lkml.org 
[lkml]   [2016]   [Jul]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[tip:smp/hotplug] perf/core: Remove perf CPU notifier code
Commit-ID:  89ab9cb16931873ec600a909b3a38436352e629a
Gitweb: http://git.kernel.org/tip/89ab9cb16931873ec600a909b3a38436352e629a
Author: Thomas Gleixner <tglx@linutronix.de>
AuthorDate: Wed, 13 Jul 2016 17:16:28 +0000
Committer: Ingo Molnar <mingo@kernel.org>
CommitDate: Thu, 14 Jul 2016 09:34:42 +0200

perf/core: Remove perf CPU notifier code

All users converted to state machine callbacks.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Anna-Maria Gleixner <anna-maria@linutronix.de>
Reviewed-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Nicolas Iooss <nicolas.iooss_linux@m4x.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: rt@linutronix.de
Link: http://lkml.kernel.org/r/20160713153335.115333381@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
include/linux/cpu.h | 2 --
include/linux/perf_event.h | 35 -----------------------------------
2 files changed, 37 deletions(-)

diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index 21597dc..ca2dd86 100644
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -59,8 +59,6 @@ struct notifier_block;
* CPU notifier priorities.
*/
enum {
- CPU_PRI_PERF = 20,
-
/* bring up workqueues before normal notifiers and down after */
CPU_PRI_WORKQUEUE_UP = 5,
CPU_PRI_WORKQUEUE_DOWN = -5,
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 9abeb69..ddd3dab 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -1285,41 +1285,6 @@ static inline void perf_restore_debug_store(void) { }

#define perf_output_put(handle, x) perf_output_copy((handle), &(x), sizeof(x))

-/*
- * This has to have a higher priority than migration_notifier in sched/core.c.
- */
-#define perf_cpu_notifier(fn) \
-do { \
- static struct notifier_block fn##_nb = \
- { .notifier_call = fn, .priority = CPU_PRI_PERF }; \
- unsigned long cpu = smp_processor_id(); \
- unsigned long flags; \
- \
- cpu_notifier_register_begin(); \
- fn(&fn##_nb, (unsigned long)CPU_UP_PREPARE, \
- (void *)(unsigned long)cpu); \
- local_irq_save(flags); \
- fn(&fn##_nb, (unsigned long)CPU_STARTING, \
- (void *)(unsigned long)cpu); \
- local_irq_restore(flags); \
- fn(&fn##_nb, (unsigned long)CPU_ONLINE, \
- (void *)(unsigned long)cpu); \
- __register_cpu_notifier(&fn##_nb); \
- cpu_notifier_register_done(); \
-} while (0)
-
-/*
- * Bare-bones version of perf_cpu_notifier(), which doesn't invoke the
- * callback for already online CPUs.
- */
-#define __perf_cpu_notifier(fn) \
-do { \
- static struct notifier_block fn##_nb = \
- { .notifier_call = fn, .priority = CPU_PRI_PERF }; \
- \
- __register_cpu_notifier(&fn##_nb); \
-} while (0)
-
struct perf_pmu_events_attr {
struct device_attribute attr;
u64 id;
\
 
 \ /
  Last update: 2016-07-19 09:41    [W:0.381 / U:0.584 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site