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(parent: 2254a5d) | patch
clocksource/drivers/fsl_ftm_timer: Prevent ftrace recursion
authorJisheng Zhang <jszhang@marvell.com>
Tue, 20 Oct 2015 08:02:40 +0000 (16:02 +0800)
committerDaniel Lezcano <daniel.lezcano@linaro.org>
Tue, 27 Oct 2015 00:34:07 +0000 (01:34 +0100)
commit76ff6c22a947026c2f06dcdce062e1ddfe3e32b6
treeb28a06dc5355d944329f3f43837289d0505a5cfctree | snapshot
parent2254a5d3e914d5cee4843628921a1fc130e84298commit | diff
clocksource/drivers/fsl_ftm_timer: Prevent ftrace recursion

Having a traceable function in the sched_clock() path leads to a recursion
within ftrace and a kernel crash.

We should not trace the ftm_read_sched_clock() function.

Fix this by adding the notrace attribute to this function.

Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
drivers/clocksource/fsl_ftm_timer.c diff | blob | history
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