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Message-ID: <153588048102.6192.18075264253310979408.tglx@nanos.tec.linutronix.de>
Date: Sun, 02 Sep 2018 11:28:54 +0200
From: Thomas Gleixner <tglx@...utronix.de>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...nel.org>
Subject: [GIT pull] core updates for 4.19
Linus,
please pull the latest core-urgent-for-linus git tree from:
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git core-urgent-for-linus
A small set of updates for core code:
- Prevent tracing in functions which are called from trace patching via
stop_machine() to prevent executing half patched function trace entries.
- Remove old GCC workarounds
- Remove pointless includes of notifier.h
Thanks,
tglx
------------------>
Masahiro Yamada (1):
objtool: Remove workaround for unreachable warnings from old GCC
Mukesh Ojha (1):
notifier: Remove notifier header file wherever not used
Vincent Whitchurch (1):
watchdog: Mark watchdog touch functions as notrace
fs/buffer.c | 1 -
kernel/printk/printk.c | 1 -
kernel/watchdog.c | 4 ++--
kernel/watchdog_hld.c | 2 +-
kernel/workqueue.c | 2 +-
lib/percpu_counter.c | 1 -
mm/page-writeback.c | 1 -
mm/page_alloc.c | 1 -
mm/slub.c | 1 -
net/core/dev.c | 1 -
scripts/Makefile.build | 2 --
11 files changed, 4 insertions(+), 13 deletions(-)
diff --git a/fs/buffer.c b/fs/buffer.c
index 4cc679d5bf58..6f1ae3ac9789 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -39,7 +39,6 @@
#include <linux/buffer_head.h>
#include <linux/task_io_accounting_ops.h>
#include <linux/bio.h>
-#include <linux/notifier.h>
#include <linux/cpu.h>
#include <linux/bitops.h>
#include <linux/mpage.h>
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index 924e37fb1620..fd6f8ed28e01 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -38,7 +38,6 @@
#include <linux/kmsg_dump.h>
#include <linux/syslog.h>
#include <linux/cpu.h>
-#include <linux/notifier.h>
#include <linux/rculist.h>
#include <linux/poll.h>
#include <linux/irq_work.h>
diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index 5470dce212c0..977918d5d350 100644
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -261,7 +261,7 @@ static void __touch_watchdog(void)
* entering idle state. This should only be used for scheduler events.
* Use touch_softlockup_watchdog() for everything else.
*/
-void touch_softlockup_watchdog_sched(void)
+notrace void touch_softlockup_watchdog_sched(void)
{
/*
* Preemption can be enabled. It doesn't matter which CPU's timestamp
@@ -270,7 +270,7 @@ void touch_softlockup_watchdog_sched(void)
raw_cpu_write(watchdog_touch_ts, 0);
}
-void touch_softlockup_watchdog(void)
+notrace void touch_softlockup_watchdog(void)
{
touch_softlockup_watchdog_sched();
wq_watchdog_touch(raw_smp_processor_id());
diff --git a/kernel/watchdog_hld.c b/kernel/watchdog_hld.c
index 1f7020d65d0a..71381168dede 100644
--- a/kernel/watchdog_hld.c
+++ b/kernel/watchdog_hld.c
@@ -29,7 +29,7 @@ static struct cpumask dead_events_mask;
static unsigned long hardlockup_allcpu_dumped;
static atomic_t watchdog_cpus = ATOMIC_INIT(0);
-void arch_touch_nmi_watchdog(void)
+notrace void arch_touch_nmi_watchdog(void)
{
/*
* Using __raw here because some code paths have
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 60e80198c3df..0280deac392e 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -5574,7 +5574,7 @@ static void wq_watchdog_timer_fn(struct timer_list *unused)
mod_timer(&wq_watchdog_timer, jiffies + thresh);
}
-void wq_watchdog_touch(int cpu)
+notrace void wq_watchdog_touch(int cpu)
{
if (cpu >= 0)
per_cpu(wq_watchdog_touched_cpu, cpu) = jiffies;
diff --git a/lib/percpu_counter.c b/lib/percpu_counter.c
index c72577e472f2..a66595ba5543 100644
--- a/lib/percpu_counter.c
+++ b/lib/percpu_counter.c
@@ -4,7 +4,6 @@
*/
#include <linux/percpu_counter.h>
-#include <linux/notifier.h>
#include <linux/mutex.h>
#include <linux/init.h>
#include <linux/cpu.h>
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 6551d3b0dc30..84ae9bf5858a 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -27,7 +27,6 @@
#include <linux/mpage.h>
#include <linux/rmap.h>
#include <linux/percpu.h>
-#include <linux/notifier.h>
#include <linux/smp.h>
#include <linux/sysctl.h>
#include <linux/cpu.h>
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index e75865d58ba7..05e983f42316 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -32,7 +32,6 @@
#include <linux/slab.h>
#include <linux/ratelimit.h>
#include <linux/oom.h>
-#include <linux/notifier.h>
#include <linux/topology.h>
#include <linux/sysctl.h>
#include <linux/cpu.h>
diff --git a/mm/slub.c b/mm/slub.c
index ce2b9e5cea77..8da34a8af53d 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -19,7 +19,6 @@
#include <linux/slab.h>
#include "slab.h"
#include <linux/proc_fs.h>
-#include <linux/notifier.h>
#include <linux/seq_file.h>
#include <linux/kasan.h>
#include <linux/cpu.h>
diff --git a/net/core/dev.c b/net/core/dev.c
index 325fc5088370..82114e1111e6 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -93,7 +93,6 @@
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/ethtool.h>
-#include <linux/notifier.h>
#include <linux/skbuff.h>
#include <linux/bpf.h>
#include <linux/bpf_trace.h>
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 1c48572223d1..5a2d1c9578a0 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -246,8 +246,6 @@ objtool_args += --no-fp
endif
ifdef CONFIG_GCOV_KERNEL
objtool_args += --no-unreachable
-else
-objtool_args += $(call cc-ifversion, -lt, 0405, --no-unreachable)
endif
ifdef CONFIG_RETPOLINE
ifneq ($(RETPOLINE_CFLAGS),)
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