netdev - Re: [PATCH v2] net: stmmac: fix incorrect rxq|txq

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Date: Tue, 19 Sep 2023 08:40:22 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Jisheng Zhang <jszhang@...nel.org>
Cc: peppe.cavallaro@...com, alexandre.torgue@...s.st.com,
 joabreu@...opsys.com, davem@...emloft.net, edumazet@...gle.com,
 kuba@...nel.org, pabeni@...hat.com, mcoquelin.stm32@...il.com, wens@...e.org,
 jernej.skrabec@...il.com, samuel@...lland.org, netdev@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
 linux-sunxi@...ts.linux.dev, linux-stm32@...md-mailman.stormreply.com,
 johannes@...solutions.net, u.kleine-koenig@...gutronix.de
Subject: Re: [PATCH v2] net: stmmac: fix incorrect rxq|txq_stats reference

Hello:

This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@...hat.com>:

On Mon, 18 Sep 2023 00:53:28 +0800 you wrote:
> commit 133466c3bbe1 ("net: stmmac: use per-queue 64 bit statistics
> where necessary") caused one regression as found by Uwe, the backtrace
> looks like:
> 
> 	INFO: trying to register non-static key.
> 	The code is fine but needs lockdep annotation, or maybe
> 	you didn't initialize this object before use?
> 	turning off the locking correctness validator.
> 	CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.5.0-rc1-00449-g133466c3bbe1-dirty #21
> 	Hardware name: STM32 (Device Tree Support)
> 	 unwind_backtrace from show_stack+0x18/0x1c
> 	 show_stack from dump_stack_lvl+0x60/0x90
> 	 dump_stack_lvl from register_lock_class+0x98c/0x99c
> 	 register_lock_class from __lock_acquire+0x74/0x293c
> 	 __lock_acquire from lock_acquire+0x134/0x398
> 	 lock_acquire from stmmac_get_stats64+0x2ac/0x2fc
> 	 stmmac_get_stats64 from dev_get_stats+0x44/0x130
> 	 dev_get_stats from rtnl_fill_stats+0x38/0x120
> 	 rtnl_fill_stats from rtnl_fill_ifinfo+0x834/0x17f4
> 	 rtnl_fill_ifinfo from rtmsg_ifinfo_build_skb+0xc0/0x144
> 	 rtmsg_ifinfo_build_skb from rtmsg_ifinfo+0x50/0x88
> 	 rtmsg_ifinfo from __dev_notify_flags+0xc0/0xec
> 	 __dev_notify_flags from dev_change_flags+0x50/0x5c
> 	 dev_change_flags from ip_auto_config+0x2f4/0x1260
> 	 ip_auto_config from do_one_initcall+0x70/0x35c
> 	 do_one_initcall from kernel_init_freeable+0x2ac/0x308
> 	 kernel_init_freeable from kernel_init+0x1c/0x138
> 	 kernel_init from ret_from_fork+0x14/0x2c
> 
> [...]

Here is the summary with links:
  - [v2] net: stmmac: fix incorrect rxq|txq_stats reference
    https://git.kernel.org/netdev/net/c/8070274b472e

You are awesome, thank you!
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