From patchwork Mon Jul 2 11:03:57 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Rutland X-Patchwork-Id: 10501089 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 4339C60325 for ; Mon, 2 Jul 2018 11:09:48 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3353128702 for ; Mon, 2 Jul 2018 11:09:48 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 250BF28775; Mon, 2 Jul 2018 11:09:48 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1D0C628702 for ; Mon, 2 Jul 2018 11:09:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934151AbeGBLE0 (ORCPT ); Mon, 2 Jul 2018 07:04:26 -0400 Received: from foss.arm.com ([217.140.101.70]:57442 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933051AbeGBLEZ (ORCPT ); Mon, 2 Jul 2018 07:04:25 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id E03A81529; Mon, 2 Jul 2018 04:04:24 -0700 (PDT) Received: from lakrids.cambridge.arm.com (usa-sjc-imap-foss1.foss.arm.com [10.72.51.249]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id C662A3F5BA; Mon, 2 Jul 2018 04:04:22 -0700 (PDT) From: Mark Rutland To: linux-arm-kernel@lists.infradead.org, will.deacon@arm.com Cc: linux-kernel@vger.kernel.org, catalin.marinas@arm.com, dave.martin@arm.com, hch@infradead.org, james.morse@arm.com, linux@dominikbrodowski.net, linux-fsdevel@vger.kernel.org, marc.zyngier@arm.com, mark.rutland@arm.com, viro@zeniv.linux.org.uk Subject: [PATCHv4 01/19] arm64: consistently use unsigned long for thread flags Date: Mon, 2 Jul 2018 12:03:57 +0100 Message-Id: <20180702110415.10465-2-mark.rutland@arm.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20180702110415.10465-1-mark.rutland@arm.com> References: <20180702110415.10465-1-mark.rutland@arm.com> Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP In do_notify_resume, we manipulate thread_flags as a 32-bit unsigned int, whereas thread_info::flags is a 64-bit unsigned long, and elsewhere (e.g. in the entry assembly) we manipulate the flags as a 64-bit quantity. For consistency, and to avoid problems if we end up with more than 32 flags, let's make do_notify_resume take the flags as a 64-bit unsigned long. Signed-off-by: Mark Rutland Reviewed-by: Dave Martin Acked-by: Catalin Marinas Cc: Will Deacon --- arch/arm64/kernel/signal.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/kernel/signal.c b/arch/arm64/kernel/signal.c index 511af13e8d8f..70287634706e 100644 --- a/arch/arm64/kernel/signal.c +++ b/arch/arm64/kernel/signal.c @@ -910,7 +910,7 @@ static void do_signal(struct pt_regs *regs) } asmlinkage void do_notify_resume(struct pt_regs *regs, - unsigned int thread_flags) + unsigned long thread_flags) { /* * The assembly code enters us with IRQs off, but it hasn't