Re: [Xen-devel] [RFC] xen/arm: Restrict when a physical IRQ can be routed/removed from/to a domain

2018-03-16 Thread Stefano Stabellini
On Thu, 8 Mar 2018, julien.gr...@arm.com wrote: > From: Julien Grall > > Xen is currently allowing to route/remove an interrupt from/to the > domain while it is running. > > However, we never sync the virtual interrupt state to the physical > interrupt. This could lead to undesirable effect on t

Re: [Xen-devel] [RFC] xen/arm: Restrict when a physical IRQ can be routed/removed from/to a domain

2018-03-16 Thread Julien Grall
Gentle ping. The vGIC rework from Andre is based on that assumption. Cheers, On 08/03/18 15:24, julien.gr...@arm.com wrote: From: Julien Grall Xen is currently allowing to route/remove an interrupt from/to the domain while it is running. However, we never sync the virtual interrupt state to

[Xen-devel] [RFC] xen/arm: Restrict when a physical IRQ can be routed/removed from/to a domain

2018-03-08 Thread julien . grall
From: Julien Grall Xen is currently allowing to route/remove an interrupt from/to the domain while it is running. However, we never sync the virtual interrupt state to the physical interrupt. This could lead to undesirable effect on the vGIC emulation and potentially the hardware. One solution