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 7DFBD606A31A for ; Sat, 31 Oct 2026 08:55:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=YbZOt1DS; dkim=pass (1024-bit key, unprotected) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=iew1UTn3 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:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Unsubscribe-Post:List-Owner; bh=r7ldF0+SFDf2U5rthJYo7X+jFoAp1G2D38xbh/n0Tfk=; b=YbZOt1DSxPUGTjLtOizZ6cdc/d UWJHBZJqHiOWZ7XzGsNaR07fGxH/Wql5gdmAYJlG8Zx1ODLY1QT7UMnmq1hWhFBOMTYmgtNADeRsX k9rmDja017YEaYqYlYOL0Abh3lSDWuIq9q7q8S5RYpQgSHMUtumrY0aXdGS2UYrvNMVvoyR4ZAsFr U5zRjTcrdykY/YmoiOp3xREjdQNNEbClVeTgSa182TXXqjeN3GVL2dlckAKh459w/MXKirBVAE4Ro dKiq0QGbzepUuxj4sSzAZT7qqlULTZk1audJUrm0q1YAmuljYU2/MnsYk49GPI3HP8kNxGeSIFJaZ RpnbEhzw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xN4rl-0000000D6D6-3RKf; Sat, 31 Oct 2026 08:55:09 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.100.1 #2 (Red Hat Linux)) id 1xN4rj-0000000D6Cb-3WWn for linux-arm-kernel@lists.infradead.org; Sat, 31 Oct 2026 08:55:08 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 045B8600E4; Sat, 31 Oct 2026 08:55:07 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BB4481F000C1; Sat, 31 Oct 2026 08:55:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1793436906; bh=r7ldF0+SFDf2U5rthJYo7X+jFoAp1G2D38xbh/n0Tfk=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=iew1UTn3DVH5qDJ1jUeI8une6eJPuQAM6qZRyw8mzgsuKVIH7QSb9fVhddlx6aOuh xbRD5WncX4Bn8XcYI9HE0a+/5cYa4Qvc89MvIF/7VfHt+Bnyk8K+dWrzhizq22pVC8 SNjzPAyGO7egk5si3D1SSrzCMU4V6jjn1rB6GwWk= Date: Sat, 31 Oct 2026 09:54:55 +0100 From: Greg Kroah-Hartman To: Samarth Narang Cc: Jiri Slaby , Krzysztof Kozlowski , Peter Griffin , Alim Akhtar , Marek Szyprowski , Orson Zhai , Baolin Wang , Chunyan Zhang , Laxman Dewangan , Thierry Reding , Jonathan Hunter , linux-serial@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-tegra@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [BUG] serial: TX kfifo underflow when TCOFLUSH races with TX DMA (samsung, sprd, msm, pch_uart, tegra) Message-ID: <2026103122-repurpose-cost-2da7@gregkh> References: <20261031004733.3345841-1-samarth.colleges@gmail.com> X-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261031004733.3345841-1-samarth.colleges@gmail.com> 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=-5.9 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,SPF_HELO_NONE, SPF_PASS autolearn=no 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 On Sat, Oct 31, 2026 at 12:47:33AM +0000, Samarth Narang wrote: > I would be happy to prepare separate patches for the affected drivers if > the maintainers agree with the analysis. Always just send us patches, after testing them, you never need to ask if you should do so. thanks, greg k-h