From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793478670; b=fdgjHL3B5zKjwmM3KlF+Us4KZq78Sn9qVo5oQPYdw04l1XRKofVAsOey9OmWMz43hNes CwSflXmSDqMVB0TU94GSTovhGN3YJdFt7pKlmQEeoJIYEfL2ZDsDz0At3yj4SruDnHB3n JCrfma/T1CGBLpjUi4OTKoroUXX5WXkvtL0aljOCZph+W6RML/OOHJjDYWmag8f2+hWfa 3JuIUkqkCXYZx6epvmNm1ABetAIXJSHw41QbDA/18ekL0camdi29oFLGUAohI17gkwtJh mH3ax8eSF1mL1eRJSn5CxXezhVBWpMji+4AkKKTNcHDwyMRRLKnPDrNULzYROpcq9AQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793478670; h=Received:DKIM-Signature:Date:From:To:Cc:Subject:Message-ID: References:MIME-Version:Content-Type:Content-Disposition:In-Reply-To; bh=xOaXH4PEGmhU3k2OJSZ6CM7Z/muRblvptuHyGveShks=; b=bwGwtMn1OMqL0zfIJ4wYfny16M1W2B58p3qy3RBDhtQHyEOqZtiNrLDCbXakAwlfZMCG XxCO2qPDnwbJjBn5bM5bwYxbsYnHa/KkZKqdKg9lS6uET4m9wYBmRrVLII2lVGzVN457A IUTGvOtDHO8YFhZPJT/jXgCpXrNeRMrx5OiHckrgpW83wWZU4Hjd1a/AxnN+AoPDXOz24 hFSsp7b03IrsVikJ+n3PEMkA5gy25vVATsuAjc0cJq7UiBWCRzV3ODL8M3l79ONAUr2B4 vgMa44i9FhI5m54Wd6BLC+VsuxA+PhLeYWAL/plzAF/4XsbHqLW0vBQOI85d8xJaiOw== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=xU8X59Xq; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 88B43606A31A; Sat, 31 Oct 2026 20:31:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=xU8X59Xq Received: by smtp.kernel.org (Postfix) with ESMTPSA id 02AC71F000C1; Sat, 31 Oct 2026 20:31:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1793478670; bh=xOaXH4PEGmhU3k2OJSZ6CM7Z/muRblvptuHyGveShks=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=xU8X59XqFS9s9oMFP+Mmc4VXMicv9Ctg5b/6CRFpNACSy5sfp4YY/hbwrtCrYLinO pDji2Wtwn3/ny/K6wbl7Enw8UqekxC65wexyyiTmkMCqRZHsahAQOugm4s45TMhMxy gUqVsRzQKRRXg7DXYpQ4SwOxXoHgk6e119JZ9YNQ= Date: Sat, 31 Oct 2026 21:28:16 +0100 From: Greg Kroah-Hartman To: tianci xie Cc: Jiri Slaby , Krzysztof Kozlowski , Peter Griffin , Alim Akhtar , Marek Szyprowski , Samarth Narang , linux-serial@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/1] tty: serial: samsung: fix TX fifo underflow on flush race Message-ID: <2026103142-shorten-shindig-bedc@gregkh> References: <2026103122-repurpose-cost-2da7@gregkh> <20261031152656.1422-1-xiex16070@gmail.com> X-Mailing-List: linux-serial@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261031152656.1422-1-xiex16070@gmail.com> On Sat, Oct 31, 2026 at 11:26:55PM +0800, tianci xie wrote: > I do not have a Linux machine of my own. The x86_64 build above was run > on a rented Linux server, and the arm64 build was cross-compiled there > with a no-libc aarch64 toolchain; that is as far as I can take testing > without hardware. There is no Exynos or Apple board available to me, so > the model is what stands in for a runtime reproduction. If you would > rather have the flush modelled as a KUnit test in the tree, say so and I > will send that instead. Sorry, but stuff like this you are going to have to test on your own system. Why would you do linux kernel work without that? greg k-h