Re: [PATCH 1/3] net: ethernet: ti: cpdma: fix lockup in cpdma_ctlr_destroy()

2016-07-28 Thread Grygorii Strashko
On 07/26/2016 11:54 PM, ivan.khoronzhuk wrote: > > > On 26.07.16 19:02, Grygorii Strashko wrote: >> On 07/23/2016 09:24 AM, Ivan Khoronzhuk wrote: >>> >>> >>> On 22.07.16 16:58, Grygorii Strashko wrote: Fix deadlock in cpdma_ctlr_destroy() which is triggered now on cpsw module removal:

Re: [PATCH 1/3] net: ethernet: ti: cpdma: fix lockup in cpdma_ctlr_destroy()

2016-07-26 Thread ivan.khoronzhuk
On 26.07.16 19:02, Grygorii Strashko wrote: On 07/23/2016 09:24 AM, Ivan Khoronzhuk wrote: On 22.07.16 16:58, Grygorii Strashko wrote: Fix deadlock in cpdma_ctlr_destroy() which is triggered now on cpsw module removal: cpsw_remove() - cpdma_ctlr_destroy() - spin_lock_irqsave(&ctlr->loc

Re: [PATCH 1/3] net: ethernet: ti: cpdma: fix lockup in cpdma_ctlr_destroy()

2016-07-26 Thread Grygorii Strashko
On 07/23/2016 09:24 AM, Ivan Khoronzhuk wrote: > > > On 22.07.16 16:58, Grygorii Strashko wrote: >> Fix deadlock in cpdma_ctlr_destroy() which is triggered now on >> cpsw module removal: >> cpsw_remove() >> - cpdma_ctlr_destroy() >>- spin_lock_irqsave(&ctlr->lock, flags) >>- cpdma_ctlr_

Re: [PATCH 1/3] net: ethernet: ti: cpdma: fix lockup in cpdma_ctlr_destroy()

2016-07-22 Thread Ivan Khoronzhuk
On 22.07.16 16:58, Grygorii Strashko wrote: Fix deadlock in cpdma_ctlr_destroy() which is triggered now on cpsw module removal: cpsw_remove() - cpdma_ctlr_destroy() - spin_lock_irqsave(&ctlr->lock, flags) - cpdma_ctlr_stop() - spin_lock_irqsave(&ctlr->lock, flags); <- deadlock -

Re: [PATCH 1/3] net: ethernet: ti: cpdma: fix lockup in cpdma_ctlr_destroy()

2016-07-22 Thread kbuild test robot
Hi, [auto build test WARNING on net-next/master] [also build test WARNING on v4.7-rc7 next-20160722] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Grygorii-Strashko/drivers-net-cpsw-fix-driver-

[PATCH 1/3] net: ethernet: ti: cpdma: fix lockup in cpdma_ctlr_destroy()

2016-07-22 Thread Grygorii Strashko
Fix deadlock in cpdma_ctlr_destroy() which is triggered now on cpsw module removal: cpsw_remove() - cpdma_ctlr_destroy() - spin_lock_irqsave(&ctlr->lock, flags) - cpdma_ctlr_stop() - spin_lock_irqsave(&ctlr->lock, flags); <- deadlock - cpdma_chan_destroy() - spin_lock_irqsave(&