Re: [Qemu-devel] [PATCH v2] kvm-all.c: Move init of irqchip_inject_ioctl out of kvm_irqchip_create()

[Jan Kiszka <jan.kiszka@siemens.com>]

On 2012-08-15 13:08, Peter Maydell wrote:
> Move the init of the irqchip_inject_ioctl field of KVMState out of
> kvm_irqchip_create() and into kvm_init(), so that kvm_set_irq()
> can be used even when no irqchip is created (for architectures
> that support async interrupt notification even without an in
> kernel irqchip).
> 
> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
> ---
> Changes v1->v2: move whe whole chunk of init code, for both
> KVM_IRQ_LINE and KVM_IRQ_LINE_STATUS possibilities.
> 
>  kvm-all.c |    9 +++++----
>  1 file changed, 5 insertions(+), 4 deletions(-)
> 
> diff --git a/kvm-all.c b/kvm-all.c
> index 34b02c1..72d84a2 100644
> --- a/kvm-all.c
> +++ b/kvm-all.c
> @@ -1200,10 +1200,6 @@ static int kvm_irqchip_create(KVMState *s)
>          return ret;
>      }
>  
> -    s->irqchip_inject_ioctl = KVM_IRQ_LINE;
> -    if (kvm_check_extension(s, KVM_CAP_IRQ_INJECT_STATUS)) {
> -        s->irqchip_inject_ioctl = KVM_IRQ_LINE_STATUS;
> -    }
>      kvm_kernel_irqchip = true;
>      /* If we have an in-kernel IRQ chip then we must have asynchronous
>       * interrupt delivery (though the reverse is not necessarily true)
> @@ -1350,6 +1346,11 @@ int kvm_init(void)
>      s->direct_msi = (kvm_check_extension(s, KVM_CAP_SIGNAL_MSI) > 0);
>  #endif
>  
> +    s->irqchip_inject_ioctl = KVM_IRQ_LINE;
> +    if (kvm_check_extension(s, KVM_CAP_IRQ_INJECT_STATUS)) {
> +        s->irqchip_inject_ioctl = KVM_IRQ_LINE_STATUS;
> +    }
> +
>      ret = kvm_arch_init(s);
>      if (ret < 0) {
>          goto err;
> 

As it's not yet merged, some late comment: irqchip_inject_ioctl should
be renamed as well. irq_inject_ioctl?

Jan

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