From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-yb1-f202.google.com (mail-yb1-f202.google.com [209.85.219.202]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9AC7E2C85 for ; Tue, 19 Oct 2021 22:36:52 +0000 (UTC) Received: by mail-yb1-f202.google.com with SMTP id p8-20020a056902114800b005bad2571fbeso27070612ybu.23 for ; Tue, 19 Oct 2021 15:36:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:message-id:mime-version:subject:from:to:cc; bh=HQ19xvqiA4G2WyV84la3hZZlIas5Up6lbNaE2iEUudw=; b=B/CSM0YSuktD6EYoqfLCaVy8RYSOxFuP0LUVkyQMmgw68PXHXLo3DxrzbQ5mRLL2nr /qdzIlkxXN2FIcONlsTLfjkmD7PkbzalFbdWvwacSv6jJZIKPhjf05L+wJlFjE7gjQ7t T49ezs0mvDidFxLIyN3kNkMGRATB2/m+oBZ0+TRTxNM7gelmXXIxUIR9KZF0czlSX15K Mym4TtsKy0wJ1Wtb3WhE+vnxt3SnbL4MMGJhvW35gfslpq06AmhY5wgsJH0EnU08IoJx EVob8kREfk7WHcP2BX2giwKq65TeYWhDrdKlmBivU0WwCOGBijbRdLPjTKVi8XCIHcqB YNkQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:message-id:mime-version:subject:from:to:cc; bh=HQ19xvqiA4G2WyV84la3hZZlIas5Up6lbNaE2iEUudw=; b=zy52QEH/hLkXRXwLBJLH1dje8QAnf98AYZ8n4Z9rCW5sx8RMi0tbZ1gX67xQDLbTh0 ytIo6lGSXuO6JpCKNZEkI4DIKBJCe9TIldgMdIh66tvxqBiSxQWpoCqmMhkYmqV3A7pl JI7PTtyNpPjWtbKftAI7qtcAakf5eIJ9G3y2QkR/JSK1SvcnBGp4ZMfdtYv3Sbx5DVLS lckI0x+hOeVVne7M/LaSHSEikhypTxkXEyXayHh52S6plBcIxJnobRq78zk2MtsJjWvL BjgLf6CUIHDgmTbrZ0pkvGN1/QKEUBxlIY64ABx5UMQrKNebA8TMt18InI+L+ZkYHyKS SrRQ== X-Gm-Message-State: AOAM531OH86s1gQQ//9R8lyUfkqjl4RcV+scs9+DE++I4/HvT6EzVjW6 TiiLacvwlEuLqAXdKgZIQc+XQRht2aaqWfqvoOI= X-Google-Smtp-Source: ABdhPJw8gj8UnUkHmA+a6grhu4fCJl80HHw5UUgNvqwL2I3SJpua2zrBe5qXBZBDsTvh4Vd4slK1H5z4bs8Rth4+iS0= X-Received: from ndesaulniers1.mtv.corp.google.com ([2620:15c:211:202:de0:247b:5157:7c15]) (user=ndesaulniers job=sendgmr) by 2002:a25:5ed6:: with SMTP id s205mr41737765ybb.31.1634683011550; Tue, 19 Oct 2021 15:36:51 -0700 (PDT) Date: Tue, 19 Oct 2021 15:36:42 -0700 Message-Id: <20211019223646.1146945-1-ndesaulniers@google.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 X-Developer-Key: i=ndesaulniers@google.com; a=ed25519; pk=lvO/pmg+aaCb6dPhyGC1GyOCvPueDrrc8Zeso5CaGKE= X-Developer-Signature: v=1; a=ed25519-sha256; t=1634683006; l=1185; s=20211004; h=from:subject; bh=pCnBLq31wEGMpWFMLpVJEj7B9XvdubS5B2YjxrY7RcY=; b=NK/adL7rbrI5E749ksLXBr/RwWrOfasC07zBEQzqpMQxkI6l7xk++wgsUS+UenoWWhiacuq+cUtr dmVh9lhYDFQkO6VwtrRX3kCcdumJNdCVVW6tWdWz6z9XRqkkZUzo X-Mailer: git-send-email 2.33.0.1079.g6e70778dc9-goog Subject: [PATCH v2 0/4] compat vdso cleanups From: Nick Desaulniers To: Catalin Marinas , Will Deacon Cc: llvm@lists.linux.dev, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Vincenzo Frascino , Nathan Chancellor , Nick Desaulniers Content-Type: text/plain; charset="UTF-8" Four fixes for compat vdso, the first three are related, the fourth is standalone. The first three fix a warning observed for `mrproper` targets when $(CROSS_COMPILE_COMPAT)gcc is not in the $PATH. The fourth makes is so that CROSS_COMPILE_COMPAT is not necessary to select COMPAT_VDSO when using clang+lld. Based on arm64/linux.git/for-next/misc. Changes v1 -> v2: * Fix binutils version numbers in 1/4 as per Christian. * Add new patch 2/4 as per Arnd. * Rewrite 3/4 to use redirection of stderr to /dev/null, as per Masahiro. * Add parens and update commit message of 4/4 as per Nathan. Nick Desaulniers (4): arm64: vdso32: drop the test for dmb ishld arm64: vdso32: drop test for -march=armv8-a arm64: vdso32: suppress error message for 'make mrproper' arm64: vdso32: require CROSS_COMPILE_COMPAT for gcc+bfd arch/arm64/Kconfig | 3 +- arch/arm64/include/asm/vdso/compat_barrier.h | 7 ---- arch/arm64/kernel/vdso32/Makefile | 36 +++++--------------- 3 files changed, 10 insertions(+), 36 deletions(-) base-commit: de56379f21c70196ff18c48790e8e43865893869 -- 2.33.0.1079.g6e70778dc9-goog 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1BABAC433EF for ; Tue, 19 Oct 2021 22:38:38 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id DA027610E5 for ; Tue, 19 Oct 2021 22:38:37 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org DA027610E5 Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:From:Subject:Mime-Version: Message-Id:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To: References:List-Owner; bh=4hbsgJKpcuKBxkHieRhJbcbfxsehlGdK2zX4KNLyYmo=; b=Lv8 NvPfHDT1aVcpyxytyPdnbGAkiP2RHxtJ0qd7Fj8z3V/0YTCmBOY0ibolS72iRt0IiEmFNQOCUANXr CbzLTb0aVxyhWswIQVsqNenUM9VBWN9EIjQ9SOh482wv2dKUB9d1MPO3TLXqLzEsGxqvK5jrtPwCb 5o1LdMHFGdUfSe8UFymadhvrKkTEMP10ruosaYsrq1LhkdqBJV8CiYm9p/X/1Lr5J8nuDPHwrpgYg bOIY+AdYMbACeF28crFiUetVckI8ST8Q5CBO6o1j8ko3UfB9Y5YT84cHzawhyZ6OfRHuJNe8YYae4 oJBjPEY2m6GSurOyNMDZPxgg+cajd8g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mcxj7-002rHy-9K; Tue, 19 Oct 2021 22:36:57 +0000 Received: from mail-yb1-xb49.google.com ([2607:f8b0:4864:20::b49]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mcxj3-002rHP-76 for linux-arm-kernel@lists.infradead.org; Tue, 19 Oct 2021 22:36:54 +0000 Received: by mail-yb1-xb49.google.com with SMTP id i21-20020a253b15000000b005b9c0fbba45so27460190yba.20 for ; Tue, 19 Oct 2021 15:36:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:message-id:mime-version:subject:from:to:cc; bh=HQ19xvqiA4G2WyV84la3hZZlIas5Up6lbNaE2iEUudw=; b=B/CSM0YSuktD6EYoqfLCaVy8RYSOxFuP0LUVkyQMmgw68PXHXLo3DxrzbQ5mRLL2nr /qdzIlkxXN2FIcONlsTLfjkmD7PkbzalFbdWvwacSv6jJZIKPhjf05L+wJlFjE7gjQ7t T49ezs0mvDidFxLIyN3kNkMGRATB2/m+oBZ0+TRTxNM7gelmXXIxUIR9KZF0czlSX15K Mym4TtsKy0wJ1Wtb3WhE+vnxt3SnbL4MMGJhvW35gfslpq06AmhY5wgsJH0EnU08IoJx EVob8kREfk7WHcP2BX2giwKq65TeYWhDrdKlmBivU0WwCOGBijbRdLPjTKVi8XCIHcqB YNkQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:message-id:mime-version:subject:from:to:cc; bh=HQ19xvqiA4G2WyV84la3hZZlIas5Up6lbNaE2iEUudw=; b=F5jft/nvRRau9A0V0hyit3yHSDFyANX1H/0iHWqziGnCbW+GyQJZHL6AdJoU0wlDeG /6trBW9DmBagPbB2NrpvcAmKp2c2ZLIH+0ljGgGUF8wb/OAwmAwoF4mN7XsJ547sqeGh B67PCepf06mdNApaEgU8/UOuHTGhcwBeU+cb46OVBDnBPwJvBrgT5EnVePTL6A6alBV+ 6rFtWfTrfcMuGBLU661ZgIWSmFwQK5r4yrfnG0tHbqw/JUIIJ8XddvrZ+UNybxdqRlgR kv/sefcbdGc0tEviFG43cYv8F/2rnZEFiTSo741yncF8o9urdGY3WC0v1hdXfRGiozHV 1CVw== X-Gm-Message-State: AOAM530uAVp1NivsZGGikEs2WAow5Har1y3M6GFfFiXP/G8ws5Mbcrtg lr506eyyBjA86YrE4k8J18zeVVlyVLtEcFOOWZQ= X-Google-Smtp-Source: ABdhPJw8gj8UnUkHmA+a6grhu4fCJl80HHw5UUgNvqwL2I3SJpua2zrBe5qXBZBDsTvh4Vd4slK1H5z4bs8Rth4+iS0= X-Received: from ndesaulniers1.mtv.corp.google.com ([2620:15c:211:202:de0:247b:5157:7c15]) (user=ndesaulniers job=sendgmr) by 2002:a25:5ed6:: with SMTP id s205mr41737765ybb.31.1634683011550; Tue, 19 Oct 2021 15:36:51 -0700 (PDT) Date: Tue, 19 Oct 2021 15:36:42 -0700 Message-Id: <20211019223646.1146945-1-ndesaulniers@google.com> Mime-Version: 1.0 X-Developer-Key: i=ndesaulniers@google.com; a=ed25519; pk=lvO/pmg+aaCb6dPhyGC1GyOCvPueDrrc8Zeso5CaGKE= X-Developer-Signature: v=1; a=ed25519-sha256; t=1634683006; l=1185; s=20211004; h=from:subject; bh=pCnBLq31wEGMpWFMLpVJEj7B9XvdubS5B2YjxrY7RcY=; b=NK/adL7rbrI5E749ksLXBr/RwWrOfasC07zBEQzqpMQxkI6l7xk++wgsUS+UenoWWhiacuq+cUtr dmVh9lhYDFQkO6VwtrRX3kCcdumJNdCVVW6tWdWz6z9XRqkkZUzo X-Mailer: git-send-email 2.33.0.1079.g6e70778dc9-goog Subject: [PATCH v2 0/4] compat vdso cleanups From: Nick Desaulniers To: Catalin Marinas , Will Deacon Cc: llvm@lists.linux.dev, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Vincenzo Frascino , Nathan Chancellor , Nick Desaulniers X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211019_153653_281997_CEF3D287 X-CRM114-Status: UNSURE ( 9.95 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Four fixes for compat vdso, the first three are related, the fourth is standalone. The first three fix a warning observed for `mrproper` targets when $(CROSS_COMPILE_COMPAT)gcc is not in the $PATH. The fourth makes is so that CROSS_COMPILE_COMPAT is not necessary to select COMPAT_VDSO when using clang+lld. Based on arm64/linux.git/for-next/misc. Changes v1 -> v2: * Fix binutils version numbers in 1/4 as per Christian. * Add new patch 2/4 as per Arnd. * Rewrite 3/4 to use redirection of stderr to /dev/null, as per Masahiro. * Add parens and update commit message of 4/4 as per Nathan. Nick Desaulniers (4): arm64: vdso32: drop the test for dmb ishld arm64: vdso32: drop test for -march=armv8-a arm64: vdso32: suppress error message for 'make mrproper' arm64: vdso32: require CROSS_COMPILE_COMPAT for gcc+bfd arch/arm64/Kconfig | 3 +- arch/arm64/include/asm/vdso/compat_barrier.h | 7 ---- arch/arm64/kernel/vdso32/Makefile | 36 +++++--------------- 3 files changed, 10 insertions(+), 36 deletions(-) base-commit: de56379f21c70196ff18c48790e8e43865893869 -- 2.33.0.1079.g6e70778dc9-goog _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel