Re: [PATCH v3 3/6] powerpc/powernv: use one M64 BAR in Single PE mode for one VF BAR

2015-08-15 Thread Alexey Kardashevskiy
On 08/14/2015 01:54 PM, Wei Yang wrote: On Fri, Aug 14, 2015 at 10:52:21AM +1000, Gavin Shan wrote: On Thu, Aug 13, 2015 at 10:11:08PM +0800, Wei Yang wrote: In current implementation, when VF BAR is bigger than 64MB, it uses 4 M64 BARs in Single PE mode to cover the number of VFs required to

[PATCH v3 3/6] powerpc/powernv: use one M64 BAR in Single PE mode for one VF BAR

2015-08-13 Thread Wei Yang
In current implementation, when VF BAR is bigger than 64MB, it uses 4 M64 BARs 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 the same group. This patch changes the design by using one

Re: [PATCH v3 3/6] powerpc/powernv: use one M64 BAR in Single PE mode for one VF BAR

2015-08-13 Thread Gavin Shan
On Thu, Aug 13, 2015 at 10:11:08PM +0800, Wei Yang wrote: In current implementation, when VF BAR is bigger than 64MB, it uses 4 M64 BARs 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

Re: [PATCH v3 3/6] powerpc/powernv: use one M64 BAR in Single PE mode for one VF BAR

2015-08-13 Thread Wei Yang
On Fri, Aug 14, 2015 at 10:52:21AM +1000, Gavin Shan wrote: On Thu, Aug 13, 2015 at 10:11:08PM +0800, Wei Yang wrote: In current implementation, when VF BAR is bigger than 64MB, it uses 4 M64 BARs in Single PE mode to cover the number of VFs required to be enabled. By doing so, several VFs would