Re: [PATCH] pstore/core: drop cmpxchg based updates

2016-09-08 Thread Rabin Vincent
On Wed, Aug 24, 2016 at 03:09:35PM +0200, Sebastian Andrzej Siewior wrote: > I have here a FPGA behind PCIe which exports SRAM which I use for > pstore. Now it seems that the FPGA no longer supports cmpxchg based > updates and writes back 0xff…ff and returns the same. This leads to > crash during

Re: [PATCH] pstore/core: drop cmpxchg based updates

2016-09-08 Thread Rabin Vincent
On Wed, Aug 24, 2016 at 03:09:35PM +0200, Sebastian Andrzej Siewior wrote: > I have here a FPGA behind PCIe which exports SRAM which I use for > pstore. Now it seems that the FPGA no longer supports cmpxchg based > updates and writes back 0xff…ff and returns the same. This leads to > crash during

[PATCH] pstore/core: drop cmpxchg based updates

2016-08-24 Thread Sebastian Andrzej Siewior
I have here a FPGA behind PCIe which exports SRAM which I use for pstore. Now it seems that the FPGA no longer supports cmpxchg based updates and writes back 0xff…ff and returns the same. This leads to crash during crash rendering pstore useless. Since I doubt that there is much benefit from

[PATCH] pstore/core: drop cmpxchg based updates

2016-08-24 Thread Sebastian Andrzej Siewior
I have here a FPGA behind PCIe which exports SRAM which I use for pstore. Now it seems that the FPGA no longer supports cmpxchg based updates and writes back 0xff…ff and returns the same. This leads to crash during crash rendering pstore useless. Since I doubt that there is much benefit from