Re: [PATCH] hw/i386: De-duplicate gsi_handler() to remove kvm_pc_gsi_handler()

[Paolo Bonzini <pbonzini@redhat.com>]

On 13/12/19 12:07, Philippe Mathieu-Daudé wrote:
> Both gsi_handler() and kvm_pc_gsi_handler() have the same content,
> except one comment. Move the comment, and de-duplicate the code.
> 
> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
> ---
>  include/sysemu/kvm.h |  1 -
>  hw/i386/kvm/ioapic.c | 12 ------------
>  hw/i386/pc.c         |  5 ++---
>  3 files changed, 2 insertions(+), 16 deletions(-)
> 
> diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h
> index 9fe233b9bf..f5d0d0d710 100644
> --- a/include/sysemu/kvm.h
> +++ b/include/sysemu/kvm.h
> @@ -515,7 +515,6 @@ int kvm_irqchip_add_irqfd_notifier(KVMState *s, EventNotifier *n,
>  int kvm_irqchip_remove_irqfd_notifier(KVMState *s, EventNotifier *n,
>                                        qemu_irq irq);
>  void kvm_irqchip_set_qemuirq_gsi(KVMState *s, qemu_irq irq, int gsi);
> -void kvm_pc_gsi_handler(void *opaque, int n, int level);
>  void kvm_pc_setup_irq_routing(bool pci_enabled);
>  void kvm_init_irq_routing(KVMState *s);
>  
> diff --git a/hw/i386/kvm/ioapic.c b/hw/i386/kvm/ioapic.c
> index f94729c565..bae7413a39 100644
> --- a/hw/i386/kvm/ioapic.c
> +++ b/hw/i386/kvm/ioapic.c
> @@ -48,18 +48,6 @@ void kvm_pc_setup_irq_routing(bool pci_enabled)
>      }
>  }
>  
> -void kvm_pc_gsi_handler(void *opaque, int n, int level)
> -{
> -    GSIState *s = opaque;
> -
> -    if (n < ISA_NUM_IRQS) {
> -        /* Kernel will forward to both PIC and IOAPIC */
> -        qemu_set_irq(s->i8259_irq[n], level);
> -    } else {
> -        qemu_set_irq(s->ioapic_irq[n], level);
> -    }
> -}
> -
>  typedef struct KVMIOAPICState KVMIOAPICState;
>  
>  struct KVMIOAPICState {
> diff --git a/hw/i386/pc.c b/hw/i386/pc.c
> index ac08e63604..97e9049b71 100644
> --- a/hw/i386/pc.c
> +++ b/hw/i386/pc.c
> @@ -350,6 +350,7 @@ void gsi_handler(void *opaque, int n, int level)
>  
>      DPRINTF("pc: %s GSI %d\n", level ? "raising" : "lowering", n);
>      if (n < ISA_NUM_IRQS) {
> +        /* Under KVM, Kernel will forward to both PIC and IOAPIC */
>          qemu_set_irq(s->i8259_irq[n], level);
>      }
>      qemu_set_irq(s->ioapic_irq[n], level);
> @@ -362,10 +363,8 @@ GSIState *pc_gsi_create(qemu_irq **irqs, bool pci_enabled)
>      s = g_new0(GSIState, 1);
>      if (kvm_ioapic_in_kernel()) {
>          kvm_pc_setup_irq_routing(pci_enabled);
> -        *irqs = qemu_allocate_irqs(kvm_pc_gsi_handler, s, GSI_NUM_PINS);
> -    } else {
> -        *irqs = qemu_allocate_irqs(gsi_handler, s, GSI_NUM_PINS);
>      }
> +    *irqs = qemu_allocate_irqs(gsi_handler, s, GSI_NUM_PINS);
>  
>      return s;
>  }
> 

Queued, thanks.

Paolo