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From: "Michael S. Tsirkin" <mst@redhat.com>
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>
Subject: Re: [Qemu-devel] [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	[thread overview]
Message-ID: <20120213125348.GA26773@redhat.com> (raw)
In-Reply-To: <1329135613-26061-12-git-send-email-anthony.perard@citrix.com>

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

WARNING: multiple messages have this Message-ID (diff)
From: "Michael S. Tsirkin" <mst@redhat.com>
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>
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	[thread overview]
Message-ID: <20120213125348.GA26773@redhat.com> (raw)
In-Reply-To: <1329135613-26061-12-git-send-email-anthony.perard@citrix.com>

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

  reply	other threads:[~2012-02-13 12:53 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-02-13 12:20 [Qemu-devel] [PATCH V6 00/11] Xen PCI Passthrough Anthony PERARD
2012-02-13 12:20 ` Anthony PERARD
2012-02-13 12:20 ` [Qemu-devel] [PATCH V6 01/11] pci_ids: Add INTEL_82599_VF id Anthony PERARD
2012-02-13 12:20   ` Anthony PERARD
2012-02-13 12:20 ` [Qemu-devel] [PATCH V6 02/11] pci_regs: Fix value of PCI_EXP_TYPE_RC_EC Anthony PERARD
2012-02-13 12:20   ` Anthony PERARD
2012-02-13 12:20 ` [Qemu-devel] [PATCH V6 03/11] pci_regs: Add PCI_EXP_TYPE_PCIE_BRIDGE Anthony PERARD
2012-02-13 12:20   ` Anthony PERARD
2012-02-13 12:20 ` [Qemu-devel] [PATCH V6 04/11] configure: Introduce --enable-xen-pci-passthrough Anthony PERARD
2012-02-13 12:20   ` Anthony PERARD
2012-02-13 12:20 ` [Qemu-devel] [PATCH V6 05/11] Introduce HostPCIDevice to access a pci device on the host Anthony PERARD
2012-02-13 12:20   ` Anthony PERARD
2012-02-13 12:20 ` [Qemu-devel] [PATCH V6 06/11] pci.c: Add pci_check_bar_overlap Anthony PERARD
2012-02-13 12:20   ` Anthony PERARD
2012-02-13 12:20 ` [Qemu-devel] [PATCH V6 07/11] Introduce Xen PCI Passthrough, qdevice (1/3) Anthony PERARD
2012-02-13 12:20   ` Anthony PERARD
2012-02-13 12:20 ` [Qemu-devel] [PATCH V6 08/11] Introduce Xen PCI Passthrough, PCI config space helpers (2/3) Anthony PERARD
2012-02-13 12:20   ` Anthony PERARD
2012-02-13 12:20 ` [Qemu-devel] [PATCH V6 09/11] Introduce apic-msidef.h Anthony PERARD
2012-02-13 12:20   ` Anthony PERARD
2012-02-13 12:20 ` [Qemu-devel] [PATCH V6 10/11] Introduce Xen PCI Passthrough, MSI (3/3) Anthony PERARD
2012-02-13 12:20   ` Anthony PERARD
2012-02-14 13:13   ` [Qemu-devel] [Xen-devel] " Jan Beulich
2012-02-14 13:13     ` Jan Beulich
2012-02-14 13:46     ` [Qemu-devel] " Anthony PERARD
2012-02-14 13:46       ` Anthony PERARD
2012-02-14 14:00       ` [Qemu-devel] " Jan Beulich
2012-02-14 14:00         ` Jan Beulich
2012-02-13 12:20 ` [Qemu-devel] [PATCH V6 11/11] pci: Do not check if a bus exist in pci_parse_devaddr Anthony PERARD
2012-02-13 12:20   ` Anthony PERARD
2012-02-13 12:53   ` Michael S. Tsirkin [this message]
2012-02-13 12:53     ` Michael S. Tsirkin
2012-02-13 15:24     ` [Qemu-devel] " Anthony PERARD
2012-02-13 15:24       ` Anthony PERARD

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