From patchwork Tue Apr 28 18:23:01 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: 226766 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 D9A70C83000 for ; Tue, 28 Apr 2020 18:55:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B5C8920575 for ; Tue, 28 Apr 2020 18:55:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588100138; bh=M0xuTTD2h8wYlWdVpKOED62go8ts3J0hXhOYPDJmHsI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=afW78PaP/BI8KYLf9wkmhCXPpqHqOwDR0FTjWi/8yi2cjuP6BBFh5epDcQQ2hXBGO Ngi3W1Wui/uMErGT0UWnwFE+9sjeoGA5eiBkOh9UELTcoow1dB0Z2/TfTHVsqfJcbl FoGzgF8W+HGgm3oqcUBI2r01SH2PSmA5CH2AQDqQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729799AbgD1ScZ (ORCPT ); Tue, 28 Apr 2020 14:32:25 -0400 Received: from mail.kernel.org ([198.145.29.99]:48562 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728972AbgD1ScY (ORCPT ); Tue, 28 Apr 2020 14:32:24 -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 3E91A20B80; Tue, 28 Apr 2020 18:32:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1588098743; bh=M0xuTTD2h8wYlWdVpKOED62go8ts3J0hXhOYPDJmHsI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ee+148I5OHR5NAgvi8hb4U2AGrLrOkMGYbfQU/JHYz0N/LZrg3zdaXQLaBsEVh4qk uyFWRVxyG2d/abKY7mKFcikJTeZcHznvFfNVkIUmNPI5mxSpOviiYHzfZg4Tu+v8SA zYqJsZmIQ+/3on2ni9gerrMJrl5fbymOQikYRVJM= 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 5.4 007/168] arm64: Silence clang warning on mismatched value/register sizes Date: Tue, 28 Apr 2020 20:23:01 +0200 Message-Id: <20200428182232.589612520@linuxfoundation.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200428182231.704304409@linuxfoundation.org> References: <20200428182231.704304409@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 c9fb02927d3e5..3c18c2454089b 100644 --- a/arch/arm64/kernel/sys_compat.c +++ b/arch/arm64/kernel/sys_compat.c @@ -37,7 +37,7 @@ __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); }