kernel_optimize_test/kernel/time
Linus Torvalds 558e8e27e7 Revert "nohz: Fix collision between tick and other hrtimers"
This reverts commit 24b91e360e and commit
7bdb59f1ad ("tick/nohz: Fix possible missing clock reprog after tick
soft restart") that depends on it,

Pavel reports that it causes occasional boot hangs for him that seem to
depend on just how the machine was booted.  In particular, his machine
hangs at around the PCI fixups of the EHCI USB host controller, but only
hangs from cold boot, not from a warm boot.

Thomas Gleixner suspecs it's a CPU hotplug interaction, particularly
since Pavel also saw suspend/resume issues that seem to be related.
We're reverting for now while trying to figure out the root cause.

Reported-bisected-and-tested-by: Pavel Machek <pavel@ucw.cz>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Wanpeng Li <wanpeng.li@hotmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@kernel.org  # reverted commits were marked for stable
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2017-02-16 12:19:18 -08:00
..
alarmtimer.c ktime: Cleanup ktime_set() usage 2016-12-25 17:21:22 +01:00
clockevents.c ktime: Get rid of the union 2016-12-25 17:21:22 +01:00
clocksource.c clocksource: Use a plain u64 instead of cycle_t 2016-12-25 11:04:12 +01:00
hrtimer.c ktime: Cleanup ktime_set() usage 2016-12-25 17:21:22 +01:00
itimer.c ktime: Get rid of the union 2016-12-25 17:21:22 +01:00
jiffies.c clocksource: Use a plain u64 instead of cycle_t 2016-12-25 11:04:12 +01:00
Kconfig
Makefile posix-timers: Make them configurable 2016-11-16 09:26:35 +01:00
ntp_internal.h
ntp.c ktime: Get rid of the union 2016-12-25 17:21:22 +01:00
posix-clock.c
posix-cpu-timers.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
posix-stubs.c posix-timers: Make them configurable 2016-11-16 09:26:35 +01:00
posix-timers.c ktime: Cleanup ktime_set() usage 2016-12-25 17:21:22 +01:00
sched_clock.c
test_udelay.c time: Avoid timespec in udelay_test 2016-06-20 12:47:26 -07:00
tick-broadcast-hrtimer.c ktime: Get rid of the union 2016-12-25 17:21:22 +01:00
tick-broadcast.c ktime: Get rid of the union 2016-12-25 17:21:22 +01:00
tick-common.c ktime: Cleanup ktime_set() usage 2016-12-25 17:21:22 +01:00
tick-internal.h timers: Forward the wheel clock whenever possible 2016-07-07 10:35:11 +02:00
tick-oneshot.c ktime: Get rid of the union 2016-12-25 17:21:22 +01:00
tick-sched.c Revert "nohz: Fix collision between tick and other hrtimers" 2017-02-16 12:19:18 -08:00
tick-sched.h Revert "nohz: Fix collision between tick and other hrtimers" 2017-02-16 12:19:18 -08:00
time.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
timeconst.bc
timeconv.c time: Add time64_to_tm() 2016-06-20 12:47:15 -07:00
timecounter.c clocksource: Use a plain u64 instead of cycle_t 2016-12-25 11:04:12 +01:00
timekeeping_debug.c timekeeping: Prints the amounts of time spent during suspend 2016-08-31 14:43:34 -07:00
timekeeping_internal.h clocksource: Use a plain u64 instead of cycle_t 2016-12-25 11:04:12 +01:00
timekeeping.c ktime: Get rid of the union 2016-12-25 17:21:22 +01:00
timekeeping.h
timer_list.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
timer_stats.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
timer.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00