From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3B6F6606DA92 for ; Tue, 10 Nov 2026 02:55:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=mR5Widnz; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=cUAEMr8b DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References :Date:Message-Id:From:Subject:Content-Transfer-Encoding:MIME-Version: Content-Type:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Unsubscribe-Post: List-Owner; bh=9vkjXGj8E1tCNlK6OgtPkP9eLc/ViU7DdLFLKuqN8to=; b=mR5WidnzIulYS+ cr2heauL1kOdH+5Prjnbx4HH8n3fSy1O2kvWI/7Qs1h9hUcyl59VPibmKQ/KjLmZ6XIZ6PSs+wkAT gIvn6skDsAt8jstZUL53elk2yjd4N4J+M7vlGwCE/P0YZTw/pKhNHQVXf5FxxZdfQ6N6IaT9SaZK/ A8N26vXO4uvI/oOgtep8uASjMKEkn3TYIv6KJ3jNhYsZYZbAsQcxkk2LdDeOoBtyg1JfW3oM83XdD d7kxWZ7ZSNASak8wnaKuP45uL5i9eQQ5Bj5+AmQP1Ban+l2GIWje3yE8+o759BytQV3GweBYh3ptn e77JnOhHoN+8Qgnumgrg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xQc16-00000002DGt-0bod; Tue, 10 Nov 2026 02:55:24 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.100.1 #2 (Red Hat Linux)) id 1xQc0v-00000002DFG-2Ea7 for linux-arm-kernel@lists.infradead.org; Tue, 10 Nov 2026 02:55:13 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 4CA0D4607D; Tue, 10 Nov 2026 02:55:13 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2BFAF1F008A1; Tue, 10 Nov 2026 02:55:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794279313; bh=9vkjXGj8E1tCNlK6OgtPkP9eLc/ViU7DdLFLKuqN8to=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=cUAEMr8b64rh70D72PomBwr2MzTeqij9ATCHIUOQjtCMakmsEPqsJM0WwmXG4SyhW 76okAytmrvxTZ5H1/sbDr2i+KgoJyCHoamNjilRivfJt+RbbBvdIS8jff+2e/vF6S0 +BJw2XZavkKKfC6zTcMWq2iUGAbN57m1untgackBKVzNugZQUMhQqUZb9S0ShLF8LX k88qaIGyJsyj1lYsO0CKNzGFukK8ZV6oEwkysiNx15pnWDCyHAaaKOyu6a8Ns6xpBm dtFG21iX4HH4rHatekH06i19kwG1/UHR2HqMPpd8xj705XJCGIv3qpjfXyPw8gUX/A Abj5vR7+p+4KQ== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 21110391AFCB; Tue, 10 Nov 2026 02:55:13 +0000 (UTC) Content-Type: text/plain; charset="utf-8" X-Archived-By: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net] net: stmmac: keep est_lock across PTP clock adjustment From: patchwork-bot+netdevbpf@kernel.org Message-Id: <179427931167.3612825.9963746260177679514.git-patchwork-notify@kernel.org> Date: Tue, 10 Nov 2026 02:55:11 +0000 References: <20261102-stmmac-ptp-est-lock-v1-1-76fbc0cb230d@oss.qualcomm.com> In-Reply-To: <20261102-stmmac-ptp-est-lock-v1-1-76fbc0cb230d@oss.qualcomm.com> To: Lorenzo Bianconi Cc: maxime.chevallier@bootlin.com, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@kernel.org, kuba@kernel.org, pabeni@redhat.com, mcoquelin.stm32@gmail.com, alexandre.torgue@foss.st.com, richardcochran@gmail.com, netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" X-Spam-Status: No, score=-10.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 Hello: This patch was applied to netdev/net-next.git (main) by Jakub Kicinski : On Mon, 02 Nov 2026 18:37:56 +0100 you wrote: > stmmac_adjust_time() disables EST, drops est_lock to step the PTP clock, > and then reacquires the lock to reprogram EST using a base time computed > from the new clock value. > > That leaves a window where a concurrent tc_taprio_configure() can program > EST enabled with a base time derived from the pre-step clock. The gate > schedule then runs across the PTP step with a stale base time until > stmmac_adjust_time() reprograms it. > > [...] Here is the summary with links: - [net] net: stmmac: keep est_lock across PTP clock adjustment https://git.kernel.org/netdev/net-next/c/b0816917a4f7 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html