Re: [PATCH 3/3] powerpc/powernv: Patch MSI EOI handler on P8

2013-04-22 Thread Gavin Shan
On Tue, Apr 23, 2013 at 09:34:16AM +1000, Michael Ellerman wrote: >On Mon, Apr 22, 2013 at 07:06:17PM +0800, Gavin Shan wrote: >> On Mon, Apr 22, 2013 at 12:56:37PM +1000, Michael Ellerman wrote: >> >On Mon, Apr 22, 2013 at 09:45:33AM +0800, Gavin Shan wrote: >> >> On Mon, Apr 22, 2013 at 09:34:36A

Re: [PATCH 3/3] powerpc/powernv: Patch MSI EOI handler on P8

2013-04-22 Thread Michael Ellerman
On Mon, Apr 22, 2013 at 07:06:17PM +0800, Gavin Shan wrote: > On Mon, Apr 22, 2013 at 12:56:37PM +1000, Michael Ellerman wrote: > >On Mon, Apr 22, 2013 at 09:45:33AM +0800, Gavin Shan wrote: > >> On Mon, Apr 22, 2013 at 09:34:36AM +1000, Michael Ellerman wrote: > >> >On Fri, Apr 19, 2013 at 05:32:4

Re: [PATCH 3/3] powerpc/powernv: Patch MSI EOI handler on P8

2013-04-22 Thread Gavin Shan
On Mon, Apr 22, 2013 at 12:56:37PM +1000, Michael Ellerman wrote: >On Mon, Apr 22, 2013 at 09:45:33AM +0800, Gavin Shan wrote: >> On Mon, Apr 22, 2013 at 09:34:36AM +1000, Michael Ellerman wrote: >> >On Fri, Apr 19, 2013 at 05:32:45PM +0800, Gavin Shan wrote: >> >> The EOI handler of MSI/MSI-X inte

Re: [PATCH 3/3] powerpc/powernv: Patch MSI EOI handler on P8

2013-04-21 Thread Michael Ellerman
On Mon, Apr 22, 2013 at 09:45:33AM +0800, Gavin Shan wrote: > On Mon, Apr 22, 2013 at 09:34:36AM +1000, Michael Ellerman wrote: > >On Fri, Apr 19, 2013 at 05:32:45PM +0800, Gavin Shan wrote: > >> The EOI handler of MSI/MSI-X interrupts for P8 (PHB3) need additional > >> steps to handle the P/Q bits

Re: [PATCH 3/3] powerpc/powernv: Patch MSI EOI handler on P8

2013-04-21 Thread Gavin Shan
On Mon, Apr 22, 2013 at 09:34:36AM +1000, Michael Ellerman wrote: >On Fri, Apr 19, 2013 at 05:32:45PM +0800, Gavin Shan wrote: >> The EOI handler of MSI/MSI-X interrupts for P8 (PHB3) need additional >> steps to handle the P/Q bits in IVE before EOIing the corresponding >> interrupt. The patch chan

Re: [PATCH 3/3] powerpc/powernv: Patch MSI EOI handler on P8

2013-04-21 Thread Michael Ellerman
On Fri, Apr 19, 2013 at 05:32:45PM +0800, Gavin Shan wrote: > The EOI handler of MSI/MSI-X interrupts for P8 (PHB3) need additional > steps to handle the P/Q bits in IVE before EOIing the corresponding > interrupt. The patch changes the EOI handler to cover that. > diff --git a/arch/powerpc/sysdev

[PATCH 3/3] powerpc/powernv: Patch MSI EOI handler on P8

2013-04-19 Thread Gavin Shan
The EOI handler of MSI/MSI-X interrupts for P8 (PHB3) need additional steps to handle the P/Q bits in IVE before EOIing the corresponding interrupt. The patch changes the EOI handler to cover that. Signed-off-by: Gavin Shan --- arch/powerpc/platforms/powernv/pci-ioda.c | 33 +++