Re: [PATCH 1/6] irqchip: GICv3: Convert to EOImode == 1

2015-08-12 Thread Marc Zyngier
On 11/08/15 10:14, Eric Auger wrote: > Hi Marc, > On 07/09/2015 03:19 PM, Marc Zyngier wrote: >> So far, GICv3 has been used in with EOImode == 0. The effect of this >> mode is to perform the priority drop and the deactivation of the >> interrupt at the same time. >> >> While this works perfectly f

Re: [PATCH 1/6] irqchip: GICv3: Convert to EOImode == 1

2015-08-11 Thread Eric Auger
Hi Marc, On 07/09/2015 03:19 PM, Marc Zyngier wrote: > So far, GICv3 has been used in with EOImode == 0. The effect of this > mode is to perform the priority drop and the deactivation of the > interrupt at the same time. > > While this works perfectly for Linux (we only have a single priority), >

[PATCH 1/6] irqchip: GICv3: Convert to EOImode == 1

2015-07-09 Thread Marc Zyngier
So far, GICv3 has been used in with EOImode == 0. The effect of this mode is to perform the priority drop and the deactivation of the interrupt at the same time. While this works perfectly for Linux (we only have a single priority), it causes issues when an interrupt is forwarded to a guest, and w