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From:   Michael Kelley <mikelley@microsoft.com>
To:     "longli@linuxonhyperv.com" <longli@linuxonhyperv.com>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "linux-hyperv@vger.kernel.org" <linux-hyperv@vger.kernel.org>
CC:     Long Li <longli@microsoft.com>, KY Srinivasan <kys@microsoft.com>,
        Haiyang Zhang <haiyangz@microsoft.com>,
        Stephen Hemminger <sthemmin@microsoft.com>,
        Wei Liu <wei.liu@kernel.org>, Dexuan Cui <decui@microsoft.com>
Subject: RE: [Patch v2 1/3] Drivers: hv: vmbus: add support to ignore certain
 PCIE devices
Thread-Topic: [Patch v2 1/3] Drivers: hv: vmbus: add support to ignore certain
 PCIE devices
Thread-Index: AQHXalTIMOVKbzNQ5EyGb0ti1Noo2qsp6JKQ
Date:   Mon, 28 Jun 2021 20:47:05 +0000
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References: <1624689020-9589-1-git-send-email-longli@linuxonhyperv.com>
 <1624689020-9589-2-git-send-email-longli@linuxonhyperv.com>
In-Reply-To: <1624689020-9589-2-git-send-email-longli@linuxonhyperv.com>
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From: longli@linuxonhyperv.com <longli@linuxonhyperv.com> Sent: Friday, Jun=
e 25, 2021 11:30 PM
>=20
> Under certain configurations when Hyper-v presents a device to VMBUS, it
> may have a VMBUS channel and a PCIe channel. The PCIe channel is not used
> in Linux and does not have a backing PCIE device on Hyper-v. For such
> devices, ignore those PCIe channels so they are not getting probed by the
> PCI subsystem.
>=20
> Cc: K. Y. Srinivasan <kys@microsoft.com>
> Cc: Haiyang Zhang <haiyangz@microsoft.com>
> Cc: Stephen Hemminger <sthemmin@microsoft.com>
> Cc: Wei Liu <wei.liu@kernel.org>
> Cc: Dexuan Cui <decui@microsoft.com>
> Signed-off-by: Long Li <longli@microsoft.com>
> ---
>  drivers/hv/channel_mgmt.c | 48 +++++++++++++++++++++++++++++++++++++++++=
------
>  1 file changed, 42 insertions(+), 6 deletions(-)
>=20

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