From patchwork Tue Apr 28 18:23:42 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "gregkh@linuxfoundation.org" X-Patchwork-Id: 226742 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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable 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 81415C83004 for ; Tue, 28 Apr 2020 18:58:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5169B20575 for ; Tue, 28 Apr 2020 18:58:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588100332; bh=OTZ+ErN3r00KAVGJdxg0S/gLRj0CxBmRG3ZKxw2O9fc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=zZ3lcD/Sbv4L2si3pkxnpt9CNfYvvhsI7BURoDGYWPDeN969FiUotwlFh9mla7eeY qKKN9hAzpcAss0GP0npOWhb/9EuLnqb/lLFgJRAxl6wyK8jO3iHTsFxcg9ySBMRWZa ppHR8sWybghTHzd9O9Uyatuvppk5cTpN5TwbGNow= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729248AbgD1S3A (ORCPT ); Tue, 28 Apr 2020 14:29:00 -0400 Received: from mail.kernel.org ([198.145.29.99]:42346 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729278AbgD1S27 (ORCPT ); Tue, 28 Apr 2020 14:28:59 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 49471208E0; Tue, 28 Apr 2020 18:28:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588098538; bh=OTZ+ErN3r00KAVGJdxg0S/gLRj0CxBmRG3ZKxw2O9fc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=P7z/wzfhC4ohoIMqpBwCLq5KVbzWqjJSbdwEWVub+WHYm80L0vOJ25lHqwzpgDimd kPCiu+P77LzgcXu2X6BQI5GtCvVQae3/xmAkNbL+FosM6EQtLZQgGF+aCe3oIZaE85 yizhglBjT2DfTP1Q1CnYg3DVKomI3RIjrAhEUQso= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Nathan Chancellor , James Morse , Catalin Marinas , Sasha Levin Subject: [PATCH 4.19 010/131] arm64: Silence clang warning on mismatched value/register sizes Date: Tue, 28 Apr 2020 20:23:42 +0200 Message-Id: <20200428182226.500043031@linuxfoundation.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200428182224.822179290@linuxfoundation.org> References: <20200428182224.822179290@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.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 Signed-off-by: Sasha Levin --- 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 5a9b220aef6cf..3ef9d0a3ac1dc 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); }