linux-kernel - RE: [Patch v2 2/2] PCI: hv: Add support for protocol 1.3 and support PCI_BUS

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Message-ID: <CY4PR21MB062908EE52EA87D24F2E5D42D75D0@CY4PR21MB0629.namprd21.prod.outlook.com>
Date:   Wed, 4 Dec 2019 19:44:57 +0000
From:   Michael Kelley <mikelley@...rosoft.com>
To:     "longli@...uxonhyperv.com" <longli@...uxonhyperv.com>,
        KY Srinivasan <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Sasha Levin <sashal@...nel.org>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Andrew Murray <andrew.murray@....com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        "linux-hyperv@...r.kernel.org" <linux-hyperv@...r.kernel.org>,
        "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:     Long Li <longli@...rosoft.com>
Subject: RE: [Patch v2 2/2] PCI: hv: Add support for protocol 1.3 and support
 PCI_BUS_RELATIONS2

From: Long Li <longli@...rosoft.com> Sent: Tuesday, December 3, 2019 6:54 PM
> 
> Starting with Hyper-V PCI protocol version 1.3, the host VSP can send
> PCI_BUS_RELATIONS2 and pass the vNUMA node information for devices on the bus.
> The vNUMA node tells which guest NUMA node this device is on based on guest
> VM configuration topology and physical device inforamtion.
> 
> The patch adds code to negotiate v1.3 and process PCI_BUS_RELATIONS2.
> 
> Signed-off-by: Long Li <longli@...rosoft.com>
> ---
> 
> Changes
> v2: Changed some spaces to tabs, added put_pcichild() after get_pcichild_wslot(), renamed
> pci_assign_numa_node() to hv_pci_assign_numa_node()
> 
>  drivers/pci/controller/pci-hyperv.c | 109 ++++++++++++++++++++++++++++
>  1 file changed, 109 insertions(+)
> 

Reviewed-by: Michael Kelley <mikelley@...rosoft.com>