From patchwork Fri Apr 24 16:38:45 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: James Morse X-Patchwork-Id: 11508589 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id BF224912 for ; Fri, 24 Apr 2020 16:41:22 +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 9A0D82071E for ; Fri, 24 Apr 2020 16:41:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="NU4M4QiY" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9A0D82071E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=2L6Z1VLLC85ppAk5oD6dnEQ4H8PwUuFRuod8xr18GSo=; b=NU4M4QiYA2c242 axfUgM/BdjnZ2+9n0Wd2V+6fNqfV+Sc0e4FzAgg4piYdloOPjZ2H2Gg0KXhfSqAm9B5+O0TFCFPq5 biSN5P+z9XCjSAWzaXd3bytAki1dzfqu10TNA2bdwuIdrEvEajvW3Gpve1NCXeb3FeRBwkDTXD6d1 DanhilBAUIQCtEOVSqb3jgfOizibpu4By/860tXU/P8u9sSOmBw/20ZAf1dPYcbhsz4i3ilr0Py7y mtevxrYvy3j4QBysY8Sy57OZqzC+nICTXPRFsxQK+i+s2Mfep1L6t/ovM0JBzYW8xFnUzzSHY8a+W 9ffwqhsAqIrv1jHjEjXA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jS1O8-0004Ja-MR; Fri, 24 Apr 2020 16:41:16 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jS1MH-0000Df-KT for linux-arm-kernel@lists.infradead.org; Fri, 24 Apr 2020 16:39:23 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id ADA21C14; Fri, 24 Apr 2020 09:39:20 -0700 (PDT) Received: from melchizedek.cambridge.arm.com (melchizedek.cambridge.arm.com [10.1.196.50]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 3FB533F68F; Fri, 24 Apr 2020 09:39:20 -0700 (PDT) From: James Morse To: stable@vger.kernel.org Subject: [stable:PATCH 5/5 v4.19] arm64: Silence clang warning on mismatched value/register sizes Date: Fri, 24 Apr 2020 17:38:45 +0100 Message-Id: <20200424163845.4141-6-james.morse@arm.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20200424163845.4141-1-james.morse@arm.com> References: <20200424163845.4141-1-james.morse@arm.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200424_093921_805721_C8F8CE29 X-CRM114-Status: GOOD ( 11.13 ) X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [217.140.110.172 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org From: Catalin Marinas [ Upstream commit: 27a22fbdeedd6c5c451cf5f830d51782bf50c3a2 ] Clang reports a warning on the __tlbi(aside1is, 0) macro expansion since the value size does not match the register size specified in the inline asm. Construct the ASID value using the __TLBI_VADDR() macro. Fixes: 222fc0c8503d ("arm64: compat: Workaround Neoverse-N1 #1542419 for compat user-space") Reported-by: Nathan Chancellor Cc: James Morse Signed-off-by: Catalin Marinas Signed-off-by: James Morse --- arch/arm64/kernel/sys_compat.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/kernel/sys_compat.c b/arch/arm64/kernel/sys_compat.c index 5a9b220aef6c..3ef9d0a3ac1d 100644 --- a/arch/arm64/kernel/sys_compat.c +++ b/arch/arm64/kernel/sys_compat.c @@ -48,7 +48,7 @@ __do_compat_cache_op(unsigned long start, unsigned long end) * The workaround requires an inner-shareable tlbi. * We pick the reserved-ASID to minimise the impact. */ - __tlbi(aside1is, 0); + __tlbi(aside1is, __TLBI_VADDR(0, 0)); dsb(ish); }