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Subject: Re: [PATCH net] net: mana: Fix RX buf alloc_size alignment and atomic op
 panic
From: patchwork-bot+netdevbpf@kernel.org
Message-Id: 
 <172346582650.1009420.18122025004130803028.git-patchwork-notify@kernel.org>
Date: Mon, 12 Aug 2024 12:30:26 +0000
References: <1723237284-7262-1-git-send-email-haiyangz@microsoft.com>
In-Reply-To: <1723237284-7262-1-git-send-email-haiyangz@microsoft.com>
To: Haiyang Zhang <haiyangz@microsoft.com>
Cc: linux-hyperv@vger.kernel.org, netdev@vger.kernel.org, decui@microsoft.com,
 stephen@networkplumber.org, kys@microsoft.com, paulros@microsoft.com,
 olaf@aepfle.de, vkuznets@redhat.com, davem@davemloft.net, wei.liu@kernel.org,
 edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, leon@kernel.org,
 longli@microsoft.com, ssengar@linux.microsoft.com,
 linux-rdma@vger.kernel.org, daniel@iogearbox.net, john.fastabend@gmail.com,
 bpf@vger.kernel.org, ast@kernel.org, hawk@kernel.org, tglx@linutronix.de,
 shradhagupta@linux.microsoft.com, linux-kernel@vger.kernel.org,
 stable@vger.kernel.org

Hello:

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

On Fri,  9 Aug 2024 14:01:24 -0700 you wrote:
> The MANA driver's RX buffer alloc_size is passed into napi_build_skb() to
> create SKB. skb_shinfo(skb) is located at the end of skb, and its alignment
> is affected by the alloc_size passed into napi_build_skb(). The size needs
> to be aligned properly for better performance and atomic operations.
> Otherwise, on ARM64 CPU, for certain MTU settings like 4000, atomic
> operations may panic on the skb_shinfo(skb)->dataref due to alignment fault.
> 
> [...]

Here is the summary with links:
  - [net] net: mana: Fix RX buf alloc_size alignment and atomic op panic
    https://git.kernel.org/netdev/net/c/32316f676b4e

You are awesome, thank you!
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