From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 75127CE8D51 for ; Fri, 14 Nov 2025 16:17:40 +0000 (UTC) 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-Owner; bh=LzmaurRwXd/FUfjWlIvyc9JKRHbFyjNcTaJdND6zQwk=; b=yxpa1BIqlEfCCNlLqYDp/0ZCse Xz/3nF++8ubp762PQlX4NxGEqjicYar/afylrnLJbrDfvLLfWowcYlABGgI/l8S68GhTmNc3kTVhX bOuoS5yb6zksPZ5W2Lif2QU5wu6s/RAgjouq35X90oukBPcEvzBHOIAgkq54bXpDH0Bcv+RG6vfUU j5+A81baA3Aj+03oThKUBj7vsk+SMcA4ASi4Kkm5T0U6ZGQRZvD12GDiGzRCmLRga2xY+s/6Cy/nT gI4cOLEYwkU4sPRTAWB4CwAMrckNdMZ8xJjkSZi12sCR/GBuW83SwJADIg/qTpu+VcBJFWPFSMmni 43MEL0wA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vJwUT-0000000Ciu1-48Xo; Fri, 14 Nov 2025 16:17:37 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vJwUS-0000000Citc-1E7X for kexec@lists.infradead.org; Fri, 14 Nov 2025 16:17:36 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id AFFA960150; Fri, 14 Nov 2025 16:17:35 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1FFD7C4CEF5; Fri, 14 Nov 2025 16:17:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1763137055; bh=1TP2PBihBm/xACDWaGTPWhNWAdDdBhE5Owp0RpW0KBw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=bwrPhz/H4pWI6GRx+uoYSdBmXA78z+aVv88xUzOIT17tPfm2Ur79PxBbmFmETirvN 6/z2xXhyZKz1WEYyTa9ySylU39jBcxrcd/LaesSsiSgm4WZeP5HMBWX76VJ2mMVnlV 3HVMlBc9re1Z4MtzUQv3z5aLXfQ6beeJ7DdK6fPjtwRoTDJaSFg4Tv1P0K365g6Xnz lL5wkoVXSMH235A+WDbEaMuUz7+vSIAbl8IqCGrTyxL+ATr3C2IxBwOLW2pnNP+C31 TyvqXGWFVQiKzXHNB8RLx5qPpjPiSbEfZvQ7k5koLM845Ed7SdKJFdjXQ9df1LX8I1 j0YEIpr35ql2w== Date: Fri, 14 Nov 2025 18:17:27 +0200 From: Mike Rapoport To: Pasha Tatashin Cc: akpm@linux-foundation.org, bhe@redhat.com, jasonmiu@google.com, arnd@arndb.de, coxu@redhat.com, dave@vasilevsky.ca, ebiggers@google.com, graf@amazon.com, kees@kernel.org, linux-kernel@vger.kernel.org, kexec@lists.infradead.org, linux-mm@kvack.org Subject: Re: [PATCH v1 00/13] kho: simplify state machine and enable dynamic updates Message-ID: References: <20251114155358.2884014-1-pasha.tatashin@soleen.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251114155358.2884014-1-pasha.tatashin@soleen.com> X-BeenThere: kexec@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "kexec" Errors-To: kexec-bounces+kexec=archiver.kernel.org@lists.infradead.org On Fri, Nov 14, 2025 at 10:53:45AM -0500, Pasha Tatashin wrote: > > This patch series refactors the Kexec Handover subsystem to transition > from a rigid, state-locked model to a dynamic, re-entrant architecture. > It also introduces usability improvements. > > Pasha Tatashin (13): > kho: Fix misleading log message in kho_populate() > kho: Convert __kho_abort() to return void > kho: Preserve FDT folio only once during initialization > kho: Verify deserialization status and fix FDT alignment access > kho: Always expose output FDT in debugfs > kho: Simplify serialization and remove __kho_abort > kho: Remove global preserved_mem_map and store state in FDT > kho: Remove abort functionality and support state refresh > kho: Update FDT dynamically for subtree addition/removal > kho: Allow kexec load before KHO finalization > kho: Allow memory preservation state updates after finalization > kho: Add Kconfig option to enable KHO by default > kho: Introduce high-level memory allocation API For the series: Reviewed-by: Mike Rapoport (Microsoft) with small nits in patches 9 and 13 in replies to them. > > include/linux/kexec_handover.h | 22 +- > kernel/liveupdate/Kconfig | 14 + > kernel/liveupdate/kexec_handover.c | 338 ++++++++++++-------- > kernel/liveupdate/kexec_handover_debugfs.c | 2 +- > kernel/liveupdate/kexec_handover_internal.h | 1 - > 5 files changed, 232 insertions(+), 145 deletions(-) > > -- > 2.52.0.rc1.455.g30608eb744-goog > -- Sincerely yours, Mike.