From patchwork Fri Jun 1 11:24:23 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Rutland X-Patchwork-Id: 137508 Delivered-To: patch@linaro.org Received: by 2002:a2e:9706:0:0:0:0:0 with SMTP id r6-v6csp805073lji; Fri, 1 Jun 2018 04:24:58 -0700 (PDT) X-Google-Smtp-Source: ADUXVKL7JpNkf7ruw6onmqw3njCxrCxpKcm8F4zDOMtloeZuDIZbLv30juvYwrAJPqjNAxU5XQ/V X-Received: by 2002:a63:ad4a:: with SMTP id y10-v6mr8570388pgo.330.1527852298711; Fri, 01 Jun 2018 04:24:58 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1527852298; cv=none; d=google.com; s=arc-20160816; b=nJK17+zvC3+GJ+M1SafiSEZkVicRK1H58NaALnivB0l/dfGbYwHHvsw9V5fJAKHA5Q e5GkoCuhBko7FsNPqm/yqjExgtfafy/31RQLPW6p/5wwgMaJCu3RsIwXDtBmyn/QKj+N vAoOhnpLaecc6DErX4amQCyN3p3q+/AiRBhxmy3DGakpt4+xFG1mmiK/0qjvEeFbJxkN dV0BsljjZZodc5FmZshM90PUmNwKatrAgoC1PNwCInz0s94NXvxo1UTpgdYx9FY5uqdN fkx3azyn9yNQ6Mmg5JTphvvE2ig1pDveynym6qMnzFi0iPFzuwpJB5ci+MjOet7RYv7s W2zg== 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=TWEeKYTzV0e3mlfA8TWBsF+N4cvfB+5pArjCyNx6Cm8=; b=vMkDViHenSThnol4GoZbxL69RCMbOPu9qdIqjFYAyB7q86FOmmfaDHebHJMQr2IkW2 Kx5nrp79i9YFAP7KA4aRSAuYX+ElGP/kbR+ukDbNDoqzNTQ2G1J6UvMebDGu0diuwT9a n41aBOf/ebwndmcC0rleDeDKJe5USj1Z8hoGbBkMqIvDnXkoeQ1pSWiklMdjU+KjcqBP VzQdYsFybS3g4oI7jmiYIAXjWN5UNZagflacboRJd80bcPg5PFbuJiZSdSOxMpECERX3 29HwpRV6LpRbuKelbp2irpS+5Y4jfN+wnLWTfH3OjN70ux36S6VeZzBLNgI44vyFAu02 j8tw== 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 w2-v6si31554323pgs.676.2018.06.01.04.24.58; Fri, 01 Jun 2018 04:24:58 -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 S1751889AbeFALY5 (ORCPT + 30 others); Fri, 1 Jun 2018 07:24:57 -0400 Received: from usa-sjc-mx-foss1.foss.arm.com ([217.140.101.70]:50272 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751836AbeFALYw (ORCPT ); Fri, 1 Jun 2018 07:24:52 -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 7D7C715AB; Fri, 1 Jun 2018 04:24:52 -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 6758B3F25D; Fri, 1 Jun 2018 04:24:51 -0700 (PDT) From: Mark Rutland To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, will.deacon@arm.com, catalin.marinas@arm.com Cc: Mark Rutland Subject: [PATCHv2 01/19] arm64: consistently use unsigned long for thread flags Date: Fri, 1 Jun 2018 12:24:23 +0100 Message-Id: <20180601112441.37810-2-mark.rutland@arm.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20180601112441.37810-1-mark.rutland@arm.com> References: <20180601112441.37810-1-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 Cc: 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 154b7d30145d..8e624fec4707 100644 --- a/arch/arm64/kernel/signal.c +++ b/arch/arm64/kernel/signal.c @@ -896,7 +896,7 @@ 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