From patchwork Tue Mar 17 12:22:06 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vincenzo Frascino X-Patchwork-Id: 11442705 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 D96801820 for ; Tue, 17 Mar 2020 12:23:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C419120767 for ; Tue, 17 Mar 2020 12:23:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727128AbgCQMXa (ORCPT ); Tue, 17 Mar 2020 08:23:30 -0400 Received: from foss.arm.com ([217.140.110.172]:36832 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727081AbgCQMXa (ORCPT ); Tue, 17 Mar 2020 08:23:30 -0400 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 E84CD101E; Tue, 17 Mar 2020 05:23:29 -0700 (PDT) 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 F2A093F534; Tue, 17 Mar 2020 05:23:26 -0700 (PDT) From: Vincenzo Frascino To: linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, clang-built-linux@googlegroups.com, linux-mips@vger.kernel.org, x86@kernel.org Cc: Vincenzo Frascino , Catalin Marinas , Will Deacon , Arnd Bergmann , Russell King , Paul Burton , Thomas Gleixner , Andy Lutomirski , Ingo Molnar , Borislav Petkov , Stephen Boyd , Mark Salyzyn , Kees Cook , Peter Collingbourne , Dmitry Safonov <0x7f454c46@gmail.com>, Andrei Vagin , Nick Desaulniers , Marc Zyngier , Mark Rutland Subject: [PATCH v4 12/26] linux/time64.h: Extract common header for vDSO Date: Tue, 17 Mar 2020 12:22:06 +0000 Message-Id: <20200317122220.30393-13-vincenzo.frascino@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200317122220.30393-1-vincenzo.frascino@arm.com> References: <20200317122220.30393-1-vincenzo.frascino@arm.com> MIME-Version: 1.0 Sender: linux-mips-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.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 time64.h into linux and common headers to make the latter suitable for inclusion in the vDSO library. Signed-off-by: Vincenzo Frascino --- include/linux/time64.h | 10 +--------- include/vdso/time64.h | 14 ++++++++++++++ 2 files changed, 15 insertions(+), 9 deletions(-) create mode 100644 include/vdso/time64.h diff --git a/include/linux/time64.h b/include/linux/time64.h index 19125489ae94..c9dcb3e5781f 100644 --- a/include/linux/time64.h +++ b/include/linux/time64.h @@ -3,6 +3,7 @@ #define _LINUX_TIME64_H #include +#include typedef __s64 time64_t; typedef __u64 timeu64_t; @@ -19,15 +20,6 @@ struct itimerspec64 { struct timespec64 it_value; }; -/* Parameters used to convert the timespec values: */ -#define MSEC_PER_SEC 1000L -#define USEC_PER_MSEC 1000L -#define NSEC_PER_USEC 1000L -#define NSEC_PER_MSEC 1000000L -#define USEC_PER_SEC 1000000L -#define NSEC_PER_SEC 1000000000L -#define FSEC_PER_SEC 1000000000000000LL - /* Located here for timespec[64]_valid_strict */ #define TIME64_MAX ((s64)~((u64)1 << 63)) #define TIME64_MIN (-TIME64_MAX - 1) diff --git a/include/vdso/time64.h b/include/vdso/time64.h new file mode 100644 index 000000000000..9d43c3f5e89d --- /dev/null +++ b/include/vdso/time64.h @@ -0,0 +1,14 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __VDSO_TIME64_H +#define __VDSO_TIME64_H + +/* Parameters used to convert the timespec values: */ +#define MSEC_PER_SEC 1000L +#define USEC_PER_MSEC 1000L +#define NSEC_PER_USEC 1000L +#define NSEC_PER_MSEC 1000000L +#define USEC_PER_SEC 1000000L +#define NSEC_PER_SEC 1000000000L +#define FSEC_PER_SEC 1000000000000000LL + +#endif /* __VDSO_TIME64_H */