Re: [PATCH] trace/irq: fix WARNING in check_flags while CONFIG_TRACE_IRQFLAGS opened

2016-02-22 Thread Peter Zijlstra
On Mon, Feb 22, 2016 at 06:06:45PM +0800, Wang Yufen wrote: > if CONFIG_TRACE_IRQFLAGS opened, we got that warning: > [ 214.078880] [ cut here ] > > [ 214.083521] WARNING: CPU: 4 PID: 1 at kernel/locking/lockdep.c:3557 > check_flags.part.40+0x1c0/0x1d0() I'm not entirely

[PATCH] trace/irq: fix WARNING in check_flags while CONFIG_TRACE_IRQFLAGS opened

2016-02-22 Thread Wang Yufen
if CONFIG_TRACE_IRQFLAGS opened, we got that warning: [ 214.078880] [ cut here ] [ 214.083521] WARNING: CPU: 4 PID: 1 at kernel/locking/lockdep.c:3557 check_flags.part.40+0x1c0/0x1d0() [ 214.092778] DEBUG_LOCKS_WARN_ON(current->hardirqs_enabled) [ 214.