From patchwork Tue Mar 17 12:22:05 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vincenzo Frascino X-Patchwork-Id: 11442703 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 3B73E92A for ; Tue, 17 Mar 2020 12:23:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 256DD20736 for ; Tue, 17 Mar 2020 12:23:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727100AbgCQMX1 (ORCPT ); Tue, 17 Mar 2020 08:23:27 -0400 Received: from foss.arm.com ([217.140.110.172]:36800 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726916AbgCQMX1 (ORCPT ); Tue, 17 Mar 2020 08:23:27 -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 BCB9BFEC; Tue, 17 Mar 2020 05:23:26 -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 C7A783F534; Tue, 17 Mar 2020 05:23:23 -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 11/26] linux/time32.h: Extract common header for vDSO Date: Tue, 17 Mar 2020 12:22:05 +0000 Message-Id: <20200317122220.30393-12-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 time32.h into linux and common headers to make the latter suitable for inclusion in the vDSO library. Signed-off-by: Vincenzo Frascino --- include/linux/time32.h | 14 ++------------ include/vdso/time32.h | 17 +++++++++++++++++ 2 files changed, 19 insertions(+), 12 deletions(-) create mode 100644 include/vdso/time32.h diff --git a/include/linux/time32.h b/include/linux/time32.h index cad4c3186002..0933f28214c0 100644 --- a/include/linux/time32.h +++ b/include/linux/time32.h @@ -12,19 +12,9 @@ #include #include -#define TIME_T_MAX (__kernel_old_time_t)((1UL << ((sizeof(__kernel_old_time_t) << 3) - 1)) - 1) - -typedef s32 old_time32_t; - -struct old_timespec32 { - old_time32_t tv_sec; - s32 tv_nsec; -}; +#include -struct old_timeval32 { - old_time32_t tv_sec; - s32 tv_usec; -}; +#define TIME_T_MAX (__kernel_old_time_t)((1UL << ((sizeof(__kernel_old_time_t) << 3) - 1)) - 1) struct old_itimerspec32 { struct old_timespec32 it_interval; diff --git a/include/vdso/time32.h b/include/vdso/time32.h new file mode 100644 index 000000000000..fdf56f932f67 --- /dev/null +++ b/include/vdso/time32.h @@ -0,0 +1,17 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __VDSO_TIME32_H +#define __VDSO_TIME32_H + +typedef s32 old_time32_t; + +struct old_timespec32 { + old_time32_t tv_sec; + s32 tv_nsec; +}; + +struct old_timeval32 { + old_time32_t tv_sec; + s32 tv_usec; +}; + +#endif /* __VDSO_TIME32_H */