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Re: [Qemu-devel] [PATCH v2 08/10] hw/mips: In KVM mode, inject IRQ2 (I/O


From: Aurelien Jarno
Subject: Re: [Qemu-devel] [PATCH v2 08/10] hw/mips: In KVM mode, inject IRQ2 (I/O) interupts via ioctls
Date: Sat, 21 Dec 2013 16:41:36 +0100
User-agent: Mutt/1.5.21 (2010-09-15)

On Mon, Dec 16, 2013 at 02:12:43PM +0000, James Hogan wrote:
> From: Sanjay Lal <address@hidden>
> 
> COP0 emulation is in-kernel for KVM, so inject IRQ2 (I/O) interrupts via
> ioctls.
> 
> Signed-off-by: Sanjay Lal <address@hidden>
> Signed-off-by: James Hogan <address@hidden>
> Cc: Aurelien Jarno <address@hidden>
> ---
> Changes in v2:
>  - Expand commit message
>  - Remove #ifdef CONFIG_KVM since it's guarded by kvm_enabled() already
> ---
>  hw/mips/mips_int.c | 11 +++++++++++
>  1 file changed, 11 insertions(+)
> 
> diff --git a/hw/mips/mips_int.c b/hw/mips/mips_int.c
> index 7dbd24d..1b9981e 100644
> --- a/hw/mips/mips_int.c
> +++ b/hw/mips/mips_int.c
> @@ -23,6 +23,8 @@
>  #include "hw/hw.h"
>  #include "hw/mips/cpudevs.h"
>  #include "cpu.h"
> +#include "sysemu/kvm.h"
> +#include "kvm_mips.h"
>  
>  static void cpu_mips_irq_request(void *opaque, int irq, int level)
>  {
> @@ -35,8 +37,17 @@ static void cpu_mips_irq_request(void *opaque, int irq, 
> int level)
>  
>      if (level) {
>          env->CP0_Cause |= 1 << (irq + CP0Ca_IP);
> +
> +        if (kvm_enabled() && irq == 2) {
> +            kvm_mips_set_interrupt(env, irq, level);
> +        }
> +
>      } else {
>          env->CP0_Cause &= ~(1 << (irq + CP0Ca_IP));
> +
> +        if (kvm_enabled() && irq == 2) {
> +            kvm_mips_set_interrupt(env, irq, level);
> +        }
>      }
>  
>      if (env->CP0_Cause & CP0Ca_IP_mask) {

Reviewed-by: Aurelien Jarno <address@hidden>

-- 
Aurelien Jarno                          GPG: 1024D/F1BCDB73
address@hidden                 http://www.aurel32.net



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