH 22/29] hrtimer: Remove base argument from hrtimer_reprogram()
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
hrtimer_reprogram() must have access to the hrtimer_clock_base of the new
first expiring timer to access hrtimer_clock_base.offset for adjusting the

6
debian/patches/features/all/rt/0022-tracing-Add-variable-reference-handling-to-hist-trig.patch vendored
View File

@ -2,7 +2,7 @@ From: Tom Zanussi <tom.zanussi@linux.intel.com>
Date: Thu, 21 Dec 2017 10:02:44 -0600
Subject: [PATCH 22/37] tracing: Add variable reference handling to hist
triggers
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
Add the necessary infrastructure to allow the variables defined on one
event to be referenced in another. This allows variables set by a
@ -33,7 +33,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -7793,6 +7793,7 @@ static int instance_mkdir(const char *na
@@ -7788,6 +7788,7 @@ static int instance_mkdir(const char *na
INIT_LIST_HEAD(&tr->systems);
INIT_LIST_HEAD(&tr->events);
@ -41,7 +41,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
if (allocate_trace_buffers(tr, trace_buf_size) < 0)
goto out_free_tr;
@@ -8543,6 +8544,7 @@ ssize_t trace_parse_run_command(struct f
@@ -8538,6 +8539,7 @@ ssize_t trace_parse_run_command(struct f
INIT_LIST_HEAD(&global_trace.systems);
INIT_LIST_HEAD(&global_trace.events);

2
debian/patches/features/all/rt/0023-hrtimer-Split-hrtimer_start_range_ns.patch vendored
View File

@ -1,7 +1,7 @@
From: Anna-Maria Gleixner <anna-maria@linutronix.de>
Date: Wed, 20 Dec 2017 17:13:12 +0100
Subject: [PATCH 23/29] hrtimer: Split hrtimer_start_range_ns()
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
Preparatory patch for softirq based hrtimers to avoid code duplication. No
functional change.

2
debian/patches/features/all/rt/0023-tracing-Add-hist-trigger-action-hook.patch vendored
View File

@ -1,7 +1,7 @@
From: Tom Zanussi <tom.zanussi@linux.intel.com>
Date: Thu, 21 Dec 2017 10:02:45 -0600
Subject: [PATCH 23/37] tracing: Add hist trigger action hook
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
Add a hook for executing extra actions whenever a histogram entry is
added or updated.

2
debian/patches/features/all/rt/0024-hrtimer-Split-__hrtimer_get_next_event.patch vendored
View File

@ -1,7 +1,7 @@
From: Anna-Maria Gleixner <anna-maria@linutronix.de>
Date: Wed, 20 Dec 2017 17:13:13 +0100
Subject: [PATCH 24/29] hrtimer: Split __hrtimer_get_next_event()
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
Preparatory patch for softirq based hrtimers to avoid code duplication. No
functional change.

2
debian/patches/features/all/rt/0024-tracing-Add-support-for-synthetic-events.patch vendored
View File

@ -1,7 +1,7 @@
From: Tom Zanussi <tom.zanussi@linux.intel.com>
Date: Thu, 21 Dec 2017 10:02:46 -0600
Subject: [PATCH 24/37] tracing: Add support for 'synthetic' events
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
Synthetic events are user-defined events generated from hist trigger
variables saved from one or more other events.

2
debian/patches/features/all/rt/0025-hrtimer-Use-irqsave-irqrestore-around-__run_hrtimer.patch vendored
View File

@ -1,7 +1,7 @@
From: Anna-Maria Gleixner <anna-maria@linutronix.de>
Date: Wed, 20 Dec 2017 17:13:14 +0100
Subject: [PATCH 25/29] hrtimer: Use irqsave/irqrestore around __run_hrtimer()
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
__run_hrtimer() is called with the hrtimer_cpu_base.lock held and
interrupts disabled. Before invoking the timer callback the base lock is

2
debian/patches/features/all/rt/0025-tracing-Add-support-for-field-variables.patch vendored
View File

@ -1,7 +1,7 @@
From: Tom Zanussi <tom.zanussi@linux.intel.com>
Date: Thu, 21 Dec 2017 10:02:47 -0600
Subject: [PATCH 25/37] tracing: Add support for 'field variables'
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
Users should be able to directly specify event fields in hist trigger
'actions' rather than being forced to explicitly create a variable for

2
debian/patches/features/all/rt/0026-hrtimer-Add-clock-bases-and-hrtimer-mode-for-soft-ir.patch vendored
View File

@ -2,7 +2,7 @@ From: Anna-Maria Gleixner <anna-maria@linutronix.de>
Date: Wed, 20 Dec 2017 17:13:15 +0100
Subject: [PATCH 26/29] hrtimer: Add clock bases and hrtimer mode for soft irq
context
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
hrtimer callback functions are always executed in hard interrupt
context. Users of hrtimer which need their timer function to be executed

2
debian/patches/features/all/rt/0026-tracing-Add-onmatch-hist-trigger-action-support.patch vendored
View File

@ -1,7 +1,7 @@
From: Tom Zanussi <tom.zanussi@linux.intel.com>
Date: Thu, 21 Dec 2017 10:02:48 -0600
Subject: [PATCH 26/37] tracing: Add 'onmatch' hist trigger action support
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
Add an 'onmatch(matching.event).<synthetic_event_name>(param list)'
hist trigger action which is invoked with the set of variables or

2
debian/patches/features/all/rt/0027-hrtimer-Prepare-handling-of-hard-and-softirq-based-h.patch vendored
View File

@ -2,7 +2,7 @@ From: Anna-Maria Gleixner <anna-maria@linutronix.de>
Date: Wed, 20 Dec 2017 17:13:16 +0100
Subject: [PATCH 27/29] hrtimer: Prepare handling of hard and softirq based
hrtimers
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
The softirq based hrtimer can utilize most of the existing hrtimers
functions, but need to operate on a different data set.

2
debian/patches/features/all/rt/0027-tracing-Add-onmax-hist-trigger-action-support.patch vendored
View File

@ -1,7 +1,7 @@
From: Tom Zanussi <tom.zanussi@linux.intel.com>
Date: Thu, 21 Dec 2017 10:02:49 -0600
Subject: [PATCH 27/37] tracing: Add 'onmax' hist trigger action support
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
Add an 'onmax(var).save(field,...)' hist trigger action which is
invoked whenever an event exceeds the current maximum.

2
debian/patches/features/all/rt/0028-hrtimer-Implement-support-for-softirq-based-hrtimers.patch vendored
View File

@ -1,7 +1,7 @@
From: Anna-Maria Gleixner <anna-maria@linutronix.de>
Date: Wed, 20 Dec 2017 17:13:17 +0100
Subject: [PATCH 28/29] hrtimer: Implement support for softirq based hrtimers
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
hrtimer callbacks are always invoked in hard interrupt context. Several
users in tree require soft interrupt context for their callbacks and

2
debian/patches/features/all/rt/0028-tracing-Allow-whitespace-to-surround-hist-trigger-fi.patch vendored
View File

@ -2,7 +2,7 @@ From: Tom Zanussi <tom.zanussi@linux.intel.com>
Date: Thu, 21 Dec 2017 10:02:50 -0600
Subject: [PATCH 28/37] tracing: Allow whitespace to surround hist trigger
filter
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
The existing code only allows for one space before and after the 'if'
specifying the filter for a hist trigger. Add code to make that more

2
debian/patches/features/all/rt/0029-hrtimer-Implement-SOFT-HARD-clock-base-selection.patch vendored
View File

@ -1,7 +1,7 @@
From: Anna-Maria Gleixner <anna-maria@linutronix.de>
Date: Wed, 20 Dec 2017 17:13:18 +0100
Subject: [PATCH 29/29] hrtimer: Implement SOFT/HARD clock base selection
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
All prerequisites to handle hrtimers for expiry in either hard or soft
interrupt context are in place.

2
debian/patches/features/all/rt/0029-tracing-Add-cpu-field-for-hist-triggers.patch vendored
View File

@ -1,7 +1,7 @@
From: Tom Zanussi <tom.zanussi@linux.intel.com>
Date: Thu, 21 Dec 2017 10:02:51 -0600
Subject: [PATCH 29/37] tracing: Add cpu field for hist triggers
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
A common key to use in a histogram is the cpuid - add a new cpu
'synthetic' field named 'cpu' for that purpose.

2
debian/patches/features/all/rt/0030-can-bcm-Replace-hrtimer_tasklet-with-softirq-based-h.patch vendored
View File

@ -2,7 +2,7 @@ From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 23 Nov 2017 16:39:11 +0100
Subject: [PATCH 30/36] can/bcm: Replace hrtimer_tasklet with softirq based
hrtimer
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
Switch the timer to HRTIMER_MODE_SOFT, which executed the timer
callback in softirq context and remove the hrtimer_tasklet.

2
debian/patches/features/all/rt/0030-tracing-Add-hist-trigger-support-for-variable-refere.patch vendored
View File

@ -2,7 +2,7 @@ From: Tom Zanussi <tom.zanussi@linux.intel.com>
Date: Thu, 21 Dec 2017 10:02:52 -0600
Subject: [PATCH 30/37] tracing: Add hist trigger support for variable
reference aliases
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
Add support for alias=$somevar where alias can be used as
onmatch.xxx($alias).

2
debian/patches/features/all/rt/0031-mac80211_hwsim-Replace-hrtimer-tasklet-with-softirq-.patch vendored
View File

@ -2,7 +2,7 @@ From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 23 Nov 2017 16:39:12 +0100
Subject: [PATCH 31/36] mac80211_hwsim: Replace hrtimer tasklet with softirq
hrtimer
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
Switch the timer to HRTIMER_MODE_SOFT, which executed the timer
callback in softirq context and remove the hrtimer_tasklet.

2
debian/patches/features/all/rt/0031-tracing-Add-last-error-error-facility-for-hist-trigg.patch vendored
View File

@ -2,7 +2,7 @@ From: Tom Zanussi <tom.zanussi@linux.intel.com>
Date: Thu, 21 Dec 2017 10:02:53 -0600
Subject: [PATCH 31/37] tracing: Add 'last error' error facility for hist
triggers
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
With the addition of variables and actions, it's become necessary to
provide more detailed error information to users about syntax errors.

2
debian/patches/features/all/rt/0032-tracing-Add-inter-event-hist-trigger-Documentation.patch vendored
View File

@ -1,7 +1,7 @@
From: Tom Zanussi <tom.zanussi@linux.intel.com>
Date: Thu, 21 Dec 2017 10:02:54 -0600
Subject: [PATCH 32/37] tracing: Add inter-event hist trigger Documentation
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
Add background and details on inter-event hist triggers, including
hist variables, synthetic events, and actions.

2
debian/patches/features/all/rt/0032-xfrm-Replace-hrtimer-tasklet-with-softirq-hrtimer.patch vendored
View File

@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 23 Nov 2017 16:39:13 +0100
Subject: [PATCH 32/36] xfrm: Replace hrtimer tasklet with softirq hrtimer
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
Switch the timer to HRTIMER_MODE_SOFT, which executed the timer
callback in softirq context and remove the hrtimer_tasklet.

2
debian/patches/features/all/rt/0033-softirq-Remove-tasklet_hrtimer.patch vendored
View File

@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 23 Nov 2017 16:39:14 +0100
Subject: [PATCH 33/36] softirq: Remove tasklet_hrtimer
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
There are no more tasklet_hrtimer users of this interface.
Remove it.

2
debian/patches/features/all/rt/0033-tracing-Make-tracing_set_clock-non-static.patch vendored
View File

@ -1,7 +1,7 @@
From: Tom Zanussi <tom.zanussi@linux.intel.com>
Date: Thu, 21 Dec 2017 10:02:55 -0600
Subject: [PATCH 33/37] tracing: Make tracing_set_clock() non-static
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
Allow tracing code outside of trace.c to access tracing_set_clock().

2
debian/patches/features/all/rt/0034-ALSA-dummy-Replace-tasklet-with-softirq-hrtimer.patch vendored
View File

@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 23 Nov 2017 16:39:15 +0100
Subject: [PATCH 34/36] ALSA/dummy: Replace tasklet with softirq hrtimer
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
The tasklet is used to defer the execution of snd_pcm_period_elapsed() to
the softirq context. Using the HRTIMER_MODE_SOFT mode invokes the timer

2
debian/patches/features/all/rt/0034-tracing-Add-a-clock-attribute-for-hist-triggers.patch vendored
View File

@ -1,7 +1,7 @@
From: Tom Zanussi <tom.zanussi@linux.intel.com>
Date: Thu, 21 Dec 2017 10:02:56 -0600
Subject: [PATCH 34/37] tracing: Add a clock attribute for hist triggers
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
The default clock if timestamps are used in a histogram is "global".
If timestamps aren't used, the clock is irrelevant.

4
debian/patches/features/all/rt/0035-tracing-Increase-trace_recursive_lock-limit-for-synt.patch vendored
View File

@ -2,7 +2,7 @@ From: Tom Zanussi <tom.zanussi@linux.intel.com>
Date: Thu, 21 Dec 2017 10:02:57 -0600
Subject: [PATCH 35/37] tracing: Increase trace_recursive_lock() limit for
synthetic events
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
Synthetic event generation needs to happen while the current event is
still in progress, so add 1 to the trace_recursive_lock() recursion
@ -20,7 +20,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -2589,16 +2589,16 @@ rb_wakeups(struct ring_buffer *buffer, s
@@ -2593,16 +2593,16 @@ rb_wakeups(struct ring_buffer *buffer, s
* IRQ context
* NMI context
*

2
debian/patches/features/all/rt/0035-usb-gadget-NCM-Replace-tasklet-with-softirq-hrtimer.patch vendored
View File

@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 23 Nov 2017 16:39:16 +0100
Subject: [PATCH 35/36] usb/gadget/NCM: Replace tasklet with softirq hrtimer
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
The tx_tasklet tasklet is used in invoke the hrtimer (task_timer) in
softirq context. This can be also achieved without the tasklet but

10
debian/patches/features/all/rt/0036-net-mvpp2-Replace-tasklet-with-softirq-hrtimer.patch vendored
View File

@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx@linutronix.de>
Date: Thu, 23 Nov 2017 16:39:17 +0100
Subject: [PATCH 36/36] net/mvpp2: Replace tasklet with softirq hrtimer
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
The tx_done_tasklet tasklet is used in invoke the hrtimer
(mvpp2_hr_timer_cb) in softirq context. This can be also achieved without
@ -30,7 +30,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
};
struct mvpp2_queue_vector {
@@ -5979,46 +5978,34 @@ static void mvpp2_link_event(struct net_
@@ -5970,46 +5969,34 @@ static void mvpp2_link_event(struct net_
}
}
@ -93,7 +93,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
return HRTIMER_NORESTART;
}
@@ -6507,7 +6494,12 @@ static int mvpp2_tx(struct sk_buff *skb,
@@ -6498,7 +6485,12 @@ static int mvpp2_tx(struct sk_buff *skb,
txq_pcpu->count > 0) {
struct mvpp2_port_pcpu *port_pcpu = this_cpu_ptr(port->pcpu);
@ -107,7 +107,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
}
return NETDEV_TX_OK;
@@ -6896,7 +6888,6 @@ static int mvpp2_stop(struct net_device
@@ -6887,7 +6879,6 @@ static int mvpp2_stop(struct net_device
hrtimer_cancel(&port_pcpu->tx_done_timer);
port_pcpu->timer_scheduled = false;
@ -115,7 +115,7 @@ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
}
}
mvpp2_cleanup_rxqs(port);
@@ -7664,13 +7655,10 @@ static int mvpp2_port_probe(struct platf
@@ -7655,13 +7646,10 @@ static int mvpp2_port_probe(struct platf
port_pcpu = per_cpu_ptr(port->pcpu, cpu);
hrtimer_init(&port_pcpu->tx_done_timer, CLOCK_MONOTONIC,

2
debian/patches/features/all/rt/0036-tracing-Add-inter-event-blurb-to-HIST_TRIGGERS-confi.patch vendored
View File

@ -2,7 +2,7 @@ From: Tom Zanussi <tom.zanussi@linux.intel.com>
Date: Thu, 21 Dec 2017 10:02:58 -0600
Subject: [PATCH 36/37] tracing: Add inter-event blurb to HIST_TRIGGERS config
option
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
So that users know that inter-event tracing is supported as part of
the HIST_TRIGGERS option, include text to that effect in the help

2
debian/patches/features/all/rt/0037-selftests-ftrace-Add-inter-event-hist-triggers-testc.patch vendored
View File

@ -2,7 +2,7 @@ From: Rajvi Jingar <rajvi.jingar@intel.com>
Date: Thu, 21 Dec 2017 10:02:59 -0600
Subject: [PATCH 37/37] selftests: ftrace: Add inter-event hist triggers
testcases
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
This adds inter-event hist triggers testcases which covers following:
- create/remove synthetic event

2
debian/patches/features/all/rt/ARM-enable-irq-in-translation-section-permission-fau.patch vendored
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@ -1,7 +1,7 @@
From: "Yadi.hu" <yadi.hu@windriver.com>
Date: Wed, 10 Dec 2014 10:32:09 +0800
Subject: ARM: enable irq in translation/section permission fault handlers
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
Probably happens on all ARM, with
CONFIG_PREEMPT_RT_FULL

2
debian/patches/features/all/rt/Bluetooth-avoid-recursive-locking-in-hci_send_to_cha.patch vendored
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@ -2,7 +2,7 @@ From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Thu, 21 Sep 2017 15:35:57 +0200
Subject: Bluetooth: avoid recursive locking in
hci_send_to_channel()
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
Mart reported a deadlock in -RT in the call path:
hci_send_monitor_ctrl_event() -> hci_send_to_channel()

2
debian/patches/features/all/rt/HACK-printk-drop-the-logbuf_lock-more-often.patch vendored
View File

@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Thu, 21 Mar 2013 19:01:05 +0100
Subject: printk: Drop the logbuf_lock more often
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
The lock is hold with irgs off. The latency drops 500us+ on my arm bugs
with a "full" buffer after executing "dmesg" on the shell.

2
debian/patches/features/all/rt/KVM-arm-arm64-downgrade-preempt_disable-d-region-to-.patch vendored
View File

@ -1,7 +1,7 @@
From: Josh Cartwright <joshc@ni.com>
Date: Thu, 11 Feb 2016 11:54:01 -0600
Subject: KVM: arm/arm64: downgrade preempt_disable()d region to migrate_disable()
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
kvm_arch_vcpu_ioctl_run() disables the use of preemption when updating
the vgic and timer states to prevent the calling task from migrating to

2
debian/patches/features/all/rt/NFSv4-replace-seqcount_t-with-a-seqlock_t.patch vendored
View File

@ -5,7 +5,7 @@ Cc: Anna Schumaker <anna.schumaker@netapp.com>,
linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org,
tglx@linutronix.de
Subject: NFSv4: replace seqcount_t with a seqlock_t
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
The raw_write_seqcount_begin() in nfs4_reclaim_open_state() bugs me
because it maps to preempt_disable() in -RT which I can't have at this

2
debian/patches/features/all/rt/RCU-we-need-to-skip-that-warning-but-only-on-sleepin.patch vendored
View File

@ -2,7 +2,7 @@ From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Thu, 21 Sep 2017 14:25:13 +0200
Subject: [PATCH] RCU: we need to skip that warning but only on sleeping
locks
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
This check is okay for upstream. On RT we trigger this while blocking on
sleeping lock. In this case, it is okay to schedule() within a RCU

2
debian/patches/features/all/rt/Revert-fs-jbd2-pull-your-plug-when-waiting-for-space.patch vendored
View File

@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Thu, 23 Nov 2017 17:51:51 +0100
Subject: [PATCH] Revert "fs: jbd2: pull your plug when waiting for space"
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
This reverts commit "fs: jbd2: pull your plug when waiting for space".
This was a duct-tape fix which shouldn't be needed since commit

2
debian/patches/features/all/rt/Revert-memcontrol-Prevent-scheduling-while-atomic-in.patch vendored
View File

@ -2,7 +2,7 @@ From: "Steven Rostedt (VMware)" <rostedt@goodmis.org>
Date: Wed, 22 Nov 2017 07:31:19 -0500
Subject: [PATCH] Revert "memcontrol: Prevent scheduling while atomic in cgroup
code"
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
The commit "memcontrol: Prevent scheduling while atomic in cgroup code"
fixed this issue:

2
debian/patches/features/all/rt/acpi-rt-Convert-acpi_gbl_hardware-lock-back-to-a-raw.patch vendored
View File

@ -1,7 +1,7 @@
From: Steven Rostedt <rostedt@goodmis.org>
Date: Wed, 13 Feb 2013 09:26:05 -0500
Subject: acpi/rt: Convert acpi_gbl_hardware lock back to a raw_spinlock_t
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
We hit the following bug with 3.6-rt:

2
debian/patches/features/all/rt/add_migrate_disable.patch vendored
View File

@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat, 27 May 2017 19:02:06 +0200
Subject: kernel/sched/core: add migrate_disable()
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
---
include/linux/preempt.h | 23 ++++++++

2
debian/patches/features/all/rt/apparmor-use-a-locallock-instead-preempt_disable.patch vendored
View File

@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Wed, 11 Oct 2017 17:43:49 +0200
Subject: apparmor: use a locallock instead preempt_disable()
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
get_buffers() disables preemption which acts as a lock for the per-CPU
variable. Since we can't disable preemption here on RT, a local_lock is

2
debian/patches/features/all/rt/arch-arm64-Add-lazy-preempt-support.patch vendored
View File

@ -1,7 +1,7 @@
From: Anders Roxell <anders.roxell@linaro.org>
Date: Thu, 14 May 2015 17:52:17 +0200
Subject: arch/arm64: Add lazy preempt support
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
arm64 is missing support for PREEMPT_RT. The main feature which is
lacking is support for lazy preemption. The arch-specific entry code,

2
debian/patches/features/all/rt/arm-at91-pit-remove-irq-handler-when-clock-is-unused.patch vendored
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@ -1,7 +1,7 @@
From: Benedikt Spranger <b.spranger@linutronix.de>
Date: Sat, 6 Mar 2010 17:47:10 +0100
Subject: ARM: AT91: PIT: Remove irq handler when clock event is unused
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
Setup and remove the interrupt handler in clock event mode selection.
This avoids calling the (shared) interrupt handler when the device is

2
debian/patches/features/all/rt/arm-at91-tclib-default-to-tclib-timer-for-rt.patch vendored
View File

@ -1,7 +1,7 @@
From: Thomas Gleixner <tglx@linutronix.de>
Date: Sat, 1 May 2010 18:29:35 +0200
Subject: ARM: at91: tclib: Default to tclib timer for RT
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
RT is not too happy about the shared timer interrupt in AT91
devices. Default to tclib timer for RT.

2
debian/patches/features/all/rt/arm-convert-boot-lock-to-raw.patch vendored
View File

@ -1,7 +1,7 @@
From: Frank Rowand <frank.rowand@am.sony.com>
Date: Mon, 19 Sep 2011 14:51:14 -0700
Subject: arm: Convert arm boot_lock to raw
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
The arm boot_lock is used by the secondary processor startup code. The locking
task is the idle thread, which has idle->sched_class == &idle_sched_class.

2
debian/patches/features/all/rt/arm-disable-NEON-in-kernel-mode.patch vendored
View File

@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Fri, 1 Dec 2017 10:42:03 +0100
Subject: [PATCH] arm*: disable NEON in kernel mode
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
NEON in kernel mode is used by the crypto algorithms and raid6 code.
While the raid6 code looks okay, the crypto algorithms do not: NEON

2
debian/patches/features/all/rt/arm-enable-highmem-for-rt.patch vendored
View File

@ -1,7 +1,7 @@
Subject: arm: Enable highmem for rt
From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 13 Feb 2013 11:03:11 +0100
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
fixup highmem for ARM.

2
debian/patches/features/all/rt/arm-highmem-flush-tlb-on-unmap.patch vendored
View File

@ -1,7 +1,7 @@
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Mon, 11 Mar 2013 21:37:27 +0100
Subject: arm/highmem: Flush tlb on unmap
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.8-rt9.tar.xz
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.14/older/patches-4.14.15-rt11.tar.xz
The tlb should be flushed on unmap and thus make the mapping entry
invalid. This is only done in the non-debug case which does not look

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