Re: [PATCH 0/2] KVM: arm64: Ensure VGIC is fully initialized before entering guest

[Oliver Upton <oliver.upton@linux.dev>]

On Thu, Oct 17, 2024 at 12:19:45AM +0000, Oliver Upton wrote:
> Fix for the race [*] that I had mentioned last week. The first patch
> isn't entirely necessary, but it gets rid of a bogus check that could've
> potentially raced with kvm_vgic_map_resources() as vgic_dist::ready is
> no longer protected with the config_lock.
> 
> Applies to kvmarm/fixes.

-ENEEDBEER

Here's the link I meant to add.

[*]: https://lore.kernel.org/kvmarm/ZweUiHMC3RNwNXzY@linux.dev/

> Oliver Upton (2):
>   KVM: arm64: vgic: Don't check for vgic_ready() when setting NR_IRQS
>   KVM: arm64: Ensure vgic_ready() is ordered against MMIO registration
> 
>  arch/arm64/kvm/vgic/vgic-init.c       | 13 +++++++++++--
>  arch/arm64/kvm/vgic/vgic-kvm-device.c |  7 ++++++-
>  2 files changed, 17 insertions(+), 3 deletions(-)
> 
> 
> base-commit: df5fd75ee305cb5927e0b1a0b46cc988ad8db2b1
> -- 
> 2.47.0.rc1.288.g06298d1525-goog
> 

-- 
Thanks,
Oliver