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Message-ID:
<SA1PR21MB13356156EF05094FE9F9B02FBFB4A@SA1PR21MB1335.namprd21.prod.outlook.com>
Date: Mon, 20 Nov 2023 19:28:59 +0000
From: Dexuan Cui <decui@...rosoft.com>
To: Haiyang Zhang <haiyangz@...rosoft.com>, "linux-hyperv@...r.kernel.org"
<linux-hyperv@...r.kernel.org>, "netdev@...r.kernel.org"
<netdev@...r.kernel.org>
CC: KY Srinivasan <kys@...rosoft.com>, "wei.liu@...nel.org"
<wei.liu@...nel.org>, "edumazet@...gle.com" <edumazet@...gle.com>,
"kuba@...nel.org" <kuba@...nel.org>, "pabeni@...hat.com" <pabeni@...hat.com>,
stephen <stephen@...workplumber.org>, "davem@...emloft.net"
<davem@...emloft.net>, "linux-kernel@...r.kernel.org"
<linux-kernel@...r.kernel.org>, Long Li <longli@...rosoft.com>,
"stable@...r.kernel.org" <stable@...r.kernel.org>
Subject: RE: [PATCH net,v5, 3/3] hv_netvsc: Mark VF as slave before exposing
it to user-mode
> From: LKML haiyangz <lkmlhyz@...rosoft.com> On Behalf Of Haiyang
> Zhang
> [...]
> From: Long Li <longli@...rosoft.com>
>
> When a VF is being exposed form the kernel, it should be marked as
> "slave"
> before exposing to the user-mode. The VF is not usable without netvsc
> running as master. The user-mode should never see a VF without the
> "slave"
> flag.
>
> This commit moves the code of setting the slave flag to the time before
> VF is exposed to user-mode.
>
> Cc: stable@...r.kernel.org
> Fixes: 0c195567a8f6 ("netvsc: transparent VF management")
> Signed-off-by: Long Li <longli@...rosoft.com>
> Signed-off-by: Haiyang Zhang <haiyangz@...rosoft.com>
> ---
> v5:
> Change function name netvsc_prepare_slave() to
> netvsc_prepare_bonding().
> v4:
> Add comments in get_netvsc_byslot() explaining the need to check
> dev_addr
> v2:
> Use a new function to handle NETDEV_POST_INIT.
Acked-by: Dexuan Cui <decui@...rosoft.com>
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