From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6FA113B2A0 for ; Tue, 25 Nov 2025 03:30:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764041445; cv=none; b=t4xPexHHHCq6w372p7Kb4pFjA5h3zvVcF0MVVnFX5/nR+sVhmzKmQL5LSkyQmrx3JChWQaF+0NXd3/WThc8PGLIfHRmcknUgIsqiQwnzSYmyJEjlupa060MwfLsaJb7gKgJ92kV2g090iSDSS8yjXwwlv3JcdD1k/ldz+HXkHu8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764041445; c=relaxed/simple; bh=Hb9qcQEvsFkWMcf71mkDzO9+31f3zEiOXoEdUdGpepE=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=Ok7mThJPg5205GPh8tcYMpGt9+zGqOKf8VgxRAfTGWPL/znl2vxIH1oJ25NAAWuh4HWYtgCnSu7eZq/aKx+N7mK0tHMNVbbBGw/lBKSbgAEFPSzYOB8m4qcbAhWEew7XkDZaETdfjdVJSlUIwQR+Ckt3g3eAHyJvG93Ho0h0vso= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=QKOOSggi; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="QKOOSggi" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E6193C4CEF1; Tue, 25 Nov 2025 03:30:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1764041444; bh=Hb9qcQEvsFkWMcf71mkDzO9+31f3zEiOXoEdUdGpepE=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=QKOOSggi2F4/Vd9YPL5CD5c2cPoqwoHNrzJlsp6FqGYg02jJliwJ3GzNTHeqAhsIN O8FMCG9Rh58Wv5nNPwuPgEDzim2zKoVVcuncylbKZ/xHBeCF3QLs/G2LLAvrCDQ8ng zPtay4z1/xmlpb0gBy2pUZcVCGlu/OO7y6ARfBgB5TdsRBsljzXvuxHDx7yFqq8nIR pY0BvtyUWsEL06yUqAD1JdAr9zPRE9Oq6GGBP9k15Jw3vHqwqdyswJ5NrigISwU85E tZ5JJrM0v0kN4b8ITWePHjBVU2EVdqZgOMCIuM8EtJc6zgbOSpsXka1YO6Le888CDw WhG+H9qzQhgcw== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id EB1413A8A3CA; Tue, 25 Nov 2025 03:30:08 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net-next] net: optimize eth_type_trans() vs CONFIG_STACKPROTECTOR_STRONG=y From: patchwork-bot+netdevbpf@kernel.org Message-Id: <176404140776.172437.10107001254735892374.git-patchwork-notify@kernel.org> Date: Tue, 25 Nov 2025 03:30:07 +0000 References: <20251121061725.206675-1-edumazet@google.com> In-Reply-To: <20251121061725.206675-1-edumazet@google.com> To: Eric Dumazet Cc: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, kuniyu@google.com, willemb@google.com, netdev@vger.kernel.org, eric.dumazet@gmail.com Hello: This patch was applied to netdev/net-next.git (main) by Jakub Kicinski : On Fri, 21 Nov 2025 06:17:25 +0000 you wrote: > Some platforms exhibit very high costs with CONFIG_STACKPROTECTOR_STRONG=y > when a function needs to pass the address of a local variable to external > functions. > > eth_type_trans() (and its callers) is showing this anomaly on AMD EPYC 7B12 > platforms (and maybe others). > > [...] Here is the summary with links: - [net-next] net: optimize eth_type_trans() vs CONFIG_STACKPROTECTOR_STRONG=y https://git.kernel.org/netdev/net-next/c/ec1e48e97feb You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html