From patchwork Thu Feb 13 16:15:57 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vincenzo Frascino X-Patchwork-Id: 11380725 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id F3273186E for ; Thu, 13 Feb 2020 16:17:20 +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 CD039222C2 for ; Thu, 13 Feb 2020 16:17:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="L5N4IErq" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CD039222C2 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.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=KJune9R41S2QbBxCUGfpSx49FF8mAteLsokgVD4i56w=; b=L5N4IErqMNbbKE yaNJB07OKMuoA5lQiQTBx+hkrXIa5ZfQBDGElgOkKPQtrq43c/FF3hZK8qpj/ue5fL0TmopBhVIQm MLvqtHgry/R4wybNay2A0xbQ7m1L1N3QRzfRsMClIOlCN10V9xaYCnXGGDqjHsDLmJh2xjRpEwznF Bfgy9IoXFzOO5AbMnlJyU7qNxRtmUEOzmH8AuI1bJoEoOLbUupuk//ItKtEZ8FzHQQgt+OvvUtUVD 1Ul0m5scOB3+OLTtcO3Rs+JZSBS9AYa53lOog7qEMq7CzAj2RC655eNyuzZ7XATji5VwtUMDguFps 8kFBTP9tSIHN0n+VgiuA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1j2HB1-0004IM-FW; Thu, 13 Feb 2020 16:17:19 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1j2HAW-0003lx-TS for linux-arm-kernel@lists.infradead.org; Thu, 13 Feb 2020 16:16:50 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 680AC1063; Thu, 13 Feb 2020 08:16:48 -0800 (PST) Received: from e119884-lin.cambridge.arm.com (e119884-lin.cambridge.arm.com [10.1.196.72]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id DB9DD3F6CF; Thu, 13 Feb 2020 08:16:45 -0800 (PST) From: Vincenzo Frascino To: linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org, clang-built-linux@googlegroups.com, x86@kernel.org Subject: [PATCH 02/19] linux/bits.h: Extract common header for vDSO Date: Thu, 13 Feb 2020 16:15:57 +0000 Message-Id: <20200213161614.23246-3-vincenzo.frascino@arm.com> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200213161614.23246-1-vincenzo.frascino@arm.com> References: <20200213161614.23246-1-vincenzo.frascino@arm.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200213_081648_996033_7D6A128B X-CRM114-Status: GOOD ( 11.72 ) X-Spam-Score: -2.3 (--) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (-2.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [217.140.110.172 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 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: ndesaulniers@google.com, 0x7f454c46@gmail.com, avagin@openvz.org, arnd@arndb.de, sboyd@kernel.org, catalin.marinas@arm.com, will.deacon@arm.com, linux@armlinux.org.uk, salyzyn@android.com, paul.burton@mips.com, mingo@redhat.com, bp@alien8.de, luto@kernel.org, tglx@linutronix.de, pcc@google.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org The vDSO library should only include the necessary headers required for a userspace library (UAPI and a minimal set of kernel headers). To make this possible it is necessary to isolate from the kernel headers the common parts that are strictly necessary to build the library. Split bits.h into linux and common headers to make the latter suitable for inclusion in the vDSO library. Signed-off-by: Vincenzo Frascino --- include/common/bits.h | 9 +++++++++ include/linux/bits.h | 2 +- 2 files changed, 10 insertions(+), 1 deletion(-) create mode 100644 include/common/bits.h diff --git a/include/common/bits.h b/include/common/bits.h new file mode 100644 index 000000000000..6da493992e52 --- /dev/null +++ b/include/common/bits.h @@ -0,0 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __COMMON_BITS_H +#define __COMMON_BITS_H + +#include + +#define BIT(nr) (UL(1) << (nr)) + +#endif /* __COMMON_BITS_H */ diff --git a/include/linux/bits.h b/include/linux/bits.h index 669d69441a62..aeb76fede77a 100644 --- a/include/linux/bits.h +++ b/include/linux/bits.h @@ -3,9 +3,9 @@ #define __LINUX_BITS_H #include +#include #include -#define BIT(nr) (UL(1) << (nr)) #define BIT_ULL(nr) (ULL(1) << (nr)) #define BIT_MASK(nr) (UL(1) << ((nr) % BITS_PER_LONG)) #define BIT_WORD(nr) ((nr) / BITS_PER_LONG)