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From: Olivier Langlois <olivier@olivierlanglois.net>
To: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Chris Metcalf <cmetcalf@tilera.com>,
	Christoph Lameter <cl@linux.com>,
	Geoff Levand <geoff@infradead.org>,
	Gilad Ben Yossef <gilad@benyossef.com>,
	Hakan Akkan <hakanakkan@gmail.com>,
	Kevin Hilman <khilman@linaro.org>,
	Li Zhong <zhong@linux.vnet.ibm.com>,
	Oleg Nesterov <oleg@redhat.com>,
	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
	Paul Gortmaker <paul.gortmaker@windriver.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH 2/3] posix_timers: Defer per process timer stop after timers processing
Date: Fri, 26 Apr 2013 02:21:13 -0400	[thread overview]
Message-ID: <1366957273.7911.36.camel@Wailaba2> (raw)
In-Reply-To: <1366950479.7911.22.camel@Wailaba2>


> 
> 
> IMO, a more likely scenario, posix_cpu_timer_schedule() will be called
> from dequeue_signal() which will be from from a different context than
> the interrupt context.
> 
I'll be even more explicit. Inside dequeue_signal(),

do_schedule_next_timer() is called which then call
posix_cpu_timer_schedule().




  reply	other threads:[~2013-04-26  6:21 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-04-18 17:23 [RFC GIT PULL] nohz: Posix cpu timers handling on full dynticks Frederic Weisbecker
2013-04-18 17:23 ` [PATCH 1/3] nohz: New APIs to re-evaluate the tick on full dynticks CPUs Frederic Weisbecker
2013-04-18 17:23 ` [PATCH 2/3] posix_timers: Defer per process timer stop after timers processing Frederic Weisbecker
2013-04-19  4:30   ` Olivier Langlois
2013-04-19 12:47     ` Frederic Weisbecker
2013-04-26  4:27       ` Olivier Langlois
2013-04-26  6:21         ` Olivier Langlois [this message]
2013-04-30 12:54         ` Frederic Weisbecker
2013-04-30 17:51           ` Olivier Langlois
2013-05-06 23:03             ` Frederic Weisbecker
2013-04-18 17:23 ` [PATCH 3/3] posix_timers: Kick full dynticks CPUs when a posix cpu timer is armed Frederic Weisbecker
2013-04-19 12:51 ` [RFC GIT PULL] nohz: Posix cpu timers handling on full dynticks Frederic Weisbecker

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