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 589D6EB64DA for ; Fri, 7 Jul 2023 20:12:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229800AbjGGUMD (ORCPT ); Fri, 7 Jul 2023 16:12:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42966 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232566AbjGGUMA (ORCPT ); Fri, 7 Jul 2023 16:12:00 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BA2341FE7 for ; Fri, 7 Jul 2023 13:11:59 -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 59A4861A34 for ; Fri, 7 Jul 2023 20:11:59 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id AE60AC433CA; Fri, 7 Jul 2023 20:11:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1688760718; bh=X5S65OY41McKJkC1UhD2PgGHTUu748WQufdL1mRfGXQ=; h=Date:To:From:Subject:From; b=csUaHCT6jLxMaJ+YNDRLAY6673slRDiLFn5Rc8DHgbIjiiWjyQxebs3+/bPohNsI8 8Ug2trC3Ke/DnV9SYeBX7A2Mo7SAvnP85jkGsx14ZNu/sO3NU8065XOnV6S2baCBYL +p/xCtCMCSesbHVQQ3mgkPBjz83qHYe4/wKpGpg4= Date: Fri, 07 Jul 2023 13:11:58 -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: + arm64-kexec-refactor-for-kernel-kconfigkexec.patch added to mm-nonmm-unstable branch Message-Id: <20230707201158.AE60AC433CA@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: arm64/kexec: refactor for kernel/Kconfig.kexec has been added to the -mm mm-nonmm-unstable branch. Its filename is arm64-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/arm64-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: arm64/kexec: refactor for kernel/Kconfig.kexec Date: Thu, 6 Jul 2023 18:20:19 -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/20230706222027.189117-6-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/arm64/Kconfig | 70 +++++++++++-------------------------------- 1 file changed, 19 insertions(+), 51 deletions(-) --- a/arch/arm64/Kconfig~arm64-kexec-refactor-for-kernel-kconfigkexec +++ a/arch/arm64/Kconfig @@ -1440,60 +1440,28 @@ config PARAVIRT_TIME_ACCOUNTING If in doubt, say N here. -config KEXEC - depends on PM_SLEEP_SMP - select KEXEC_CORE - bool "kexec system call" - 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. - -config KEXEC_FILE - bool "kexec file based system call" - select KEXEC_CORE - select HAVE_IMA_KEXEC if IMA - help - This is new version of kexec system call. This system call is - file based and takes file descriptors as system call argument - for kernel and initramfs as opposed to list of segments as - accepted by previous system call. +config ARCH_SUPPORTS_KEXEC + def_bool PM_SLEEP_SMP + +config ARCH_SUPPORTS_KEXEC_FILE + def_bool y -config KEXEC_SIG - bool "Verify kernel signature during kexec_file_load() syscall" +config ARCH_SELECTS_KEXEC_FILE + def_bool y depends on KEXEC_FILE - help - Select this option to verify a signature with loaded kernel - image. If configured, any attempt of loading a image without - valid signature will fail. - - In addition to that option, you need to enable signature - verification for the corresponding kernel image type being - loaded in order for this to work. - -config KEXEC_IMAGE_VERIFY_SIG - bool "Enable Image signature verification support" - default y - depends on KEXEC_SIG - depends on EFI && SIGNED_PE_FILE_VERIFICATION - help - Enable Image signature verification support. - -comment "Support for PE file signature verification disabled" - depends on KEXEC_SIG - depends on !EFI || !SIGNED_PE_FILE_VERIFICATION - -config CRASH_DUMP - bool "Build kdump crash kernel" - 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. + select HAVE_IMA_KEXEC if IMA + +config ARCH_SUPPORTS_KEXEC_SIG + def_bool y + +config ARCH_SUPPORTS_KEXEC_IMAGE_VERIFY_SIG + def_bool y - For more details see Documentation/admin-guide/kdump/kdump.rst +config ARCH_DEFAULT_KEXEC_IMAGE_VERIFY_SIG + def_bool y + +config ARCH_SUPPORTS_CRASH_DUMP + def_bool y config TRANS_TABLE def_bool y _ 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