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Subject: Re: [PATCH net-next v2] net: mana: Use at least SZ_4K in doorbell ID
 range check
From: patchwork-bot+netdevbpf@kernel.org
Message-Id: 
 <177467041728.4173055.1408491076465694587.git-patchwork-notify@kernel.org>
Date: Sat, 28 Mar 2026 04:00:17 +0000
References: <20260325180423.1923060-1-ernis@linux.microsoft.com>
In-Reply-To: <20260325180423.1923060-1-ernis@linux.microsoft.com>
To: Erni Sri Satya Vennela <ernis@linux.microsoft.com>
Cc: kys@microsoft.com, haiyangz@microsoft.com, wei.liu@kernel.org,
 decui@microsoft.com, longli@microsoft.com, andrew+netdev@lunn.ch,
 davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com,
 horms@kernel.org, shradhagupta@linux.microsoft.com, kotaranov@microsoft.com,
 dipayanroy@linux.microsoft.com, yury.norov@gmail.com, kees@kernel.org,
 linux-hyperv@vger.kernel.org, netdev@vger.kernel.org,
 linux-kernel@vger.kernel.org

Hello:

This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@kernel.org>:

On Wed, 25 Mar 2026 11:04:17 -0700 you wrote:
> mana_gd_ring_doorbell() accesses offsets up to DOORBELL_OFFSET_EQ
> (0xFF8) + 8 bytes = 4KB within each doorbell page. A db_page_size
> smaller than SZ_4K is fundamentally incompatible with the driver:
> doorbell pages would overlap and the device cannot function correctly.
> 
> Validate db_page_size at the source and fail the
> probe early if the value is below SZ_4K. This ensures the doorbell ID
> range check in mana_gd_register_device() can rely on db_page_size
> being valid.
> 
> [...]

Here is the summary with links:
  - [net-next,v2] net: mana: Use at least SZ_4K in doorbell ID range check
    https://git.kernel.org/netdev/net-next/c/fb4b4a05aeeb

You are awesome, thank you!
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