From mboxrd@z Thu Jan 1 00:00:00 1970 From: Steven Rostedt Subject: [PATCH RT 12/14] leds: trigger: disable CPU trigger on -RT Date: Fri, 28 Feb 2014 22:52:21 -0500 Message-ID: <20140301035237.569667287@goodmis.org> References: <20140301035209.031474616@goodmis.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Cc: Thomas Gleixner , Carsten Emde , Sebastian Andrzej Siewior , John Kacur , Paul Gortmaker , To: linux-kernel@vger.kernel.org, linux-rt-users Return-path: Received: from cdptpa-outbound-snat.email.rr.com ([107.14.166.232]:12241 "EHLO cdptpa-oedge-vip.email.rr.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753081AbaCADwt (ORCPT ); Fri, 28 Feb 2014 22:52:49 -0500 Content-Disposition: inline; filename=0012-leds-trigger-disable-CPU-trigger-on-RT.patch Sender: linux-rt-users-owner@vger.kernel.org List-ID: 3.10.32-rt31-rc2 stable review patch. If anyone has any objections, please let me know. ------------------ From: Sebastian Andrzej Siewior 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) Cc: stable-rt@vger.kernel.org Signed-off-by: Sebastian Andrzej Siewior Signed-off-by: Steven Rostedt --- 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