Re: [PATCH v3 1/4] irqchip: GICv3: Convert to EOImode == 1

2015-08-26 Thread Marc Zyngier
On 26/08/15 09:54, Eric Auger wrote: Hi Marc, On 08/25/2015 01:53 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

Re: [PATCH v3 1/4] irqchip: GICv3: Convert to EOImode == 1

2015-08-26 Thread Eric Auger
Hi Marc, On 08/25/2015 01:53 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), it

[PATCH v3 1/4] irqchip: GICv3: Convert to EOImode == 1

2015-08-25 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