linux-kernel - Re: [Patch v3 2/2] PCI: hv: Add support for protocol 1.3 and support PCI_BUS

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Message-ID: <20200111175134.GA237990@google.com>
Date:   Sat, 11 Jan 2020 11:51:34 -0600
From:   Bjorn Helgaas <helgaas@...nel.org>
To:     longli@...uxonhyperv.com
Cc:     "K. Y. 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>,
        linux-hyperv@...r.kernel.org, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org, Long Li <longli@...rosoft.com>
Subject: Re: [Patch v3 2/2] PCI: hv: Add support for protocol 1.3 and support
 PCI_BUS_RELATIONS2

On Thu, Dec 26, 2019 at 11:40:41AM -0800, longli@...uxonhyperv.com wrote:
> From: Long Li <longli@...rosoft.com>
> 
> 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.

s/The patch adds code/Add code/

> + * hv_pci_devices_present2() - Handles list of new children
> + * @hbus:	Root PCI bus, as understood by this driver
> + * @relations2:	Packet from host listing children
> + *
> + * This function is the v2 version of hv_pci_devices_present()

s/Handles list/Handle list/