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 2D701FA373F for ; Tue, 25 Oct 2022 00:05:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230423AbiJYAFc (ORCPT ); Mon, 24 Oct 2022 20:05:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35798 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229728AbiJYAFN (ORCPT ); Mon, 24 Oct 2022 20:05:13 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7F40815FE2 for ; Mon, 24 Oct 2022 15:22:04 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 33870B816AD for ; Mon, 24 Oct 2022 22:22:03 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CC1FBC433D6; Mon, 24 Oct 2022 22:22:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1666650121; bh=7TObxtO5ha1dVMyA8looaIpsB982Ld10MImlFWbW7FM=; h=Date:To:From:Subject:From; b=0dsqO6fCVbobh7CLfKOxOjDB9L2KgGMNdMNE6Ac9r1jxDpoZNFNU0RPpfKomjMzr3 tpZ93VBqnKjTAHONnMlDz2dIQPPpjzOoyQPcnOBtljkQOlgNcqDAWkKAYDh15+iBaq VzzFIs8NUxVdZAf6ahp7N9XwmINu+24a8VJPInGc= Date: Mon, 24 Oct 2022 15:22:01 -0700 To: mm-commits@vger.kernel.org, tglx@linutronix.de, mingo@redhat.com, akpm@linux-foundation.org, glider@google.com, akpm@linux-foundation.org From: Andrew Morton Subject: + x86-purgatory-disable-kmsan-instrumentation.patch added to mm-hotfixes-unstable branch Message-Id: <20221024222201.CC1FBC433D6@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: x86/purgatory: disable KMSAN instrumentation has been added to the -mm mm-hotfixes-unstable branch. Its filename is x86-purgatory-disable-kmsan-instrumentation.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/x86-purgatory-disable-kmsan-instrumentation.patch This patch will later appear in the mm-hotfixes-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: Alexander Potapenko Subject: x86/purgatory: disable KMSAN instrumentation Date: Mon, 24 Oct 2022 23:21:41 +0200 The stand-alone purgatory.ro does not contain the KMSAN runtime, therefore it can't be built with KMSAN compiler instrumentation. Link: https://lkml.kernel.org/r/20221024212144.2852069-2-glider@google.com Link: https://github.com/google/kmsan/issues/89 Signed-off-by: Alexander Potapenko Cc: Andrew Morton Cc: Thomas Gleixner Cc: Ingo Molnar Signed-off-by: Andrew Morton --- arch/x86/purgatory/Makefile | 1 + 1 file changed, 1 insertion(+) --- a/arch/x86/purgatory/Makefile~x86-purgatory-disable-kmsan-instrumentation +++ a/arch/x86/purgatory/Makefile @@ -26,6 +26,7 @@ GCOV_PROFILE := n KASAN_SANITIZE := n UBSAN_SANITIZE := n KCSAN_SANITIZE := n +KMSAN_SANITIZE := n KCOV_INSTRUMENT := n # These are adjustments to the compiler flags used for objects that _ Patches currently in -mm which might be from glider@google.com are mm-kmsan-export-kmsan_copy_page_meta.patch x86-purgatory-disable-kmsan-instrumentation.patch kconfigdebug-disable-config_frame_warn-for-kmsan-by-default.patch x86-asm-make-sure-__put_user_size-evaluates-pointer-once.patch x86-fortify-kmsan-fix-kmsan-fortify-builds.patch