From: Stephen Hemminger <stephen@networkplumber.org>
To: Haiyang Zhang <haiyangz@microsoft.com>
Cc: linux-hyperv@vger.kernel.org, netdev@vger.kernel.org,
kys@microsoft.com, wei.liu@kernel.org, decui@microsoft.com,
edumazet@google.com, kuba@kernel.org, pabeni@redhat.com,
davem@davemloft.net, linux-kernel@vger.kernel.org,
Long Li <longli@microsoft.com>,
stable@vger.kernel.org
Subject: Re: [PATCH net,v5, 3/3] hv_netvsc: Mark VF as slave before exposing it to user-mode
Date: Sun, 19 Nov 2023 08:53:53 -0800 [thread overview]
Message-ID: <20231119085353.757792c1@hermes.local> (raw)
In-Reply-To: <1700411023-14317-4-git-send-email-haiyangz@microsoft.com>
On Sun, 19 Nov 2023 08:23:43 -0800
Haiyang Zhang <haiyangz@microsoft.com> wrote:
> From: Long Li <longli@microsoft.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@vger.kernel.org
> Fixes: 0c195567a8f6 ("netvsc: transparent VF management")
> Signed-off-by: Long Li <longli@microsoft.com>
> Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Acked-by: Stephen Hemminger <stephen@networkplumber.org>
next prev parent reply other threads:[~2023-11-19 16:53 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-19 16:23 [PATCH net,v5, 0/3] hv_netvsc: fix race of netvsc, VF register, and slave bit Haiyang Zhang
2023-11-19 16:23 ` [PATCH net,v5, 1/3] hv_netvsc: fix race of netvsc and VF register_netdevice Haiyang Zhang
2023-11-19 16:23 ` [PATCH net,v5, 2/3] hv_netvsc: Fix race of register_netdevice_notifier and VF register Haiyang Zhang
2023-11-19 16:23 ` [PATCH net,v5, 3/3] hv_netvsc: Mark VF as slave before exposing it to user-mode Haiyang Zhang
2023-11-19 16:53 ` Stephen Hemminger [this message]
2023-11-20 19:28 ` Dexuan Cui
2023-11-21 12:20 ` [PATCH net,v5, 0/3] hv_netvsc: fix race of netvsc, VF register, and slave bit patchwork-bot+netdevbpf
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