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author | Jisheng Zhang <jszhang@marvell.com> | 2016-09-22 09:56:21 +0200 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2016-09-22 16:49:19 +0200 |
commit | 3aa601492babdf3acdec89e5aa9c44e1a357a4d8 (patch) | |
tree | dfa01762981d88df47f2459fba13f5713e527f81 /drivers/rtc | |
parent | clocksource/mips-gic-timer: Stop checking cpu_has_counter (diff) | |
download | linux-3aa601492babdf3acdec89e5aa9c44e1a357a4d8.tar.xz linux-3aa601492babdf3acdec89e5aa9c44e1a357a4d8.zip |
clocksource/drivers/ti-32k: Prevent ftrace recursion
Currently ti-32k can be used as a scheduler clock. We properly marked
omap_32k_read_sched_clock() as notrace but we then call another
function ti_32k_read_cycles() that _wasn't_ notrace.
Having a traceable function in the sched_clock() path leads to a
recursion within ftrace and a kernel crash.
Fix this by adding notrace attribute to the ti_32k_read_cycles()
function.
Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
Cc: daniel.lezcano@linaro.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/20160922075621.3725-1-jszhang@marvell.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/rtc')
0 files changed, 0 insertions, 0 deletions