On 14/07/15 13:06, Pavel Fedin wrote:
> Makes qemu working again with kernel-irqchip=off option
I'd appreciate a better commit log. Which patch broke it, why is that
necessary.
>
> Signed-off-by: Pavel Fedin <p.fe...@samsung.com>
> ---
> arch/arm/kvm/arm.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c
> index d9631ec..5668c4e 100644
> --- a/arch/arm/kvm/arm.c
> +++ b/arch/arm/kvm/arm.c
> @@ -450,7 +450,7 @@ static int kvm_vcpu_first_run_init(struct kvm_vcpu *vcpu)
> * Map the VGIC hardware resources before running a vcpu the first
> * time on this VM.
> */
> - if (unlikely(!vgic_ready(kvm))) {
> + if (irqchip_in_kernel(kvm) && unlikely(!vgic_ready(kvm))) {
I think you should factor the irqchip_in_kernel() inside the unlikely
clause. Something like
bool vgic_needs_init = irqchip_in_kernel(kvm) && !vgic_ready(kvm);
if (unlikely(vfic_needs_init)) {
...
}
> ret = kvm_vgic_map_resources(kvm);
> if (ret)
> return ret;
>
Thanks,
M.
--
Jazz is not dead. It just smells funny...
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