From: patchwork-bot+netdevbpf@kernel.org
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
Subject: Re: [PATCH net] net: mana: Fix RX buf alloc_size alignment and atomic op panic
Date: Mon, 12 Aug 2024 12:30:26 +0000 [thread overview]
Message-ID: <172346582650.1009420.18122025004130803028.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <1723237284-7262-1-git-send-email-haiyangz@microsoft.com>
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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prev parent reply other threads:[~2024-08-12 12:30 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-08-09 21:01 [PATCH net] net: mana: Fix RX buf alloc_size alignment and atomic op panic Haiyang Zhang
2024-08-10 13:53 ` Long Li
2024-08-12 12:30 ` patchwork-bot+netdevbpf [this message]
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