Re: [PATCH] powerpc/pseries: Add support for IO Event interrupt drivers

2010-05-19 Thread Sonny Rao
On Wed, May 19, 2010 at 10:10:58PM +1000, Michael Ellerman wrote: > > > The "checks the scope" requires an RTAS call, which takes a global lock > > > (and you add another) - these aren't going to be used for anything > > > performance critical I hope? > > > > Nope it shouldn't be performance crit

Re: [PATCH] powerpc/pseries: Add support for IO Event interrupt drivers

2010-05-19 Thread Michael Ellerman
On Tue, 2010-05-18 at 23:27 -0500, Sonny Rao wrote: > On Tue, 18 May 2010 23:37:31 +1000, Michael Ellerman wrote: > > > > On Mon, 2010-05-17 at 22:53 +1000, Mark Nelson wrote: > > > This patch adds support for handling IO Event interrupts which come > > > through at the /event-sources/ibm,io-event

Re: [PATCH] powerpc/pseries: Add support for IO Event interrupt drivers

2010-05-19 Thread Michael Ellerman
On Wed, 2010-05-19 at 20:24 +1000, Mark Nelson wrote: > On Tuesday 18 May 2010 23:37:31 Michael Ellerman wrote: > > On Mon, 2010-05-17 at 22:53 +1000, Mark Nelson wrote: > > > > > + /* check to see if we've already registered this function with > > > + * this scope. If we have, don't register it

Re: [PATCH] powerpc/pseries: Add support for IO Event interrupt drivers

2010-05-19 Thread Mark Nelson
On Wednesday 19 May 2010 14:27:44 Sonny Rao wrote: > On Tue, 18 May 2010 23:37:31 +1000, Michael Ellerman wrote: > > > > On Mon, 2010-05-17 at 22:53 +1000, Mark Nelson wrote: > > > This patch adds support for handling IO Event interrupts which come > > > through at the /event-sources/ibm,io-events

Re: [PATCH] powerpc/pseries: Add support for IO Event interrupt drivers

2010-05-19 Thread Mark Nelson
On Tuesday 18 May 2010 23:37:31 Michael Ellerman wrote: > On Mon, 2010-05-17 at 22:53 +1000, Mark Nelson wrote: > > This patch adds support for handling IO Event interrupts which come > > through at the /event-sources/ibm,io-events device tree node. > > Hi Mark, > > You'll have to explain to me o

Re: [PATCH] powerpc/pseries: Add support for IO Event interrupt drivers

2010-05-18 Thread Michael Ellerman
On Mon, 2010-05-17 at 22:53 +1000, Mark Nelson wrote: > This patch adds support for handling IO Event interrupts which come > through at the /event-sources/ibm,io-events device tree node. Hi Mark, You'll have to explain to me offline sometime how it is we ran out of interrupts and started needing