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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2FAA0EB64D9 for ; Fri, 7 Jul 2023 20:12:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232604AbjGGUMC (ORCPT ); Fri, 7 Jul 2023 16:12:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42954 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231849AbjGGUL5 (ORCPT ); Fri, 7 Jul 2023 16:11:57 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4F361E7 for ; Fri, 7 Jul 2023 13:11:56 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id E16E561A60 for ; Fri, 7 Jul 2023 20:11:55 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3AC04C433C7; Fri, 7 Jul 2023 20:11:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1688760715; bh=jKo28P5HV3huYNhdbs8CrynC8kwaskD/XuMhE1Lu5v8=; h=Date:To:From:Subject:From; b=1QYpzMBKFnaXoueb183zhWBqwqwE4aYroOCUGPY3IumaqrDjnJki5TiEyZevj/pWt AbbRW7v7mVOCpHMBzyMUzUq9AiyRi9Nd31WbPiQsqXfqEmo15i6nI/naZWFQXMYorN 8ETfHPl+2/qAkLYIf/fJr1gVyLma4Ideu1GDt3u8= Date: Fri, 07 Jul 2023 13:11:54 -0700 To: mm-commits@vger.kernel.org, tsbogend@alpha.franken.de, sourabhjain@linux.ibm.com, glaubitz@physik.fu-berlin.de, geert@linux-m68k.org, agordeev@linux.ibm.com, eric.devolder@oracle.com, akpm@linux-foundation.org From: Andrew Morton Subject: + arm-kexec-refactor-for-kernel-kconfigkexec.patch added to mm-nonmm-unstable branch Message-Id: <20230707201155.3AC04C433C7@smtp.kernel.org> Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org The patch titled Subject: arm/kexec: refactor for kernel/Kconfig.kexec has been added to the -mm mm-nonmm-unstable branch. Its filename is arm-kexec-refactor-for-kernel-kconfigkexec.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/arm-kexec-refactor-for-kernel-kconfigkexec.patch This patch will later appear in the mm-nonmm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Eric DeVolder Subject: arm/kexec: refactor for kernel/Kconfig.kexec Date: Thu, 6 Jul 2023 18:20:17 -0400 The kexec and crash kernel options are provided in the common kernel/Kconfig.kexec. Utilize the common options and provide the ARCH_SUPPORTS_ and ARCH_SELECTS_ entries to recreate the equivalent set of KEXEC and CRASH options. Link: https://lkml.kernel.org/r/20230706222027.189117-4-eric.devolder@oracle.com Signed-off-by: Eric DeVolder Cc: Alexander Gordeev Cc: Geert Uytterhoeven Cc: John Paul Adrian Glaubitz Cc: Sourabh Jain Cc: Thomas Bogendoerfer Signed-off-by: Andrew Morton --- arch/arm/Kconfig | 29 ++++------------------------- 1 file changed, 4 insertions(+), 25 deletions(-) --- a/arch/arm/Kconfig~arm-kexec-refactor-for-kernel-kconfigkexec +++ a/arch/arm/Kconfig @@ -1645,20 +1645,8 @@ config XIP_DEFLATED_DATA copied, saving some precious ROM space. A possible drawback is a slightly longer boot delay. -config KEXEC - bool "Kexec system call (EXPERIMENTAL)" - depends on (!SMP || PM_SLEEP_SMP) - depends on MMU - select KEXEC_CORE - help - kexec is a system call that implements the ability to shutdown your - current kernel, and to start another kernel. It is like a reboot - but it is independent of the system firmware. And like a reboot - you can start any kernel with it, not just Linux. - - It is an ongoing process to be certain the hardware in a machine - is properly shutdown, so do not be surprised if this code does not - initially work for you. +config ARCH_SUPPORTS_KEXEC + def_bool (!SMP || PM_SLEEP_SMP) && MMU config ATAGS_PROC bool "Export atags in procfs" @@ -1668,17 +1656,8 @@ config ATAGS_PROC Should the atags used to boot the kernel be exported in an "atags" file in procfs. Useful with kexec. -config CRASH_DUMP - bool "Build kdump crash kernel (EXPERIMENTAL)" - help - Generate crash dump after being started by kexec. This should - be normally only set in special crash dump kernels which are - loaded in the main kernel with kexec-tools into a specially - reserved region and then later executed after a crash by - kdump/kexec. The crash dump kernel must be compiled to a - memory address not used by the main kernel - - For more details see Documentation/admin-guide/kdump/kdump.rst +config ARCH_SUPPORTS_CRASH_DUMP + def_bool y config AUTO_ZRELADDR bool "Auto calculation of the decompressed kernel image address" if !ARCH_MULTIPLATFORM _ Patches currently in -mm which might be from eric.devolder@oracle.com are kexec-consolidate-kexec-and-crash-options-into-kernel-kconfigkexec.patch x86-kexec-refactor-for-kernel-kconfigkexec.patch arm-kexec-refactor-for-kernel-kconfigkexec.patch ia64-kexec-refactor-for-kernel-kconfigkexec.patch arm64-kexec-refactor-for-kernel-kconfigkexec.patch loongarch-kexec-refactor-for-kernel-kconfigkexec.patch m68k-kexec-refactor-for-kernel-kconfigkexec.patch mips-kexec-refactor-for-kernel-kconfigkexec.patch parisc-kexec-refactor-for-kernel-kconfigkexec.patch powerpc-kexec-refactor-for-kernel-kconfigkexec.patch riscv-kexec-refactor-for-kernel-kconfigkexec.patch s390-kexec-refactor-for-kernel-kconfigkexec.patch sh-kexec-refactor-for-kernel-kconfigkexec.patch