From patchwork Mon May 27 08:34:10 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Masahiro Yamada X-Patchwork-Id: 165200 Delivered-To: patch@linaro.org Received: by 2002:a92:9e1a:0:0:0:0:0 with SMTP id q26csp6873171ili; Mon, 27 May 2019 01:35:26 -0700 (PDT) X-Google-Smtp-Source: APXvYqwkpwRRsOzPDS2eVhQtK0j1c6K2MP4d477HMjmvw0dzVyxPZMh9XcC7OektIPL+id2XHOOx X-Received: by 2002:aa7:9e9a:: with SMTP id p26mr102079864pfq.176.1558946126428; Mon, 27 May 2019 01:35:26 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1558946126; cv=none; d=google.com; s=arc-20160816; b=CwV6YTMNPfJPHGrgPwWKCGSMdYiNJwGoJAhATfePA6krHDidhUq14KbU4hQwbSKPGA Wy4+1S+l5rDr5iLP5BEv4Y9bU+9U29D62EmpfclTw6XBH+SLG1U/SZvHzlkmOQUpkuLN kdZ8hIewjFXf7cNkIYXI7mm+eO3dtuygN/0fHDT7083T0vH2BYcOuDoEjWMi4oEb8Iah XokAdPXsvRfCeb+dykaPpVzua5VPSvjQrLe2qWl/BxX5qYbqZ2KVaFybOpYUXK1KyynB dpvorO1BQ/xB8ULLotAH3tYIIH6vGP68wnCIvbhOhwXwRFRKCbaGGBThLr8MW+LpzgXP DtOw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:message-id:date:subject:cc:to:from :dkim-signature:dkim-filter; bh=uljHGbwcwma+Yj7XR85d+MU5D/JvVLcbwHSAmJZ31rU=; b=RDDCY0LRS74mzIjmn1K3sk7esU879NlpWRntOzwMo+hNG4Mn6bCDQ3tO8ohy2c+n0+ aJ/wX99msllbXugrWUySYDZx8nsX7nQpNFH/jdVkKzALIPyVvH0LL9jgiAM8DhGZnXfM o+D33etoPhzLTvV/9yAhZSG+K3pYhKjkdaY0Z+RWUBLZfMBC4s2q/D5eqj6BfwiMM49W Xcb20WnNA6d0AtJPJN4ZVHnmn9nRVGUIh3SdhIjUvVcc9yhplDpjeqrNMc+weMvymMQn NVEzP3+TaFpxYWaM274V4KKRLa/zAFnqOzZlaSCRu3kkqEo7o7JAPL/wUnKgGr/BzE7o uZ+A== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@nifty.com header.s=dec2015msa header.b=zqPVOvMo; 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 t4si17948731pfh.261.2019.05.27.01.35.26; Mon, 27 May 2019 01:35:26 -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; dkim=pass header.i=@nifty.com header.s=dec2015msa header.b=zqPVOvMo; 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 S1726653AbfE0IfZ (ORCPT + 30 others); Mon, 27 May 2019 04:35:25 -0400 Received: from conuserg-10.nifty.com ([210.131.2.77]:51235 "EHLO conuserg-10.nifty.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726543AbfE0IfT (ORCPT ); Mon, 27 May 2019 04:35:19 -0400 Received: from localhost.localdomain (p14092-ipngnfx01kyoto.kyoto.ocn.ne.jp [153.142.97.92]) (authenticated) by conuserg-10.nifty.com with ESMTP id x4R8Yoq3030794; Mon, 27 May 2019 17:34:51 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conuserg-10.nifty.com x4R8Yoq3030794 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.com; s=dec2015msa; t=1558946091; bh=uljHGbwcwma+Yj7XR85d+MU5D/JvVLcbwHSAmJZ31rU=; h=From:To:Cc:Subject:Date:From; b=zqPVOvMowzvhINtwY2QxxN5u+dR1diQPRnYA2a3M5M+kf2exzqxxTqLujOt6DnGP2 QsZwnXgdU1DFX8JbiZ57RTbw7zer6uVU2zbmc8KVZORVipqdBlcC8/FD7CF162ibws A7l3HW7fp/NLvq+uKuXpXggu/FXN4avIJrKlEXEQpM/knEb+g5QTEcP0+rvtGO1H5Y Z4QX75CfgEH0y3qbfD9hCs5WPHzBqcrJ6L7xvyMPth/K07KXzA8/hbWXsKI5Eq1CxY AoJx1kd3wjdp5OM5xyxVWSa6usleyGgXM/MYlU7cR93MBPLV8avC3v62/TIkS2JCMy vwmid5QDw46NQ== X-Nifty-SrcIP: [153.142.97.92] From: Masahiro Yamada To: linux-arm-kernel@lists.infradead.org, Will Deacon Cc: linux-kernel@vger.kernel.org, Catalin Marinas , Masahiro Yamada Subject: [PATCH 0/2] Allow assembly code to use BIT(), GENMASK(), etc. and clean-up arm64 header Date: Mon, 27 May 2019 17:34:10 +0900 Message-Id: <20190527083412.26651-1-yamada.masahiro@socionext.com> X-Mailer: git-send-email 2.17.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Some in-kernel headers use _BITUL() instead of BIT(). arch/arm64/include/asm/sysreg.h arch/s390/include/asm/*.h I think the reason is because BIT() is currently not available in assembly. It hard-codes 1UL, which is not available in assembly. 1/2 replaced 1UL -> UL(1) 0UL -> UL(0) 1ULL -> ULL(1) 0ULL -> ULL(0) With this, there is no more restriction that prevents assembly code from using them. 2/2 is a clean-up as as example. I can contribute to cleanups of arch/s390/, etc. once this series lands in upstream. I hope both patches can go in the arm64 tree. Masahiro Yamada (2): linux/bits.h: make BIT(), GENMASK(), and friends available in assembly arm64: replace _BITUL() with BIT() arch/arm64/include/asm/sysreg.h | 82 ++++++++++++++++----------------- include/linux/bits.h | 17 ++++--- 2 files changed, 51 insertions(+), 48 deletions(-) -- 2.17.1