9624885e47
[ Upstream commit 719cc080c914045a6e35787bf4dc3ba91cfd3efb ] The timers are canceled from an preempt-notifier which is invoked with disabled preemption which is not allowed on PREEMPT_RT. The timer callback is short so in could be invoked in hard-IRQ context on -RT. Let the timer expire on hard-IRQ context even on -RT. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Marc Zyngier <maz@kernel.org> Tested-by: Julien Grall <julien.grall@arm.com> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>