Re: [PATCH] powerpc/powernv: use one M64 BAR in Single PE mode for one VF BAR

2015-07-30 Thread Wei Yang
On Fri, Jul 31, 2015 at 10:13:26AM +1000, Gavin Shan wrote: >On Thu, Jul 30, 2015 at 01:43:59PM +0800, Wei Yang wrote: >>On Thu, Jul 30, 2015 at 11:15:01AM +1000, Gavin Shan wrote: >>>On Wed, Jul 29, 2015 at 03:22:07PM +0800, Wei Yang wrote: In current implementation, when VF BAR is bigger than

Re: [PATCH] powerpc/powernv: use one M64 BAR in Single PE mode for one VF BAR

2015-07-30 Thread Gavin Shan
On Thu, Jul 30, 2015 at 01:43:59PM +0800, Wei Yang wrote: >On Thu, Jul 30, 2015 at 11:15:01AM +1000, Gavin Shan wrote: >>On Wed, Jul 29, 2015 at 03:22:07PM +0800, Wei Yang wrote: >>>In current implementation, when VF BAR is bigger than 64MB, it uses 4 M64 >>>BAR in Single PE mode to cover the numbe

Re: [PATCH] powerpc/powernv: use one M64 BAR in Single PE mode for one VF BAR

2015-07-29 Thread Wei Yang
On Thu, Jul 30, 2015 at 11:15:01AM +1000, Gavin Shan wrote: >On Wed, Jul 29, 2015 at 03:22:07PM +0800, Wei Yang wrote: >>In current implementation, when VF BAR is bigger than 64MB, it uses 4 M64 >>BAR in Single PE mode to cover the number of VFs required to be enabled. >>By doing so, several VFs wo

Re: [PATCH] powerpc/powernv: use one M64 BAR in Single PE mode for one VF BAR

2015-07-29 Thread Gavin Shan
On Wed, Jul 29, 2015 at 03:22:07PM +0800, Wei Yang wrote: >In current implementation, when VF BAR is bigger than 64MB, it uses 4 M64 >BAR in Single PE mode to cover the number of VFs required to be enabled. >By doing so, several VFs would be in one VF Group and leads to interference >between VFs in