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 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,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 991C0C54FD0 for ; Fri, 24 Apr 2020 16:39:34 +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 5D4E520857 for ; Fri, 24 Apr 2020 16:39:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="YNaipcpZ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5D4E520857 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+infradead-linux-arm-kernel=archiver.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=bHCyqNQV2KHfeVzMI//C2CxCPsG1H98o0EWSd0hMqwk=; b=YNaipcpZKnGkEv Cvb8PJ2zhTzhHW5mrrn/CNX802+tYOiKSYue09YSwTn391pxynb9oAl2A6dTH4E7lvaT7uDYQieIn ttvxb+J+F2Cxweu0xVxWkmkc8mQhiIhk25tfY4zGdZOguVm/WHhvRMu8blvhSmsD5R+6XvyfIuchz ZeMrwH10CMJc/udByCVL9lvhgGg04T7eKLqqbmk0g2wUGdCHlPTbMfXo43q6E+3m2CBXEEiWDmzyQ ZMjZOdrhDijSFZQF4ffIoEiWo2fIchVBcfHdFcqsvuDWXwrWLNw4wQ0UzX7LJp9KsGFK3mqv5HO+x b5+r/uJvq9ixM2DFVMKQ==; 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 1jS1MP-0000J2-L9; Fri, 24 Apr 2020 16:39:29 +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 1jS1LV-0007xC-7F for linux-arm-kernel@lists.infradead.org; Fri, 24 Apr 2020 16:38:34 +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 D0E53C14; Fri, 24 Apr 2020 09:38:32 -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 62F0F3F68F; Fri, 24 Apr 2020 09:38:32 -0700 (PDT) From: James Morse To: stable@vger.kernel.org Subject: [stable:PATCH 4/4 v5.4] arm64: Silence clang warning on mismatched value/register sizes Date: Fri, 24 Apr 2020 17:38:05 +0100 Message-Id: <20200424163805.4087-5-james.morse@arm.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20200424163805.4087-1-james.morse@arm.com> References: <20200424163805.4087-1-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_093833_310589_A7CDD9FE X-CRM114-Status: GOOD ( 11.02 ) 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 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.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 c9fb02927d3e..3c18c2454089 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); } -- 2.19.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel