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Subject: Re: [PATCH V4 net] net: mana: Fix error handling in mana_create_txq/rxq's
 NAPI cleanup
From: patchwork-bot+netdevbpf@kernel.org
Message-Id: 
 <172544762877.964331.4773742631498321794.git-patchwork-notify@kernel.org>
Date: Wed, 04 Sep 2024 11:00:28 +0000
References: <1725281027-29331-1-git-send-email-schakrabarti@linux.microsoft.com>
In-Reply-To: <1725281027-29331-1-git-send-email-schakrabarti@linux.microsoft.com>
To: Souradeep Chakrabarti <schakrabarti@linux.microsoft.com>
Cc: kys@microsoft.com, haiyangz@microsoft.com, wei.liu@kernel.org,
 decui@microsoft.com, davem@davemloft.net, longli@microsoft.com,
 ssengar@linux.microsoft.com, linux-hyperv@vger.kernel.org,
 netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
 linux-rdma@vger.kernel.org, schakrabarti@microsoft.com,
 stable@vger.kernel.org

Hello:

This patch was applied to netdev/net.git (main)
by David S. Miller <davem@davemloft.net>:

On Mon,  2 Sep 2024 05:43:47 -0700 you wrote:
> Currently napi_disable() gets called during rxq and txq cleanup,
> even before napi is enabled and hrtimer is initialized. It causes
> kernel panic.
> 
> ? page_fault_oops+0x136/0x2b0
>   ? page_counter_cancel+0x2e/0x80
>   ? do_user_addr_fault+0x2f2/0x640
>   ? refill_obj_stock+0xc4/0x110
>   ? exc_page_fault+0x71/0x160
>   ? asm_exc_page_fault+0x27/0x30
>   ? __mmdrop+0x10/0x180
>   ? __mmdrop+0xec/0x180
>   ? hrtimer_active+0xd/0x50
>   hrtimer_try_to_cancel+0x2c/0xf0
>   hrtimer_cancel+0x15/0x30
>   napi_disable+0x65/0x90
>   mana_destroy_rxq+0x4c/0x2f0
>   mana_create_rxq.isra.0+0x56c/0x6d0
>   ? mana_uncfg_vport+0x50/0x50
>   mana_alloc_queues+0x21b/0x320
>   ? skb_dequeue+0x5f/0x80
> 
> [...]

Here is the summary with links:
  - [V4,net] net: mana: Fix error handling in mana_create_txq/rxq's NAPI cleanup
    https://git.kernel.org/netdev/net/c/b6ecc6620376

You are awesome, thank you!
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