From: Jakub Kicinski <kuba@kernel.org>
To: Shradha Gupta <shradhagupta@linux.microsoft.com>
Cc: "K. Y. Srinivasan" <kys@microsoft.com>,
Haiyang Zhang <haiyangz@microsoft.com>,
Wei Liu <wei.liu@kernel.org>, Dexuan Cui <decui@microsoft.com>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Paolo Abeni <pabeni@redhat.com>,
Wojciech Drewek <wojciech.drewek@intel.com>,
linux-hyperv@vger.kernel.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, shradhagupta@microsoft.com,
stable@vger.kernel.org
Subject: Re: [PATCH] hv_netvsc:Register VF in netvsc_probe if NET_DEVICE_REGISTER missed
Date: Tue, 30 Jan 2024 18:29:14 -0800 [thread overview]
Message-ID: <20240130182914.25df5128@kernel.org> (raw)
In-Reply-To: <1706599135-12651-1-git-send-email-shradhagupta@linux.microsoft.com>
On Mon, 29 Jan 2024 23:18:55 -0800 Shradha Gupta wrote:
> If hv_netvsc driver is removed and reloaded, the NET_DEVICE_REGISTER
> handler cannot perform VF register successfully as the register call
> is received before netvsc_probe is finished. This is because we
> register register_netdevice_notifier() very early(even before
> vmbus_driver_register()).
> To fix this, we try to register each such matching VF( if it is visible
> as a netdevice) at the end of netvsc_probe.
>
> Cc: stable@vger.kernel.org
> Fixes: 85520856466e ("hv_netvsc: Fix race of register_netdevice_notifier and VF register")
> Suggested-by: Dexuan Cui <decui@microsoft.com>
> Signed-off-by: Shradha Gupta <shradhagupta@linux.microsoft.com>
Does not seem to apply to net/main, please respin
next prev parent reply other threads:[~2024-01-31 2:29 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-30 7:18 [PATCH] hv_netvsc:Register VF in netvsc_probe if NET_DEVICE_REGISTER missed Shradha Gupta
2024-01-30 13:43 ` Haiyang Zhang
2024-01-30 20:13 ` Dexuan Cui
2024-01-30 22:05 ` Haiyang Zhang
2024-01-30 22:30 ` Dexuan Cui
2024-01-31 7:54 ` Shradha Gupta
2024-01-31 16:46 ` Haiyang Zhang
2024-01-31 17:40 ` Dexuan Cui
2024-01-31 20:05 ` Haiyang Zhang
2024-01-31 2:29 ` Jakub Kicinski [this message]
2024-01-31 6:09 ` Shradha Gupta
2024-02-01 0:30 ` Jakub Kicinski
2024-02-01 6:17 ` [EXTERNAL] " Shradha Gupta
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