Re: [PATCH v2 workqueue/for-4.14-fixes] workqueue: replace pool->manager_arb mutex with a flag

2017-10-10 Thread Tejun Heo
On Mon, Oct 09, 2017 at 08:04:13AM -0700, Tejun Heo wrote: > Josef reported a HARDIRQ-safe -> HARDIRQ-unsafe lock order detected by > lockdep: > > [ 1270.472259] WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected > [ 1270.472783] 4.14.0-rc1-xfstests-12888-g76833e8 #110 Not tainted > [

Re: [PATCH v2 workqueue/for-4.14-fixes] workqueue: replace pool->manager_arb mutex with a flag

2017-10-10 Thread Lai Jiangshan
On Mon, Oct 9, 2017 at 11:04 PM, Tejun Heo wrote: > Josef reported a HARDIRQ-safe -> HARDIRQ-unsafe lock order detected by > lockdep: > > [ 1270.472259] WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected > [ 1270.472783] 4.14.0-rc1-xfstests-12888-g76833e8 #110 Not tainted > [ 1270.4732

[PATCH v2 workqueue/for-4.14-fixes] workqueue: replace pool->manager_arb mutex with a flag

2017-10-09 Thread Tejun Heo
Josef reported a HARDIRQ-safe -> HARDIRQ-unsafe lock order detected by lockdep: [ 1270.472259] WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected [ 1270.472783] 4.14.0-rc1-xfstests-12888-g76833e8 #110 Not tainted [ 1270.473240] - [ 1