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 3D80132F751; Tue, 20 Jan 2026 16:14:04 +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=1768925647; cv=none; b=pNOhNW71pJiQkVG/9UKQ/91r3MiWt2DMkNiLmm2mrlQ1WSvEkvp6JY8s2+/ixJeuokMtvF6tlzKv0ZS4aEpxzJ+bY87M9LIXCXjdVn3n+Dph6MYc18pC8zz6OTSZfMBWsfaLUfGPx9ATmOpR0/pq4yfcP8bFO3eX7qLKxFZ9N8g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768925647; c=relaxed/simple; bh=C1IvwOEB2IeBsljjj1U5exHtGWqVJB2lEhayoPqkk5Y=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=BaOFEINDwjO+q8kfPaeP3iRxwubByR906hbIJMQIQ707+jjB9DKov0d0n6DmCMTMLvI2QY6G3iUMdIRMq4/miA4si5QG4aWProFkG+qaDK7IenOe0YFsO5kthuSi+sdl2rOI0L9QGjI7qmzY/U7Bxlc894if9+/cAdVQJk3O8DA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=dV47J2SI; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="dV47J2SI" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CF835C16AAE; Tue, 20 Jan 2026 16:14:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768925644; bh=C1IvwOEB2IeBsljjj1U5exHtGWqVJB2lEhayoPqkk5Y=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=dV47J2SIEbcMdZkZ9Lifr8FksIvm38/wEBwH1gTlZgjkovIsgQnrHeducibOmFi2u 0MXW3RUHb176VYbMK+JyeNcRLKwK0htuCP642Do6W9esCNrZRZeWgKmjratMzZhxJr /Y/U7vCLf/7KDZtCnyqsm9dTVBjlTW7u7n4Y36QbguNVCx+fcoocx9lfyB/wYY22GI YQxLDv4C46PPgDTux/jLnKScOureFjXjQ3T6yun1zCpFJ4Tb4SkyPicZP67prLnJsO 81We6TisKb/KfU/+uDFPsfyFCg9wnY9yaM5CIJw6/dHdUdK9aIvJTFBmcf7RmuOPU6 LE8IcaGoozNaQ== From: Pratyush Yadav To: Mike Rapoport Cc: Andrew Morton , Alexander Graf , Jason Miu , Jonathan Corbet , Pasha Tatashin , Pratyush Yadav , kexec@lists.infradead.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH 4/6] kho: Introduce KHO FDT ABI header In-Reply-To: <20260105165839.285270-5-rppt@kernel.org> (Mike Rapoport's message of "Mon, 5 Jan 2026 18:58:37 +0200") References: <20260105165839.285270-1-rppt@kernel.org> <20260105165839.285270-5-rppt@kernel.org> Date: Tue, 20 Jan 2026 16:14:01 +0000 Message-ID: <2vxz3440dzxy.fsf@kernel.org> User-Agent: Gnus/5.13 (Gnus v5.13) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain On Mon, Jan 05 2026, Mike Rapoport wrote: > From: Jason Miu > > Introduce the `include/linux/kho/abi/kexec_handover.h` header file, > which defines the stable ABI for the KHO mechanism. This header specifies > how preserved data is passed between kernels using an FDT. > > The ABI contract includes the FDT structure, node properties, and the > "kho-v1" compatible string. By centralizing these definitions, this > header serves as the foundational agreement for inter-kernel > communication of preserved states, ensuring forward compatibility and > preventing misinterpretation of data across kexec transitions. > > Since the ABI definitions are now centralized in the header files, the > YAML files that previously described the FDT interfaces are > redundant. These redundant files have therefore been removed. > > Signed-off-by: Jason Miu > Co-developed-by: Mike Rapoport (Microsoft) > Signed-off-by: Mike Rapoport (Microsoft) Reviewed-by: Pratyush Yadav [...] -- Regards, Pratyush Yadav