From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Michael S. Tsirkin" <mst@redhat.com>
Subject: Re: [PATCH V6 11/11] pci: Do not check if a bus exist
 in pci_parse_devaddr.
Date: Mon, 13 Feb 2012 14:53:50 +0200
Message-ID: <20120213125348.GA26773@redhat.com>
References: <1329135613-26061-1-git-send-email-anthony.perard@citrix.com>
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To: Anthony PERARD <anthony.perard@citrix.com>
Cc: Anthony Liguori <aliguori@us.ibm.com>, Xen Devel <xen-devel@lists.xensource.com>, QEMU-devel <qemu-devel@nongnu.org>, Stefano Stabellini <stefano.stabellini@eu.citrix.com>
List-Id: xen-devel@lists.xenproject.org

On Mon, Feb 13, 2012 at 12:20:13PM +0000, Anthony PERARD wrote:
> Actually, pci_parse_devaddr checks if the dom/bus of the PCI address exist. But
> this should be the jobs of a caller. In fact, the two callers of this function
> will try to retrieve the PCIBus related to the devaddr and return an error if
> they cannot.
> 
> Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>

I agree. It's a good patch. And this will help address the bridges.
Want me to queue this?

> ---
>  hw/pci.c |    4 ----
>  1 files changed, 0 insertions(+), 4 deletions(-)
> 
> diff --git a/hw/pci.c b/hw/pci.c
> index ebb5de9..da7cf79 100644
> --- a/hw/pci.c
> +++ b/hw/pci.c
> @@ -529,10 +529,6 @@ int pci_parse_devaddr(const char *addr, int *domp, int *busp,
>      if (*e)
>  	return -1;
>  
> -    /* Note: QEMU doesn't implement domains other than 0 */
> -    if (!pci_find_bus(pci_find_root_bus(dom), bus))
> -	return -1;
> -
>      *domp = dom;
>      *busp = bus;
>      *slotp = slot;
> -- 
> Anthony PERARD