[PATCH] leds: trigger: disable CPU trigger on -RT
as it triggers: |CPU: 0 PID: 0 Comm: swapper Not tainted 3.12.8-rt10 #141 |[] (unwind_backtrace+0x0/0xf8) from [] (show_stack+0x1c/0x20) |[] (show_stack+0x1c/0x20) from [] (dump_stack+0x20/0x2c) |[] (dump_stack+0x20/0x2c) from [] (__might_sleep+0x13c/0x170) |[] (__might_sleep+0x13c/0x170) from [] (__rt_spin_lock+0x28/0x38) |[] (__rt_spin_lock+0x28/0x38) from [] (rt_read_lock+0x68/0x7c) |[] (rt_read_lock+0x68/0x7c) from [] (led_trigger_event+0x2c/0x5c) |[] (led_trigger_event+0x2c/0x5c) from [] (ledtrig_cpu+0x54/0x5c) |[] (ledtrig_cpu+0x54/0x5c) from [] (arch_cpu_idle_exit+0x18/0x1c) |[] (arch_cpu_idle_exit+0x18/0x1c) from [] (cpu_startup_entry+0xa8/0x234) |[] (cpu_startup_entry+0xa8/0x234) from [] (rest_init+0xb8/0xe0) |[] (rest_init+0xb8/0xe0) from [] (start_kernel+0x2c4/0x380) Signed-off-by: Sebastian Andrzej Siewior --- drivers/leds/trigger/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/leds/trigger/Kconfig b/drivers/leds/trigger/Kconfig index 49794b4..3d7245d 100644 --- a/drivers/leds/trigger/Kconfig +++ b/drivers/leds/trigger/Kconfig @@ -61,7 +61,7 @@ config LEDS_TRIGGER_BACKLIGHT config LEDS_TRIGGER_CPU bool "LED CPU Trigger" - depends on LEDS_TRIGGERS + depends on LEDS_TRIGGERS && !PREEMPT_RT_BASE help This allows LEDs to be controlled by active CPUs. This shows the active CPUs across an array of LEDs so you can see which -- 1.8.5.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
[PATCH] leds: trigger: disable CPU trigger on -RT
as it triggers: |CPU: 0 PID: 0 Comm: swapper Not tainted 3.12.8-rt10 #141 |[c0014aa4] (unwind_backtrace+0x0/0xf8) from [c0012788] (show_stack+0x1c/0x20) |[c0012788] (show_stack+0x1c/0x20) from [c043c8dc] (dump_stack+0x20/0x2c) |[c043c8dc] (dump_stack+0x20/0x2c) from [c004c5e8] (__might_sleep+0x13c/0x170) |[c004c5e8] (__might_sleep+0x13c/0x170) from [c043f270] (__rt_spin_lock+0x28/0x38) |[c043f270] (__rt_spin_lock+0x28/0x38) from [c043fa00] (rt_read_lock+0x68/0x7c) |[c043fa00] (rt_read_lock+0x68/0x7c) from [c036cf74] (led_trigger_event+0x2c/0x5c) |[c036cf74] (led_trigger_event+0x2c/0x5c) from [c036e0bc] (ledtrig_cpu+0x54/0x5c) |[c036e0bc] (ledtrig_cpu+0x54/0x5c) from [c000ffd8] (arch_cpu_idle_exit+0x18/0x1c) |[c000ffd8] (arch_cpu_idle_exit+0x18/0x1c) from [c00590b8] (cpu_startup_entry+0xa8/0x234) |[c00590b8] (cpu_startup_entry+0xa8/0x234) from [c043b2cc] (rest_init+0xb8/0xe0) |[c043b2cc] (rest_init+0xb8/0xe0) from [c061ebe0] (start_kernel+0x2c4/0x380) Signed-off-by: Sebastian Andrzej Siewior bige...@linutronix.de --- drivers/leds/trigger/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/leds/trigger/Kconfig b/drivers/leds/trigger/Kconfig index 49794b4..3d7245d 100644 --- a/drivers/leds/trigger/Kconfig +++ b/drivers/leds/trigger/Kconfig @@ -61,7 +61,7 @@ config LEDS_TRIGGER_BACKLIGHT config LEDS_TRIGGER_CPU bool LED CPU Trigger - depends on LEDS_TRIGGERS + depends on LEDS_TRIGGERS !PREEMPT_RT_BASE help This allows LEDs to be controlled by active CPUs. This shows the active CPUs across an array of LEDs so you can see which -- 1.8.5.3 -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
