From: Vincenzo Frascino <vincenzo.frascino@arm.com> 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 <vincenzo.frascino@arm.com>, Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will.deacon@arm.com>, Arnd Bergmann <arnd@arndb.de>, Russell King <linux@armlinux.org.uk>, Paul Burton <paul.burton@mips.com>, Thomas Gleixner <tglx@linutronix.de>, Andy Lutomirski <luto@kernel.org>, Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>, Stephen Boyd <sboyd@kernel.org>, Mark Salyzyn <salyzyn@android.com>, Kees Cook <keescook@chromium.org>, Peter Collingbourne <pcc@google.com>, Dmitry Safonov <0x7f454c46@gmail.com>, Andrei Vagin <avagin@openvz.org>, Nick Desaulniers <ndesaulniers@google.com>, Marc Zyngier <maz@kernel.org>, Mark Rutland <Mark.Rutland@arm.com> Subject: [PATCH v4 12/26] linux/time64.h: Extract common header for vDSO Date: Tue, 17 Mar 2020 12:22:06 +0000 [thread overview] Message-ID: <20200317122220.30393-13-vincenzo.frascino@arm.com> (raw) In-Reply-To: <20200317122220.30393-1-vincenzo.frascino@arm.com> 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 <vincenzo.frascino@arm.com> --- 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 <linux/math64.h> +#include <vdso/time64.h> 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 */ -- 2.25.1
WARNING: multiple messages have this Message-ID (diff)
From: Vincenzo Frascino <vincenzo.frascino@arm.com> 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: Mark Rutland <Mark.Rutland@arm.com>, Nick Desaulniers <ndesaulniers@google.com>, Dmitry Safonov <0x7f454c46@gmail.com>, Kees Cook <keescook@chromium.org>, Arnd Bergmann <arnd@arndb.de>, Stephen Boyd <sboyd@kernel.org>, Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will.deacon@arm.com>, Russell King <linux@armlinux.org.uk>, Mark Salyzyn <salyzyn@android.com>, Paul Burton <paul.burton@mips.com>, Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>, Andy Lutomirski <luto@kernel.org>, Marc Zyngier <maz@kernel.org>, Thomas Gleixner <tglx@linutronix.de>, Vincenzo Frascino <vincenzo.frascino@arm.com>, Peter Collingbourne <pcc@google.com>, Andrei Vagin <avagin@openvz.org> Subject: [PATCH v4 12/26] linux/time64.h: Extract common header for vDSO Date: Tue, 17 Mar 2020 12:22:06 +0000 [thread overview] Message-ID: <20200317122220.30393-13-vincenzo.frascino@arm.com> (raw) In-Reply-To: <20200317122220.30393-1-vincenzo.frascino@arm.com> 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 <vincenzo.frascino@arm.com> --- 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 <linux/math64.h> +#include <vdso/time64.h> 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 */ -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2020-03-17 12:23 UTC|newest] Thread overview: 108+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-03-17 12:21 [PATCH v4 00/26] Introduce common headers for vDSO Vincenzo Frascino 2020-03-17 12:21 ` Vincenzo Frascino 2020-03-17 12:21 ` [PATCH v4 01/26] linux/const.h: Extract common header " Vincenzo Frascino 2020-03-17 12:21 ` Vincenzo Frascino 2020-03-17 12:21 ` [PATCH v4 02/26] linux/bits.h: " Vincenzo Frascino 2020-03-17 12:21 ` Vincenzo Frascino 2020-03-17 12:21 ` [PATCH v4 03/26] linux/limits.h: " Vincenzo Frascino 2020-03-17 12:21 ` Vincenzo Frascino 2020-03-17 12:21 ` [PATCH v4 04/26] x86:Introduce asm/vdso/clocksource.h Vincenzo Frascino 2020-03-17 12:21 ` Vincenzo Frascino 2020-03-17 12:21 ` [PATCH v4 05/26] arm: Introduce asm/vdso/clocksource.h Vincenzo Frascino 2020-03-17 12:21 ` Vincenzo Frascino 2020-03-17 12:22 ` [PATCH v4 06/26] arm64: " Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino 2020-03-17 12:22 ` [PATCH v4 07/26] mips: " Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino 2020-03-17 12:22 ` [PATCH v4 08/26] linux/clocksource.h: Extract common header for vDSO Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino 2020-03-17 12:22 ` [PATCH v4 09/26] linux/math64.h: " Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino 2020-03-17 12:22 ` [PATCH v4 10/26] linux/time.h: " Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino 2020-03-17 12:22 ` [PATCH v4 11/26] linux/time32.h: " Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino [this message] 2020-03-17 12:22 ` [PATCH v4 12/26] linux/time64.h: " Vincenzo Frascino 2020-03-17 12:22 ` [PATCH v4 13/26] linux/jiffies.h: " Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino 2020-03-17 12:22 ` [PATCH v4 14/26] linux/ktime.h: " Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino 2020-03-17 12:22 ` [PATCH v4 15/26] common: Introduce processor.h Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino 2020-03-17 12:22 ` [PATCH v4 16/26] scripts: Fix the inclusion order in modpost Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino 2020-03-17 12:22 ` [PATCH v4 17/26] linux/elfnote.h: Replace elf.h with UAPI equivalent Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino 2020-03-17 12:22 ` [PATCH v4 18/26] arm64: vdso32: Replace TASK_SIZE_32 check in vgettimeofday Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino 2020-03-17 14:38 ` Catalin Marinas 2020-03-17 14:38 ` Catalin Marinas 2020-03-17 14:38 ` Catalin Marinas 2020-03-17 15:04 ` Vincenzo Frascino 2020-03-17 15:04 ` Vincenzo Frascino 2020-03-17 15:04 ` Vincenzo Frascino 2020-03-17 15:50 ` Catalin Marinas 2020-03-17 15:50 ` Catalin Marinas 2020-03-17 15:50 ` Catalin Marinas 2020-03-17 16:40 ` Vincenzo Frascino 2020-03-17 16:40 ` Vincenzo Frascino 2020-03-17 16:40 ` Vincenzo Frascino 2020-03-17 16:43 ` Vincenzo Frascino 2020-03-17 16:43 ` Vincenzo Frascino 2020-03-17 16:43 ` Vincenzo Frascino 2020-03-17 17:48 ` Catalin Marinas 2020-03-17 17:48 ` Catalin Marinas 2020-03-17 17:48 ` Catalin Marinas 2020-03-18 16:14 ` Vincenzo Frascino 2020-03-18 16:14 ` Vincenzo Frascino 2020-03-18 16:14 ` Vincenzo Frascino 2020-03-18 18:36 ` Catalin Marinas 2020-03-18 18:36 ` Catalin Marinas 2020-03-18 18:36 ` Catalin Marinas 2020-03-19 12:38 ` Vincenzo Frascino 2020-03-19 12:38 ` Vincenzo Frascino 2020-03-19 12:38 ` Vincenzo Frascino 2020-03-19 18:10 ` Catalin Marinas 2020-03-19 18:10 ` Catalin Marinas 2020-03-19 18:10 ` Catalin Marinas 2020-03-20 13:05 ` Vincenzo Frascino 2020-03-20 13:05 ` Vincenzo Frascino 2020-03-20 13:05 ` Vincenzo Frascino 2020-03-20 14:22 ` Catalin Marinas 2020-03-20 14:22 ` Catalin Marinas 2020-03-20 14:22 ` Catalin Marinas 2020-03-20 14:41 ` Vincenzo Frascino 2020-03-20 14:41 ` Vincenzo Frascino 2020-03-20 14:41 ` Vincenzo Frascino 2020-03-19 15:49 ` Andy Lutomirski 2020-03-19 15:49 ` Andy Lutomirski 2020-03-19 15:49 ` Andy Lutomirski 2020-03-19 16:58 ` Vincenzo Frascino 2020-03-19 16:58 ` Vincenzo Frascino 2020-03-19 16:58 ` Vincenzo Frascino 2020-03-19 18:32 ` Will Deacon 2020-03-19 18:32 ` Will Deacon 2020-03-19 18:32 ` Will Deacon 2020-03-21 14:33 ` [tip: timers/core] arm64: vdso32: Code clean up tip-bot2 for Vincenzo Frascino 2020-03-17 12:22 ` [PATCH v4 19/26] arm64: Introduce asm/vdso/processor.h Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino 2020-03-17 17:52 ` Catalin Marinas 2020-03-17 17:52 ` Catalin Marinas 2020-03-17 17:52 ` Catalin Marinas 2020-03-17 12:22 ` [PATCH v4 20/26] arm64: vdso: Include common headers in the vdso library Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino 2020-03-17 12:22 ` [PATCH v4 21/26] arm64: vdso32: " Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino 2020-03-17 12:22 ` [PATCH v4 22/26] mips: vdso: Enable mips to use common headers Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino 2020-03-17 12:22 ` [PATCH v4 23/26] x86: vdso: Enable x86 " Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino 2020-03-17 12:22 ` [PATCH v4 24/26] arm: vdso: Enable arm " Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino 2020-03-17 12:22 ` [PATCH v4 25/26] lib: vdso: Enable " Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino 2020-03-17 12:22 ` [PATCH v4 26/26] arm64: vdso32: Enable Clang Compilation Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino 2020-03-17 12:22 ` Vincenzo Frascino
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