Re: [Xen-devel] [PATCH v3 1/8] ARM: VGIC: drop unneeded gic_restore_pending_irqs()

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

On Wed, 24 Jan 2018, Andre Przywara wrote:
> In gic_restore_pending_irqs() we push our pending virtual IRQs into the
> list registers. This function is called once from gic_inject(), just
> before we return to the guest, but also in gic_restore_state(), when
> we context-switch a VCPU. Having a closer look it turns out that the
> later call is not needed, since we will always call gic_inject() anyway.
> So remove that call (and the forward declaration) to streamline this
> interface and make separating the GIC from the VGIC world later.
> 
> Signed-off-by: Andre Przywara <andre.przywara@xxxxxxxxxx>

Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>


> ---
>  xen/arch/arm/gic.c | 4 ----
>  1 file changed, 4 deletions(-)
> 
> diff --git a/xen/arch/arm/gic.c b/xen/arch/arm/gic.c
> index bac8ada2bb..721a17a9d7 100644
> --- a/xen/arch/arm/gic.c
> +++ b/xen/arch/arm/gic.c
> @@ -36,8 +36,6 @@
>  #include <asm/vgic.h>
>  #include <asm/acpi.h>
>  
> -static void gic_restore_pending_irqs(struct vcpu *v);
> -
>  static DEFINE_PER_CPU(uint64_t, lr_mask);
>  
>  #define lr_all_full() (this_cpu(lr_mask) == ((1 << gic_hw_ops->info->nr_lrs) 
> - 1))
> @@ -91,8 +89,6 @@ void gic_restore_state(struct vcpu *v)
>      gic_hw_ops->restore_state(v);
>  
>      isb();
> -
> -    gic_restore_pending_irqs(v);
>  }
>  
>  /* desc->irq needs to be disabled before calling this function */
> -- 
> 2.14.1
> 

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