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b5199515c2
The clocksource watchdog code is interruptible and it has been observed that this can trigger false positives which disable the TSC. The reason is that an interrupt storm or a long running interrupt handler between the read of the watchdog source and the read of the TSC brings the two far enough apart that the delta is larger than the unstable treshold. Move both reads into a short interrupt disabled region to avoid that. Reported-and-tested-by: Vernon Mauery <vernux@us.ibm.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: stable@kernel.org |
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.. | ||
alarmtimer.c | ||
clockevents.c | ||
clocksource.c | ||
jiffies.c | ||
Kconfig | ||
Makefile | ||
ntp.c | ||
posix-clock.c | ||
tick-broadcast.c | ||
tick-common.c | ||
tick-internal.h | ||
tick-oneshot.c | ||
tick-sched.c | ||
timecompare.c | ||
timeconv.c | ||
timekeeping.c | ||
timer_list.c | ||
timer_stats.c |