linux-kernel - Re: [PATCH] pci-hyperv: Use device serial number as PCI domain

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Message-ID: <20170217094703.1af2e8bd@plumbers-lap.home.lan>
Date:   Fri, 17 Feb 2017 09:47:03 -0800
From:   Stephen Hemminger <stephen@...workplumber.org>
To:     Haiyang Zhang <haiyangz@...rosoft.com>
Cc:     "bhelgaas@...gle.com" <bhelgaas@...gle.com>,
        "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
        "olaf@...fle.de" <olaf@...fle.de>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        "driverdev-devel@...uxdriverproject.org" 
        <driverdev-devel@...uxdriverproject.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] pci-hyperv: Use device serial number as PCI domain

On Mon, 13 Feb 2017 18:10:11 +0000
Haiyang Zhang <haiyangz@...rosoft.com> wrote:

> This allows PCI domain numbers starts with 1, and also unique
> on the same VM. So names, such as VF NIC names, that include
> domain number as part of the name, can be shorter than that
> based on part of bus UUID previously. The new names will also
> stay same for VMs created with copied VHD and same number of
> devices.
> 
> Signed-off-by: Haiyang Zhang <haiyangz@...rosoft.com>
> Reviewed-by: K. Y. Srinivasan <kys@...rosoft.com>

Looks like a good solution to persistent names.

Signed-off-by: Stephen Hemminger <sthemmin@...rosoft.com>