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 631956F2F2 for ; Thu, 5 Feb 2026 12:07:40 +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=1770293260; cv=none; b=Q/z0s9M76EFakiNEsnrjCVwPcqu8jnsY6KsNKueR5eZdFPhijCC2Lrg+Kc4VGU9ALp2DYR3tuobRCfakWh5Fohpy9ZHYIJgRKnByXrtmJsltyLnvXx8TeNu/P9KN+mxo+NZo3LQ0VmyYy1eOgqIHmzhxakOud1PPbp14aUO33To= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770293260; c=relaxed/simple; bh=USZjMF2uDudzrWx2aaXsQw6nMyPHB2+q262sbNDoLn4=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=SvxzOzUi1NXbjLAGRJU/UR+1ffWK56iipt2xlN7sUOODvJMzXGueSMVbBgGMRs+RA/oI7fdqNg/bkVys6VupQNqsGklmjlgetlt7u3RKYG+XTDC3MRXWxSZ0uMvqrJD8bU1Vs5idGsLGNIsUtlEf0Y4ugAeQ4aP5vugojmwRDVw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=DFvzsIYx; 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="DFvzsIYx" Received: by smtp.kernel.org (Postfix) with ESMTPSA id ACBE7C4CEF7; Thu, 5 Feb 2026 12:07:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1770293259; bh=USZjMF2uDudzrWx2aaXsQw6nMyPHB2+q262sbNDoLn4=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=DFvzsIYxgR2MtAHwKth/Kl3P0m4eOawG12gj+4tznxjpe91NxYfQwIlSAuSWWhq6K kFLSPPanEPPubcIXYoMxgz5+kuwYULQcdnxBPS9egPqBz+7gF6n/LOLs0t1PurXBKq I4C28mtE0mtNpgySst4M15hvJdAewwhHUzMt96/KqjaLEWwozB9WpFfc1/1ntfj34h H8oFhzMyri1JUe3gowU9/NDcRn/R9mW86qYVQedAbw45uazG9IF3/29wO80bvzaKrt ASr8zu9smInohZmSEiPqau1mFAoplslbPG3iNEIku0aFrmyA1i0Aj1yn3lF4rRNMxT 6PC1xqwitzE6Q== From: Pratyush Yadav To: Mike Rapoport Cc: Sasha Levin , pasha.tatashin@soleen.com, pratyush@kernel.org, linux-kernel@vger.kernel.org, surenb@google.com Subject: Re: [PATCH] kexec: allow KEXEC_HANDOVER to build with COMPILE_TEST In-Reply-To: (Mike Rapoport's message of "Thu, 5 Feb 2026 14:00:00 +0200") References: <20260204182816.2463931-1-sashal@kernel.org> Date: Thu, 05 Feb 2026 13:07:36 +0100 Message-ID: <2vxz8qd7z94n.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 Thu, Feb 05 2026, Mike Rapoport wrote: > On Wed, Feb 04, 2026 at 01:28:16PM -0500, Sasha Levin wrote: >> Currently allmodconfig sets CONFIG_DEFERRED_STRUCT_PAGE_INIT which prevents KHO >> from building. >> >> Signed-off-by: Sasha Levin >> --- >> kernel/liveupdate/Kconfig | 8 ++++---- >> 1 file changed, 4 insertions(+), 4 deletions(-) >> >> diff --git a/kernel/liveupdate/Kconfig b/kernel/liveupdate/Kconfig >> index d2aeaf13c3acb..355b43492b8a4 100644 >> --- a/kernel/liveupdate/Kconfig >> +++ b/kernel/liveupdate/Kconfig >> @@ -1,14 +1,14 @@ >> # SPDX-License-Identifier: GPL-2.0-only >> >> menu "Live Update and Kexec HandOver" >> - depends on !DEFERRED_STRUCT_PAGE_INIT >> + depends on !DEFERRED_STRUCT_PAGE_INIT || COMPILE_TEST >> >> config KEXEC_HANDOVER >> bool "kexec handover" >> - depends on ARCH_SUPPORTS_KEXEC_HANDOVER && ARCH_SUPPORTS_KEXEC_FILE >> - depends on !DEFERRED_STRUCT_PAGE_INIT >> + depends on (ARCH_SUPPORTS_KEXEC_HANDOVER && ARCH_SUPPORTS_KEXEC_FILE) || COMPILE_TEST > > I don't think we want to build this for all architectures. > Let's keep depends on ARCH_ as it was. Yep. All these test robot warnings are because a bunch of KHO/LUO code assumes 64-bit arch. > >> + depends on !DEFERRED_STRUCT_PAGE_INIT || COMPILE_TEST >> select MEMBLOCK_KHO_SCRATCH >> - select KEXEC_FILE >> + select KEXEC_FILE if ARCH_SUPPORTS_KEXEC_FILE If arch does not support kexec_file we can't use KHO at all anyway. So I am not sure if this makes sense. >> select LIBFDT >> select CMA >> help >> -- >> 2.51.0 >> -- Regards, Pratyush Yadav