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From: Gleb Natapov <gleb@redhat.com>
To: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Jan Kiszka <jan.kiszka@web.de>,
	qemu-devel <qemu-devel@nongnu.org>,
	kvm-devel <kvm@vger.kernel.org>
Subject: Re: [uq/master PATCH] kvmvapic: add ioport read accessor
Date: Mon, 6 May 2013 14:52:59 +0300	[thread overview]
Message-ID: <20130506115259.GA12349@redhat.com> (raw)
In-Reply-To: <20130505205149.GA2032@amt.cnet>

On Sun, May 05, 2013 at 05:51:49PM -0300, Marcelo Tosatti wrote:
> 
> Necessary since memory region accessor assumes read and write
> methods are registered. Otherwise reading I/O port 0x7e segfaults.
> 
> https://bugzilla.redhat.com/show_bug.cgi?id=954306
> 
> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
> 
Applied, thanks.

> diff --git a/hw/i386/kvmvapic.c b/hw/i386/kvmvapic.c
> index 5b558aa..655483b 100644
> --- a/hw/i386/kvmvapic.c
> +++ b/hw/i386/kvmvapic.c
> @@ -687,8 +687,14 @@ static void vapic_write(void *opaque, hwaddr addr, uint64_t data,
>      }
>  }
>  
> +static uint64_t vapic_read(void *opaque, hwaddr addr, unsigned size)
> +{
> +    return 0xffffffff;
> +}
> +
>  static const MemoryRegionOps vapic_ops = {
>      .write = vapic_write,
> +    .read = vapic_read,
>      .endianness = DEVICE_NATIVE_ENDIAN,
>  };
>  
> 
> --
> To unsubscribe from this list: send the line "unsubscribe kvm" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html

--
			Gleb.

WARNING: multiple messages have this Message-ID (diff)
From: Gleb Natapov <gleb@redhat.com>
To: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Jan Kiszka <jan.kiszka@web.de>,
	qemu-devel <qemu-devel@nongnu.org>,
	kvm-devel <kvm@vger.kernel.org>
Subject: Re: [Qemu-devel] [uq/master PATCH] kvmvapic: add ioport read accessor
Date: Mon, 6 May 2013 14:52:59 +0300	[thread overview]
Message-ID: <20130506115259.GA12349@redhat.com> (raw)
In-Reply-To: <20130505205149.GA2032@amt.cnet>

On Sun, May 05, 2013 at 05:51:49PM -0300, Marcelo Tosatti wrote:
> 
> Necessary since memory region accessor assumes read and write
> methods are registered. Otherwise reading I/O port 0x7e segfaults.
> 
> https://bugzilla.redhat.com/show_bug.cgi?id=954306
> 
> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
> 
Applied, thanks.

> diff --git a/hw/i386/kvmvapic.c b/hw/i386/kvmvapic.c
> index 5b558aa..655483b 100644
> --- a/hw/i386/kvmvapic.c
> +++ b/hw/i386/kvmvapic.c
> @@ -687,8 +687,14 @@ static void vapic_write(void *opaque, hwaddr addr, uint64_t data,
>      }
>  }
>  
> +static uint64_t vapic_read(void *opaque, hwaddr addr, unsigned size)
> +{
> +    return 0xffffffff;
> +}
> +
>  static const MemoryRegionOps vapic_ops = {
>      .write = vapic_write,
> +    .read = vapic_read,
>      .endianness = DEVICE_NATIVE_ENDIAN,
>  };
>  
> 
> --
> To unsubscribe from this list: send the line "unsubscribe kvm" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html

--
			Gleb.

  parent reply	other threads:[~2013-05-06 11:53 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-05 20:51 [uq/master PATCH] kvmvapic: add ioport read accessor Marcelo Tosatti
2013-05-05 20:51 ` [Qemu-devel] " Marcelo Tosatti
2013-05-06  6:29 ` Jan Kiszka
2013-05-06  6:29   ` [Qemu-devel] " Jan Kiszka
2013-05-06 11:52 ` Gleb Natapov [this message]
2013-05-06 11:52   ` Gleb Natapov

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