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 X-Spam-Level: X-Spam-Status: No, score=-21.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT,USER_IN_DEF_DKIM_WL autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A8ECCC433E0 for ; Thu, 11 Feb 2021 02:53:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 780AC64E26 for ; Thu, 11 Feb 2021 02:53:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229693AbhBKCwj (ORCPT ); Wed, 10 Feb 2021 21:52:39 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60728 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229451AbhBKCwh (ORCPT ); Wed, 10 Feb 2021 21:52:37 -0500 Received: from mail-qk1-x749.google.com (mail-qk1-x749.google.com [IPv6:2607:f8b0:4864:20::749]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7C426C06174A for ; Wed, 10 Feb 2021 18:51:57 -0800 (PST) Received: by mail-qk1-x749.google.com with SMTP id f16so3333202qke.0 for ; Wed, 10 Feb 2021 18:51:57 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=sender:date:message-id:mime-version:subject:from:to:cc; bh=o822Lr199HQGCnayt8C72QUcHqAHTU2Ztu3EEpAsGPY=; b=fa08nbzA3vctIkHyeNEUqu3Qwwj9o9ZRYC7Z4sVBBgi31CyJCwYUuFVLvb6LxCCdXz v/tHYrfC0qQII6+Wx9XMhZySwGhYPrbW2kCV1w8/K8rRe+M9YnQOumzxhAx+lJ5R0O0H bTk9C/FNElMWoku8E4bGA6EzzmWSF+vORyewPoV5jshnPTU4janDEd1ZKKZ4h1nwySlM q0NqMJ1idIQhyPFR/Atc5rZOABJ2DHlifbZjQBBvnaR4UhznwO01Cc0MuP31ZNKRR9Ze LdvcMUMnz+5KUCGJOQaBY3z1bTsNd6xsJFGRkX+vYxOpHcZA14UydO6zYxNYTzN/Txcv VxuA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:message-id:mime-version:subject:from :to:cc; bh=o822Lr199HQGCnayt8C72QUcHqAHTU2Ztu3EEpAsGPY=; b=nYg/29uxRKFBC2zcylklY+139xO+0D0hX+BRh8BRwz4dp+m+7wjFBJC4hStsYKJ93U jI1yCuiYJHuF+pF6c2/QsUW/kpmjPam/0WXOESXGAc6NKYeJM5ZKj2ZkuoY5Qqq79XKI uvKhJNmIOWbcpOEpJONva9QHwYEim9atV4XCozYWo9vFm3lasg3D0j+tUbRLAUxlnoNL Pz66I/8+H8S2eke+MsGmVWV9K9QLIAYZFKOkljyvOEIIe/d6U1NH1XrL0xIL3UjX5XB7 fikDgB2M6G6UjZ8M60e5SEojQIcYeoL5llJyhNmSmJeBWp6fS7MM1VwpWcaf5tNuoEwW lRFw== X-Gm-Message-State: AOAM533pEyg0ATsRCxtgfcagzNXyeN29oFRylWe4QDRGdjDDeRir0dbq ysr1mPnvC24ZdKiABv2F+odnOdhlRPBpWUrmWzk= X-Google-Smtp-Source: ABdhPJzG54RwknIuYyHp7RUfDIKFcQO2oqp+MpWu4DtUyHb8ecmPiIhS9avh4ybC/NfnfcI3/1P+9s/jNDhtsxqUqtw= Sender: "ndesaulniers via sendgmr" X-Received: from ndesaulniers1.mtv.corp.google.com ([2620:15c:211:202:1dc:8608:b4eb:4dd0]) (user=ndesaulniers job=sendgmr) by 2002:a05:6214:bce:: with SMTP id ff14mr5647814qvb.26.1613011916720; Wed, 10 Feb 2021 18:51:56 -0800 (PST) Date: Wed, 10 Feb 2021 18:51:47 -0800 Message-Id: <20210211025149.3544593-1-ndesaulniers@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.30.0.478.g8a0d178c01-goog Subject: [PATCH v5 0/2] ARM: kprobes: asm warning fixes and UAL conversion From: Nick Desaulniers To: Russell King , Arnd Bergmann , Ard Biesheuvel Cc: clang-built-linux@googlegroups.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Nathan Chancellor , Peter Smith , Renato Golin , David Spickett , Nick Desaulniers Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Clang's integrated assembler only supports UAL and rejects instructions that are UNPREDICTABLE; KernelCI has been warning about those for awhile now when using GAS (GCC or Clang) for allmodconfig builds. Changes V4 -> V5: * Make patch into series. * Fix the UNPREDICTABLE warnings first. * Add .syntax unified to fix the GCC build failure reported by 0day bot. Changes V3 -> V4: * use __inst_arm for movs based on resolution of https://reviews.llvm.org/D95586. Changes V2 -> V3: * drop changes to test-thumb.c. That file is mutually exclusive with test-arm.c based on CONFIG_THUMB2_KERNEL. LLVM requires more fixes for .w suffixes for thumb2 mode. Changes V1 -> V2: * Fix additonal swpvsb case in test-arm.c when __LINUX_ARM_ARCH__ < 6, reported by Arnd. * Fix arch/arm/probes/kprobes/test-thumb.c, reported by Arnd. * Modify the oneline to note I'm modifying test-*.c. Nick Desaulniers (2): ARM: kprobes: fix UNPREDICTABLE warnings ARM: kprobes: rewrite test-arm.c in UAL arch/arm/probes/kprobes/test-arm.c | 294 ++++++++++++++-------------- arch/arm/probes/kprobes/test-core.h | 1 + 2 files changed, 148 insertions(+), 147 deletions(-) -- 2.30.0.478.g8a0d178c01-goog