Re: [PATCH v2 1/4] irqchip: GICv3: Convert to EOImode == 1

2015-08-17 Thread Eric Auger
Hi Marc, On 08/13/2015 10:28 AM, 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 v2 1/4] irqchip: GICv3: Convert to EOImode == 1

2015-08-13 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