Re: [PATCH 04/10] powerpc/eeh: Backends to get/set settings

2013-06-25 Thread Gavin Shan
On Tue, Jun 25, 2013 at 04:07:24PM +1000, Benjamin Herrenschmidt wrote: >On Tue, 2013-06-25 at 13:55 +0800, Gavin Shan wrote: >> When the PHB gets fenced, 0xFF's returns from PCI config space and >> MMIO space in the hardware. The operations writting to them should >> be dropped. The patch introduc

Re: [PATCH 04/10] powerpc/eeh: Backends to get/set settings

2013-06-24 Thread Benjamin Herrenschmidt
On Tue, 2013-06-25 at 13:55 +0800, Gavin Shan wrote: > When the PHB gets fenced, 0xFF's returns from PCI config space and > MMIO space in the hardware. The operations writting to them should > be dropped. The patch introduce backends allow to set/get flags that > indicate the access to PCI-CFG and

[PATCH 04/10] powerpc/eeh: Backends to get/set settings

2013-06-24 Thread Gavin Shan
When the PHB gets fenced, 0xFF's returns from PCI config space and MMIO space in the hardware. The operations writting to them should be dropped. The patch introduce backends allow to set/get flags that indicate the access to PCI-CFG and MMIO should be blocked. Signed-off-by: Gavin Shan --- arch