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 DE826C433FF for ; Tue, 30 Jul 2019 05:53:58 +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 B32452087F for ; Tue, 30 Jul 2019 05:53:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="YwI3LnrX" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B32452087F Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ghiti.fr 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=EYSnntivP4r/uTX0ZVKL5g2JYo9rOLXAjEkDeqNXBfI=; b=YwI3LnrX+WG4hP OA5ip3CxuXI4dGwZGoVT22unmiXJXoOd+KKayUkG1PDicnKD8gXzrt3aGzmIX4A/GH3xYiDY9fPE1 I2E28tY4Se0QQrCp7KOMn5b/t6Vq9DEhGMVcGNQrrjjRw6XK1T6ORdaQoZyhVVkGRJ74h3IqRiCjE d/epplHDkky/9xkMuuJ4k3Ge5IHGs3Lp5reCLSmlsAal3h0mV0kNQIzs5cjvGPv553wfgiTVrMQq4 3WZ3Js6DfjlE3jOcoGKGiPVUnzcWCn0jHxJZsIQBYeSKoqWq/26/FR4jp3gsQ2gv2ApuxUm59z2Vh 8H4wfvObq9dK9VVwc4/g==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hsL55-0001li-S5; Tue, 30 Jul 2019 05:53:51 +0000 Received: from relay7-d.mail.gandi.net ([217.70.183.200]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hsL52-0001kS-FG; Tue, 30 Jul 2019 05:53:50 +0000 X-Originating-IP: 79.86.19.127 Received: from alex.numericable.fr (127.19.86.79.rev.sfr.net [79.86.19.127]) (Authenticated sender: alex@ghiti.fr) by relay7-d.mail.gandi.net (Postfix) with ESMTPSA id 8A9D220002; Tue, 30 Jul 2019 05:53:36 +0000 (UTC) From: Alexandre Ghiti To: Andrew Morton Subject: [PATCH v5 02/14] arm64: Make use of is_compat_task instead of hardcoding this test Date: Tue, 30 Jul 2019 01:51:01 -0400 Message-Id: <20190730055113.23635-3-alex@ghiti.fr> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190730055113.23635-1-alex@ghiti.fr> References: <20190730055113.23635-1-alex@ghiti.fr> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190729_225348_663184_94C95CC2 X-CRM114-Status: GOOD ( 10.55 ) 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: Albert Ou , Kees Cook , Alexandre Ghiti , Catalin Marinas , Palmer Dabbelt , Will Deacon , Russell King , Ralf Baechle , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Luis Chamberlain , Paul Burton , James Hogan , linux-fsdevel@vger.kernel.org, linux-riscv@lists.infradead.org, linux-mips@vger.kernel.org, Christoph Hellwig , linux-arm-kernel@lists.infradead.org, Alexander Viro 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 Each architecture has its own way to determine if a task is a compat task, by using is_compat_task in arch_mmap_rnd, it allows more genericity and then it prepares its moving to mm/. Signed-off-by: Alexandre Ghiti Acked-by: Catalin Marinas Acked-by: Kees Cook Reviewed-by: Christoph Hellwig Reviewed-by: Luis Chamberlain --- arch/arm64/mm/mmap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/mm/mmap.c b/arch/arm64/mm/mmap.c index b050641b5139..bb0140afed66 100644 --- a/arch/arm64/mm/mmap.c +++ b/arch/arm64/mm/mmap.c @@ -43,7 +43,7 @@ unsigned long arch_mmap_rnd(void) unsigned long rnd; #ifdef CONFIG_COMPAT - if (test_thread_flag(TIF_32BIT)) + if (is_compat_task()) rnd = get_random_long() & ((1UL << mmap_rnd_compat_bits) - 1); else #endif -- 2.20.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel