Re: [net-next, v6, 6/7] net-sysfs: Add interface for Rx queue(s) map per Tx queue

2018-07-19 Thread Peter Zijlstra
On Wed, Jul 18, 2018 at 11:22:36AM -0700, Andrei Vagin wrote: > > > [1.085679] lock(cpu_hotplug_lock.rw_sem); > > > [1.085753] lock(cpu_hotplug_lock.rw_sem); > > > [1.085828] > > > [1.085828] *** DEADLOCK *** > Peter and Ingo, maybe you could explain why it isn't safe to take

Re: [net-next, v6, 6/7] net-sysfs: Add interface for Rx queue(s) map per Tx queue

2018-07-18 Thread Stephen Hemminger
On Wed, 18 Jul 2018 11:22:36 -0700 Andrei Vagin wrote: > On Tue, Jul 10, 2018 at 07:28:49PM -0700, Nambiar, Amritha wrote: > > On 7/4/2018 12:20 AM, Andrei Vagin wrote: > > > Hello Amritha, > > > > > > I see a following warning on 4.18.0-rc3-next-20180703. > > > It looks like a problem is in t

Re: [net-next, v6, 6/7] net-sysfs: Add interface for Rx queue(s) map per Tx queue

2018-07-18 Thread Andrei Vagin
On Tue, Jul 10, 2018 at 07:28:49PM -0700, Nambiar, Amritha wrote: > On 7/4/2018 12:20 AM, Andrei Vagin wrote: > > Hello Amritha, > > > > I see a following warning on 4.18.0-rc3-next-20180703. > > It looks like a problem is in this series. > > > > [1.084722] ===

Re: [net-next, v6, 6/7] net-sysfs: Add interface for Rx queue(s) map per Tx queue

2018-07-10 Thread Nambiar, Amritha
On 7/4/2018 12:20 AM, Andrei Vagin wrote: > Hello Amritha, > > I see a following warning on 4.18.0-rc3-next-20180703. > It looks like a problem is in this series. > > [1.084722] > [1.084797] WARNING: possible recursive locking detected > [1

Re: [net-next, v6, 6/7] net-sysfs: Add interface for Rx queue(s) map per Tx queue

2018-07-04 Thread Andrei Vagin
Hello Amritha, I see a following warning on 4.18.0-rc3-next-20180703. It looks like a problem is in this series. [1.084722] [1.084797] WARNING: possible recursive locking detected [1.084872] 4.18.0-rc3-next-20180703+ #1 Not tainted [1.0