On Thu, 3 Mar 2016 00:08:06 +0100
Christoffer Dall wrote:
> On Wed, Feb 17, 2016 at 04:40:40PM +, Marc Zyngier wrote:
> > Next on our list of useless accesses is the maintenance interrupt
> > status registers (GICH_MISR, GICH_EISR{0,1}).
> >
> > It is pointless
On Wed, Feb 17, 2016 at 04:40:40PM +, Marc Zyngier wrote:
> Next on our list of useless accesses is the maintenance interrupt
> status registers (GICH_MISR, GICH_EISR{0,1}).
>
> It is pointless to save them if we haven't asked for a maintenance
> interrupt the first place, which can only
Next on our list of useless accesses is the maintenance interrupt
status registers (GICH_MISR, GICH_EISR{0,1}).
It is pointless to save them if we haven't asked for a maintenance
interrupt the first place, which can only happen for two reasons:
- Underflow: GICH_HCR_UIE will be set,
- EOI: