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 CF1371F95A; Fri, 7 Feb 2025 00:29:41 +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=1738888183; cv=none; b=G5dcMp+NXvLOHbNY7bv86XrUeg9oIlMdp3SxMe8efXM7uxXNT5GrdU7cgTV0p9pNiK4Jo/wjLfPpTKsSl7DsdtebibNDmjZJV8Wt4cxWc09/X61+vwGmVR146SLJhbOxo/NEb5yauvJ0DppxcgKkaRTZcpCK7A45aGa+kJCMTyQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738888183; c=relaxed/simple; bh=394j8Z0b6091bH8cpo4/leUwPDluUyEIe29eznp9v/Y=; h=Date:From:To:Cc:Subject:Message-Id:In-Reply-To:References: Mime-Version:Content-Type; b=GXw3/nHaFmSjaNazoM9ZNu5cHSV29aOls8/JwUW7//7XLdmnCr0bQ7KsN6RvFQqai8Z/xGzvEnTPaCGiCdm8vSRRzktF/H3UTRvKl5hfHZfJlLE5rBoyTjJS+G7IzRNL12UJfyUM1atPz8RjbD5cd3RJ332nRooHJU/MsPHq8sg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=cH6Wfmxn; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="cH6Wfmxn" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 09692C4CEDF; Fri, 7 Feb 2025 00:29:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1738888181; bh=394j8Z0b6091bH8cpo4/leUwPDluUyEIe29eznp9v/Y=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=cH6WfmxnF52p9Zequ1wu7UNwiFQG9Q9DFgHs3+QDdI63nHyM6sfGRF6ORytziBHBG 1svUtzspmlPno7QIYJtnR9zgKZPtG9f9VRRcOxc9zMOT1pNOcS0MkqJE4BtWRzysLo MVYoEEfJiWjb8IfK5tW9plqHYJnc6c1PwQKhrUMc= Date: Thu, 6 Feb 2025 16:29:39 -0800 From: Andrew Morton To: Mike Rapoport Cc: linux-kernel@vger.kernel.org, Alexander Graf , Andy Lutomirski , Anthony Yznaga , Arnd Bergmann , Ashish Kalra , Benjamin Herrenschmidt , Borislav Petkov , Catalin Marinas , Dave Hansen , David Woodhouse , Eric Biederman , Ingo Molnar , James Gowans , Jonathan Corbet , Krzysztof Kozlowski , Mark Rutland , Paolo Bonzini , Pasha Tatashin , "H. Peter Anvin" , Peter Zijlstra , Pratyush Yadav , Rob Herring , Rob Herring , Saravana Kannan , Stanislav Kinsburskii , Steven Rostedt , Thomas Gleixner , Tom Lendacky , Usama Arif , Will Deacon , devicetree@vger.kernel.org, kexec@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, linux-mm@kvack.org, x86@kernel.org Subject: Re: [PATCH v4 00/14] kexec: introduce Kexec HandOver (KHO) Message-Id: <20250206162939.a1f86fb835f1eeb7ed73ff1c@linux-foundation.org> In-Reply-To: <20250206132754.2596694-1-rppt@kernel.org> References: <20250206132754.2596694-1-rppt@kernel.org> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Thu, 6 Feb 2025 15:27:40 +0200 Mike Rapoport wrote: > This a next version of Alex's "kexec: Allow preservation of ftrace buffers" > series (https://lore.kernel.org/all/20240117144704.602-1-graf@amazon.com), > just to make things simpler instead of ftrace we decided to preserve > "reserve_mem" regions. > > The patches are also available in git: > https://git.kernel.org/rppt/h/kho/v4 > > > Kexec today considers itself purely a boot loader: When we enter the new > kernel, any state the previous kernel left behind is irrelevant and the > new kernel reinitializes the system. I tossed this into mm.git for some testing and exposure. What merge path are you anticipating? Review activity seems pretty thin thus far?