Re: [PATCH v1] MIPS: perf: Mark pmu interupt IRQF_NO_THREAD

2014-08-07 Thread David Daney
On 08/07/2014 04:48 AM, Ralf Baechle wrote: On Tue, Aug 05, 2014 at 01:37:47PM +0800, wei.y...@windriver.com wrote: From: Yang Wei In RT kernel, I ran into the following calltrace, so PMU interrupts cannot be threaded in_atomic(): 1, irqs_disabled(): 1, pid: 0, name: swapper/0 INFO: lockdep

Re: [PATCH v1] MIPS: perf: Mark pmu interupt IRQF_NO_THREAD

2014-08-07 Thread Ralf Baechle
On Tue, Aug 05, 2014 at 01:37:47PM +0800, wei.y...@windriver.com wrote: > From: Yang Wei > > In RT kernel, I ran into the following calltrace, so PMU interrupts cannot > be threaded > > in_atomic(): 1, irqs_disabled(): 1, pid: 0, name: swapper/0 > INFO: lockdep is turned off. > Call Trace: > []

[PATCH v1] MIPS: perf: Mark pmu interupt IRQF_NO_THREAD

2014-08-04 Thread Wei.Yang
From: Yang Wei In RT kernel, I ran into the following calltrace, so PMU interrupts cannot be threaded in_atomic(): 1, irqs_disabled(): 1, pid: 0, name: swapper/0 INFO: lockdep is turned off. Call Trace: [] dump_stack+0x1c/0x50 [] __might_sleep+0x13c/0x148 [] rt_spin_lock+0x3c/0xb0 [] __wake_up+0