Re: [PATCH v2 09/30] cxlflash: Fix to stop interrupt processing on remove

2015-09-21 Thread Matthew R. Ochs
> On Sep 21, 2015, at 6:33 AM, Tomas Henzl wrote: > On 19.9.2015 01:26, Matthew R. Ochs wrote: >>> On Sep 18, 2015, at 6:59 AM, Tomas Henzl wrote: >>> On 17.9.2015 19:16, Matthew R. Ochs wrote: > On Sep 17, 2015, at 7:38 AM, Tomas Henzl wrote: > > On 16.9.2015 18:53, Matthew R. Ochs

Re: [PATCH v2 09/30] cxlflash: Fix to stop interrupt processing on remove

2015-09-21 Thread Tomas Henzl
On 19.9.2015 01:26, Matthew R. Ochs wrote: >> On Sep 18, 2015, at 6:59 AM, Tomas Henzl wrote: >> On 17.9.2015 19:16, Matthew R. Ochs wrote: On Sep 17, 2015, at 7:38 AM, Tomas Henzl wrote: On 16.9.2015 18:53, Matthew R. Ochs wrote: > Interrupt processing can run in parallel to a

Re: [PATCH v2 09/30] cxlflash: Fix to stop interrupt processing on remove

2015-09-18 Thread Matthew R. Ochs
> On Sep 18, 2015, at 6:59 AM, Tomas Henzl wrote: > On 17.9.2015 19:16, Matthew R. Ochs wrote: >>> On Sep 17, 2015, at 7:38 AM, Tomas Henzl wrote: >>> >>> On 16.9.2015 18:53, Matthew R. Ochs wrote: Interrupt processing can run in parallel to a remove operation. This can lead to a condi

Re: [PATCH v2 09/30] cxlflash: Fix to stop interrupt processing on remove

2015-09-18 Thread Tomas Henzl
On 17.9.2015 19:16, Matthew R. Ochs wrote: >> On Sep 17, 2015, at 7:38 AM, Tomas Henzl wrote: >> >> On 16.9.2015 18:53, Matthew R. Ochs wrote: >>> Interrupt processing can run in parallel to a remove operation. This >>> can lead to a condition where the interrupt handler is processing with >>> mem

Re: [PATCH v2 09/30] cxlflash: Fix to stop interrupt processing on remove

2015-09-17 Thread Matthew R. Ochs
> On Sep 17, 2015, at 7:38 AM, Tomas Henzl wrote: > > On 16.9.2015 18:53, Matthew R. Ochs wrote: >> Interrupt processing can run in parallel to a remove operation. This >> can lead to a condition where the interrupt handler is processing with >> memory that has been freed. >> >> To avoid process

Re: [PATCH v2 09/30] cxlflash: Fix to stop interrupt processing on remove

2015-09-17 Thread Matthew R. Ochs
> On Sep 17, 2015, at 6:58 AM, David Laight wrote: > > From: Linuxppc-dev Matthew R. Ochs >> Sent: 16 September 2015 22:28 >> Interrupt processing can run in parallel to a remove operation. This >> can lead to a condition where the interrupt handler is processing with >> memory that has been free

Re: [PATCH v2 09/30] cxlflash: Fix to stop interrupt processing on remove

2015-09-17 Thread Tomas Henzl
On 16.9.2015 18:53, Matthew R. Ochs wrote: > Interrupt processing can run in parallel to a remove operation. This > can lead to a condition where the interrupt handler is processing with > memory that has been freed. > > To avoid processing an interrupt while memory may be yanked, check for >

RE: [PATCH v2 09/30] cxlflash: Fix to stop interrupt processing on remove

2015-09-17 Thread David Laight
From: Linuxppc-dev Matthew R. Ochs > Sent: 16 September 2015 22:28 > Interrupt processing can run in parallel to a remove operation. This > can lead to a condition where the interrupt handler is processing with > memory that has been freed. > > To avoid processing an interrupt while memory may be