posix_timers: Fix pre-condition to stop the tick on full dynticks
authorFrederic Weisbecker <fweisbec@gmail.com>
Sun, 21 Apr 2013 18:28:38 +0000 (20:28 +0200)
committerFrederic Weisbecker <fweisbec@gmail.com>
Mon, 22 Apr 2013 17:59:25 +0000 (19:59 +0200)
commit6ac29178b4fe8e7c0139375008f014ceb466039d
tree2887dc446038e529d9e168555c9328655f43fb5b
parenta166fcf04d848ffa09f0e831805553089f190cf4
posix_timers: Fix pre-condition to stop the tick on full dynticks

The test that checks if a CPU can stop its tick from posix CPU
timers angle was mistakenly inverted.

What we want is to prevent the tick from being stopped as long
as the current CPU's task runs a posix CPU timer.

Fix this.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Chris Metcalf <cmetcalf@tilera.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Geoff Levand <geoff@infradead.org>
Cc: Gilad Ben Yossef <gilad@benyossef.com>
Cc: Hakan Akkan <hakanakkan@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Kevin Hilman <khilman@linaro.org>
Cc: Li Zhong <zhong@linux.vnet.ibm.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Paul Gortmaker <paul.gortmaker@windriver.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
kernel/posix-cpu-timers.c