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: 140724 Delivered-To: patch@linaro.org Received: by 2002:a2e:9754:0:0:0:0:0 with SMTP id f20-v6csp3853999ljj; Mon, 2 Jul 2018 04:04:33 -0700 (PDT) X-Google-Smtp-Source: AAOMgpddzbPeSMZjHkwoj33GO+p4nOsEoE/pZ5Cd2xCCGHOAKqm9hbpUbZx2b6kgT6CXf9oDzFDA X-Received: by 2002:a65:41c6:: with SMTP id b6-v6mr7824475pgq.174.1530529472909; Mon, 02 Jul 2018 04:04:32 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1530529472; cv=none; d=google.com; s=arc-20160816; b=wNhGYRUGpmNJsdTYVdJrqVelSPeWw1mfhEA4karJdKmHAxxJ5X7GT4wVN2aXXonFBX zEE6zzoc1WEm7x8f4GvY8vgbPjg86U/A5QfcQF8Haa3wbu+qPR/kS8R41zjUzAOIoKvF ZeO2jtG0gpuFDz4kXIZ5J2Q2w5dLQjPyV3TicnK9YDHEZLmbP6iBtw7uRjZmvWDDsvV9 jwA4o7POk2iNa5d91mEooCOouapmFc77lpvzEfqWXZOP68qaolZXnMsxzC9OQ9xUK8VD e8VzEcm9nzFkegATK2qLSghMAcRuwfwnPt4wnztlGOQJAIRvMRri91VrwCwucTGwMS0J gfYw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:references:in-reply-to:message-id:date :subject:cc:to:from:arc-authentication-results; bh=Y7XKzDQ0vFh1cwMZiAkFJVjdlBTry6n8VpmHxR3PUL0=; b=xqrZHPcfElVdDARNYwfhw+JIkWRpcWHThq2hcTtCcr3TzjcHy6HOYvChUtKtBnd194 ngp0FqpcsQjJd12yUv2CmkK17aaBO0V07QU91IrF309+TUKX6s/sAo6l/Mxlry/p80Up NoIAEmD01gKbg3602sJIdSSFTCzWH5gYinGsYxMpBWYCCmlY8lMitR+BIdjSdZysp/4C nbqHdUTvgcRRS1wb2fny8BsqYz2l8jrcFKOimTbVSLCUjTxcKzGrgJ9JOwM8Vjefpggf 7H4O7Qp5CC9ub/J6DGIsCfkAlEEoxSGHgtusSTy4a674L66dHwZNROdmXnLA/EhDWf/I LVLA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id b9-v6si17896170plk.111.2018.07.02.04.04.32; Mon, 02 Jul 2018 04:04:32 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934202AbeGBLEa (ORCPT + 31 others); Mon, 2 Jul 2018 07:04:30 -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-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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(-) -- 2.11.0 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