Re: [PATCH 0/2] powerpc/pseries: fix MSI/X IRQ affinity on pseries

2020-11-24 Thread Michael S. Tsirkin
On Tue, Nov 24, 2020 at 09:03:06PM +0100, Laurent Vivier wrote: > With virtio, in multiqueue case, each queue IRQ is normally > bound to a different CPU using the affinity mask. > > This works fine on x86_64 but totally ignored on pseries. > > This is not obvious at first look because irqbalance

[PATCH 0/2] powerpc/pseries: fix MSI/X IRQ affinity on pseries

2020-11-24 Thread Laurent Vivier
With virtio, in multiqueue case, each queue IRQ is normally bound to a different CPU using the affinity mask. This works fine on x86_64 but totally ignored on pseries. This is not obvious at first look because irqbalance is doing some balancing to improve that. It appears that the "managed" flag