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 84AADC433FE for ; Mon, 20 Dec 2021 12:25:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230093AbhLTMZ0 (ORCPT ); Mon, 20 Dec 2021 07:25:26 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56992 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230287AbhLTMZZ (ORCPT ); Mon, 20 Dec 2021 07:25:25 -0500 Received: from mail-ed1-x529.google.com (mail-ed1-x529.google.com [IPv6:2a00:1450:4864:20::529]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B8D13C061747 for ; Mon, 20 Dec 2021 04:25:24 -0800 (PST) Received: by mail-ed1-x529.google.com with SMTP id z5so37603829edd.3 for ; Mon, 20 Dec 2021 04:25:24 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=RLoaJ3N8Xq0PfED/81k7x9QvjcAx1z3or5WiHD5qoGU=; b=y8baxxmuqjKIXbqN86OhPF+S2MhjmaEOZscIgtYz9r+iVI0UqnN2fYZTIW7DbmZx0/ Z7vx3CanCsPx5hZsAkQEkuwKi+zvuDISga/emKfC9CogogIge7Vu/35fCrYjrEdtzwxS 5WOiAZxhQi+C+TrVO7DH5/KASdldXWoWGlU09dcareQux7aJ9ZzvdJUPfNJzKhkUn17r sohnDc7Ojr/c5sigCRM1ulYHzkgZrR9kWME6Rjqc6xSPqhmcEHe8u+zuKI01gVvKsrCu TkajWUhxSIl8dYayjKojAFYFxd6PqDNvL2EiWkXGnRE4f2txcyPWYMSXdR3PBzg62LSX uniA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=RLoaJ3N8Xq0PfED/81k7x9QvjcAx1z3or5WiHD5qoGU=; b=OAu+6P/PhMbtBeVBY1xy9jQ9LuWQbwIJIGx+WODDlZL/wwd17whFautDAQqYAiIClb t9GG9Rl/fzsBcPo9ZSx12kggH9GeOdJuzUUtbQbw9W3vtuo7XevCqSpvrlu8r2O8iRwg P4ctw55/mG6YesaIfF/ffgZn8PqxxtZlCD+3K8fY7Af02WiXxt8IHX9ibc9EkigYJxSy RBamsPa7LH9kCUf7RL82Qv5WbufCTvP6cUg2eb5NN9dMTuFZ+rXLY7cG3WADbJttNXP3 BNwLZZJDTvYFtnltea/jjEArAgsy90G2MnGQiBYB13cu2YrEZR+Lu7ku+AAPCRYRoBxs SRQw== X-Gm-Message-State: AOAM532sdrFl++Q89CScYFg/ymzDYcsniOXK+gohLr1N0SPrwqJhIbcG poh0QbOcl0YqRGzO9FoO9Ig1sg== X-Google-Smtp-Source: ABdhPJy3+8r/F7Hrarvc9fPePV2rXtFAokSQvQS2uiZSiLE/YpkmMcgerR8vyD0cfodgTNRIbvcrFA== X-Received: by 2002:a05:6402:1702:: with SMTP id y2mr4583607edu.372.1640003123217; Mon, 20 Dec 2021 04:25:23 -0800 (PST) Received: from localhost (c-9b28e555.07-21-73746f28.bbcust.telenor.se. [85.229.40.155]) by smtp.gmail.com with ESMTPSA id i13sm4927823eds.72.2021.12.20.04.25.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Dec 2021 04:25:22 -0800 (PST) From: Anders Roxell To: stable@vger.kernel.org Cc: linux-kernel@vger.kernel.org, woojung.huh@microchip.com, UNGLinuxDriver@microchip.com, davem@davemloft.net, netdev@vger.kernel.org, linux-usb@vger.kernel.org, clang-built-linux@googlegroups.com, ulli.kroll@googlemail.com, linux@armlinux.org.uk, linux-arm-kernel@lists.infradead.org, amitkarwar@gmail.com, nishants@marvell.com, gbhat@marvell.com, huxinming820@gmail.com, kvalo@codeaurora.org, linux-wireless@vger.kernel.org, rostedt@goodmis.org, mingo@redhat.com, dmitry.torokhov@gmail.com, ndesaulniers@google.com, nathan@kernel.org, linux-input@vger.kernel.org, Anders Roxell Subject: [PATCH 4.14 0/6] fix warning and errors on arm built with clang Date: Mon, 20 Dec 2021 13:25:00 +0100 Message-Id: <20211220122506.3631672-1-anders.roxell@linaro.org> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Hi, Can this patchset be applied to linux-4.14.y. I've tried to build an arm kernel for these defconfigs: mini2440_defconfig, mxs_defconfig, imx_v4_v5_defconfig, integrator_defconfig, lpc32xx_defconfig, s3c2410_defconfig, nhk8815_defconfig, imx_v6_v7_defconfig, at91_dt_defconfig, shmobile_defconfig, omap1_defconfig, multi_v5_defconfig, orion5x_defconfig, footbridge_defconfig, davinci_all_defconfig Without this patchset these configs faild to build. Also I fixed a few warnings. There are still a few more warnings to fix. But this is a start. I built the kernel with tuxmake and this is the command: tuxmake --runtime podman --target-arch arm --toolchain clang-nightly --kconfig tinyconfig LLVM=1 LLVM_IAS=0 Similar results with clang-13. Patch "net: lan78xx: Avoid unnecessary self assignment" fixes: drivers/net/usb/lan78xx.c:949:11: warning: explicitly assigning value of variable of type 'u32' (aka 'unsigned int') to itself [-Wself-assign] offset = offset; ~~~~~~ ^ ~~~~~~ 1 warning generated. Patch "ARM: 8805/2: remove unneeded naked function usage" fixes: arch/arm/mm/copypage-v4wb.c:47:9: error: parameter references not allowed in naked functions : "r" (kto), "r" (kfrom), "I" (PAGE_SIZE / 64)); ^ /builds/linux/arch/arm/mm/copypage-v4wb.c:25:13: note: attribute is here static void __naked ^ /builds/linux/include/linux/compiler_types.h:249:34: note: expanded from macro '__naked' #define __naked __attribute__((naked)) notrace ^ 1 error generated. Patch "mwifiex: Remove unnecessary braces from HostCmd_SET_SEQ_NO_BSS_INFO" fixes: drivers/net/wireless/marvell/mwifiex/cmdevt.c:219:22: warning: '(' and '{' tokens introducing statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro] host_cmd->seq_num = cpu_to_le16(HostCmd_SET_SEQ_NO_BSS_INFO ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /builds/linux/include/linux/byteorder/generic.h:90:21: note: expanded from macro 'cpu_to_le16' #define cpu_to_le16 __cpu_to_le16 ^ Patch "Input: touchscreen - avoid bitwise vs logical OR warning" fixes: drivers/input/touchscreen/of_touchscreen.c:80:17: warning: use of bitwise '|' with boolean operands [-Wbitwise-instead-of-logical] data_present = touchscreen_get_prop_u32(dev, "touchscreen-size-x", ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Patch "ARM: 8788/1: ftrace: remove old mcount support" fixes: arch/arm/kernel/entry-ftrace.S:56:2: error: Ftrace requires CONFIG_FRAME_POINTER=y with GCC older than 4.4.0. #error Ftrace requires CONFIG_FRAME_POINTER=y with GCC older than 4.4.0. ^ 1 error generated. Patch "ARM: 8800/1: use choice for kernel unwinders" fixes the build error: clang: error: unknown argument: '-mapcs' clang: error: unknown argument: '-mno-sched-prolog' Cheers, Anders Nathan Chancellor (3): net: lan78xx: Avoid unnecessary self assignment mwifiex: Remove unnecessary braces from HostCmd_SET_SEQ_NO_BSS_INFO Input: touchscreen - avoid bitwise vs logical OR warning Nicolas Pitre (1): ARM: 8805/2: remove unneeded naked function usage Stefan Agner (2): ARM: 8800/1: use choice for kernel unwinders ARM: 8788/1: ftrace: remove old mcount support arch/arm/Kconfig.debug | 45 +++++---- arch/arm/include/asm/ftrace.h | 3 - arch/arm/kernel/armksyms.c | 3 - arch/arm/kernel/entry-ftrace.S | 75 +------------- arch/arm/kernel/ftrace.c | 51 ---------- arch/arm/mm/copypage-fa.c | 35 ++++--- arch/arm/mm/copypage-feroceon.c | 98 +++++++++---------- arch/arm/mm/copypage-v4mc.c | 19 ++-- arch/arm/mm/copypage-v4wb.c | 41 ++++---- arch/arm/mm/copypage-v4wt.c | 37 ++++--- arch/arm/mm/copypage-xsc3.c | 71 ++++++-------- arch/arm/mm/copypage-xscale.c | 71 +++++++------- drivers/input/touchscreen/of_touchscreen.c | 18 ++-- drivers/net/usb/lan78xx.c | 6 +- drivers/net/wireless/marvell/mwifiex/cmdevt.c | 4 +- drivers/net/wireless/marvell/mwifiex/fw.h | 8 +- lib/Kconfig.debug | 6 +- 17 files changed, 228 insertions(+), 363 deletions(-) -- 2.34.1 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 6FDBEC433EF for ; Mon, 20 Dec 2021 12:26:52 +0000 (UTC) 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:MIME-Version:Message-Id:Date:Subject:Cc :To:From: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=EoHRjTysomTjJ9zGdaXcIMrVkP4XIp00AbxWButdnBI=; b=MCg0fRkbJiArd8 Plw9SE1ICfG2QNHZ2S9zUvW3L99Qu+0K3jnkdhGx/YUEXQilrd/ZSTqbc2+inWlEP7ft0ZJgmv2hr kgC77kEibAKlFncWQ6+0qUERnsCY5aNWi8IV+wkjH4uKBxF+OlqRSEcY7q2koFScWbbHUVXolLuGZ eTi2U25w1aX0mMhTS4eQC089uFqgzVxXloEFvDlXNQZWMn7Wbnfxdo+jjj1RBRTxyPJPjyAeBFLrQ pKaa23H987EjUtDBU1OgD4i/GLN6/KsVbBvRQioERxLBKR+BK3LsGeA5E5cuvp1H0Ov0wm7iU2oYe vPVq31EvCcBqKCaO3n5g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mzHjQ-002GwK-E9; Mon, 20 Dec 2021 12:25:32 +0000 Received: from mail-ed1-x52c.google.com ([2a00:1450:4864:20::52c]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mzHjJ-002Gt2-7W for linux-arm-kernel@lists.infradead.org; Mon, 20 Dec 2021 12:25:26 +0000 Received: by mail-ed1-x52c.google.com with SMTP id e3so37580845edu.4 for ; Mon, 20 Dec 2021 04:25:24 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=RLoaJ3N8Xq0PfED/81k7x9QvjcAx1z3or5WiHD5qoGU=; b=y8baxxmuqjKIXbqN86OhPF+S2MhjmaEOZscIgtYz9r+iVI0UqnN2fYZTIW7DbmZx0/ Z7vx3CanCsPx5hZsAkQEkuwKi+zvuDISga/emKfC9CogogIge7Vu/35fCrYjrEdtzwxS 5WOiAZxhQi+C+TrVO7DH5/KASdldXWoWGlU09dcareQux7aJ9ZzvdJUPfNJzKhkUn17r sohnDc7Ojr/c5sigCRM1ulYHzkgZrR9kWME6Rjqc6xSPqhmcEHe8u+zuKI01gVvKsrCu TkajWUhxSIl8dYayjKojAFYFxd6PqDNvL2EiWkXGnRE4f2txcyPWYMSXdR3PBzg62LSX uniA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=RLoaJ3N8Xq0PfED/81k7x9QvjcAx1z3or5WiHD5qoGU=; b=6K58QCXuPLw3A+sTwDUI7tKPxEvC+X5IT8dysMvrfT7BOXSyWJE815ZSZrI1pDHwPT Y7jxe9NJuKrDMSFmMosqXRssitD+amOs9xW5+K0bdWwFuVVgzChVxVO8zcAfc/qlh9uV R+3GGyv5xk9sTE99jqzXDXvbD+3Dym0c4rwTi4il9a6VbvUvm5TRzZiH1VzfuSg+FRcj s+qHMcgsed2/Ih9t7yYo3WvRf+oG1SNzGv1OaoR4H7WorpfO5BWddsWMkVcyVp5+Sspi UKUPzV5NZscjAos/rSJW4q/mEK2lzadEebuBPSvGcZp/zcIw4Z2vPtITh9+ANpYQjriT ymbQ== X-Gm-Message-State: AOAM532wpbk3OwV9uxBicRBW/YUy08WqlffdlTXhon5yyfRMSUJ3KNho tBOB+2uJn7f8blIIu0BLWf48aQ== X-Google-Smtp-Source: ABdhPJy3+8r/F7Hrarvc9fPePV2rXtFAokSQvQS2uiZSiLE/YpkmMcgerR8vyD0cfodgTNRIbvcrFA== X-Received: by 2002:a05:6402:1702:: with SMTP id y2mr4583607edu.372.1640003123217; Mon, 20 Dec 2021 04:25:23 -0800 (PST) Received: from localhost (c-9b28e555.07-21-73746f28.bbcust.telenor.se. [85.229.40.155]) by smtp.gmail.com with ESMTPSA id i13sm4927823eds.72.2021.12.20.04.25.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Dec 2021 04:25:22 -0800 (PST) From: Anders Roxell To: stable@vger.kernel.org Cc: linux-kernel@vger.kernel.org, woojung.huh@microchip.com, UNGLinuxDriver@microchip.com, davem@davemloft.net, netdev@vger.kernel.org, linux-usb@vger.kernel.org, clang-built-linux@googlegroups.com, ulli.kroll@googlemail.com, linux@armlinux.org.uk, linux-arm-kernel@lists.infradead.org, amitkarwar@gmail.com, nishants@marvell.com, gbhat@marvell.com, huxinming820@gmail.com, kvalo@codeaurora.org, linux-wireless@vger.kernel.org, rostedt@goodmis.org, mingo@redhat.com, dmitry.torokhov@gmail.com, ndesaulniers@google.com, nathan@kernel.org, linux-input@vger.kernel.org, Anders Roxell Subject: [PATCH 4.14 0/6] fix warning and errors on arm built with clang Date: Mon, 20 Dec 2021 13:25:00 +0100 Message-Id: <20211220122506.3631672-1-anders.roxell@linaro.org> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211220_042525_302882_9272DC81 X-CRM114-Status: GOOD ( 12.35 ) 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 Hi, Can this patchset be applied to linux-4.14.y. I've tried to build an arm kernel for these defconfigs: mini2440_defconfig, mxs_defconfig, imx_v4_v5_defconfig, integrator_defconfig, lpc32xx_defconfig, s3c2410_defconfig, nhk8815_defconfig, imx_v6_v7_defconfig, at91_dt_defconfig, shmobile_defconfig, omap1_defconfig, multi_v5_defconfig, orion5x_defconfig, footbridge_defconfig, davinci_all_defconfig Without this patchset these configs faild to build. Also I fixed a few warnings. There are still a few more warnings to fix. But this is a start. I built the kernel with tuxmake and this is the command: tuxmake --runtime podman --target-arch arm --toolchain clang-nightly --kconfig tinyconfig LLVM=1 LLVM_IAS=0 Similar results with clang-13. Patch "net: lan78xx: Avoid unnecessary self assignment" fixes: drivers/net/usb/lan78xx.c:949:11: warning: explicitly assigning value of variable of type 'u32' (aka 'unsigned int') to itself [-Wself-assign] offset = offset; ~~~~~~ ^ ~~~~~~ 1 warning generated. Patch "ARM: 8805/2: remove unneeded naked function usage" fixes: arch/arm/mm/copypage-v4wb.c:47:9: error: parameter references not allowed in naked functions : "r" (kto), "r" (kfrom), "I" (PAGE_SIZE / 64)); ^ /builds/linux/arch/arm/mm/copypage-v4wb.c:25:13: note: attribute is here static void __naked ^ /builds/linux/include/linux/compiler_types.h:249:34: note: expanded from macro '__naked' #define __naked __attribute__((naked)) notrace ^ 1 error generated. Patch "mwifiex: Remove unnecessary braces from HostCmd_SET_SEQ_NO_BSS_INFO" fixes: drivers/net/wireless/marvell/mwifiex/cmdevt.c:219:22: warning: '(' and '{' tokens introducing statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro] host_cmd->seq_num = cpu_to_le16(HostCmd_SET_SEQ_NO_BSS_INFO ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /builds/linux/include/linux/byteorder/generic.h:90:21: note: expanded from macro 'cpu_to_le16' #define cpu_to_le16 __cpu_to_le16 ^ Patch "Input: touchscreen - avoid bitwise vs logical OR warning" fixes: drivers/input/touchscreen/of_touchscreen.c:80:17: warning: use of bitwise '|' with boolean operands [-Wbitwise-instead-of-logical] data_present = touchscreen_get_prop_u32(dev, "touchscreen-size-x", ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Patch "ARM: 8788/1: ftrace: remove old mcount support" fixes: arch/arm/kernel/entry-ftrace.S:56:2: error: Ftrace requires CONFIG_FRAME_POINTER=y with GCC older than 4.4.0. #error Ftrace requires CONFIG_FRAME_POINTER=y with GCC older than 4.4.0. ^ 1 error generated. Patch "ARM: 8800/1: use choice for kernel unwinders" fixes the build error: clang: error: unknown argument: '-mapcs' clang: error: unknown argument: '-mno-sched-prolog' Cheers, Anders Nathan Chancellor (3): net: lan78xx: Avoid unnecessary self assignment mwifiex: Remove unnecessary braces from HostCmd_SET_SEQ_NO_BSS_INFO Input: touchscreen - avoid bitwise vs logical OR warning Nicolas Pitre (1): ARM: 8805/2: remove unneeded naked function usage Stefan Agner (2): ARM: 8800/1: use choice for kernel unwinders ARM: 8788/1: ftrace: remove old mcount support arch/arm/Kconfig.debug | 45 +++++---- arch/arm/include/asm/ftrace.h | 3 - arch/arm/kernel/armksyms.c | 3 - arch/arm/kernel/entry-ftrace.S | 75 +------------- arch/arm/kernel/ftrace.c | 51 ---------- arch/arm/mm/copypage-fa.c | 35 ++++--- arch/arm/mm/copypage-feroceon.c | 98 +++++++++---------- arch/arm/mm/copypage-v4mc.c | 19 ++-- arch/arm/mm/copypage-v4wb.c | 41 ++++---- arch/arm/mm/copypage-v4wt.c | 37 ++++--- arch/arm/mm/copypage-xsc3.c | 71 ++++++-------- arch/arm/mm/copypage-xscale.c | 71 +++++++------- drivers/input/touchscreen/of_touchscreen.c | 18 ++-- drivers/net/usb/lan78xx.c | 6 +- drivers/net/wireless/marvell/mwifiex/cmdevt.c | 4 +- drivers/net/wireless/marvell/mwifiex/fw.h | 8 +- lib/Kconfig.debug | 6 +- 17 files changed, 228 insertions(+), 363 deletions(-) -- 2.34.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel