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 6F281AD22 for ; Fri, 26 May 2023 08:00:20 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 10147C433D2; Fri, 26 May 2023 08:00:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1685088020; bh=hu6W9zW97QJlO3dSfOzQjWd8snr1H2TZDggywhutmRg=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=ia735RjCykPUJaNYYeaTYEr7VMTWbLmUBCWJhaHM5ZOz954/NXfaqen14EAdcOxmA RPuQmBcaEP/U7nFS81cBFLECJzIos0o1WWu0TpfCJLI6/SXyvJdGwRGIHe0FlHpSbZ oBPTbf5NuYjCNGmlmgw4pLPuRVM6nuUNWBgj9jPkseF6+TGDdi3hfd2DgaSXESnMDd O4fDBocLuQ+nGnVczFf8NzlmFy3xXqSHGlyKiT3SlmrJciJ0S7/mHyN8DrqPgreLIU y1S4hR6ljJSDlTOk1B/pBB1BBmRKkjPUNB0LCBBARE7lgmsTRjhaSUnJy3UWAdIdbm cfwxFd7psA12w== Received: from aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (Postfix) with ESMTP id DB950E22B06; Fri, 26 May 2023 08:00:19 +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/core: Enable socket busy polling on -RT From: patchwork-bot+netdevbpf@kernel.org Message-Id: <168508801989.27133.16510786217140929718.git-patchwork-notify@kernel.org> Date: Fri, 26 May 2023 08:00:19 +0000 References: <20230523111518.21512-1-kurt@linutronix.de> In-Reply-To: <20230523111518.21512-1-kurt@linutronix.de> To: Kurt Kanzenbach Cc: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, netdev@vger.kernel.org, bigeasy@linutronix.de Hello: This patch was applied to netdev/net-next.git (main) by David S. Miller : On Tue, 23 May 2023 13:15:18 +0200 you wrote: > Busy polling is currently not allowed on PREEMPT_RT, because it disables > preemption while invoking the NAPI callback. It is not possible to acquire > sleeping locks with disabled preemption. For details see commit > 20ab39d13e2e ("net/core: disable NET_RX_BUSY_POLL on PREEMPT_RT"). > > However, strict cyclic and/or low latency network applications may prefer busy > polling e.g., using AF_XDP instead of interrupt driven communication. > > [...] Here is the summary with links: - [net-next] net/core: Enable socket busy polling on -RT https://git.kernel.org/netdev/net-next/c/c857946a4e26 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html