From: Vincenzo Frascino <vincenzo.frascino@arm.com> 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 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 v3 11/26] linux/time32.h: Extract common header for vDSO Date: Fri, 13 Mar 2020 15:43:30 +0000 [thread overview] Message-ID: <20200313154345.56760-12-vincenzo.frascino@arm.com> (raw) In-Reply-To: <20200313154345.56760-1-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 time32.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/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 <linux/time64.h> #include <linux/timex.h> -#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 <vdso/time32.h> -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 */ -- 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, linux-mips@vger.kernel.org, clang-built-linux@googlegroups.com, 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 v3 11/26] linux/time32.h: Extract common header for vDSO Date: Fri, 13 Mar 2020 15:43:30 +0000 [thread overview] Message-ID: <20200313154345.56760-12-vincenzo.frascino@arm.com> (raw) In-Reply-To: <20200313154345.56760-1-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 time32.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/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 <linux/time64.h> #include <linux/timex.h> -#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 <vdso/time32.h> -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 */ -- 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:[~2020-03-13 15:44 UTC|newest] Thread overview: 133+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-03-13 15:43 [PATCH v3 00/26] Introduce common headers for vDSO Vincenzo Frascino 2020-03-13 15:43 ` Vincenzo Frascino 2020-03-13 15:43 ` [PATCH v3 01/26] linux/const.h: Extract common header " Vincenzo Frascino 2020-03-13 15:43 ` Vincenzo Frascino 2020-03-13 15:43 ` [PATCH v3 02/26] linux/bits.h: " Vincenzo Frascino 2020-03-13 15:43 ` Vincenzo Frascino 2020-03-13 15:43 ` [PATCH v3 03/26] linux/limits.h: " Vincenzo Frascino 2020-03-13 15:43 ` Vincenzo Frascino 2020-03-13 15:43 ` [PATCH v3 04/26] x86:Introduce asm/vdso/clocksource.h Vincenzo Frascino 2020-03-13 15:43 ` Vincenzo Frascino 2020-03-13 15:43 ` [PATCH v3 05/26] arm: Introduce asm/vdso/clocksource.h Vincenzo Frascino 2020-03-13 15:43 ` Vincenzo Frascino 2020-03-13 15:43 ` [PATCH v3 06/26] arm64: " Vincenzo Frascino 2020-03-13 15:43 ` Vincenzo Frascino 2020-03-15 18:29 ` Catalin Marinas 2020-03-15 18:29 ` Catalin Marinas 2020-03-15 18:29 ` Catalin Marinas 2020-03-13 15:43 ` [PATCH v3 07/26] mips: " Vincenzo Frascino 2020-03-13 15:43 ` Vincenzo Frascino 2020-03-13 15:43 ` [PATCH v3 08/26] linux/clocksource.h: Extract common header for vDSO Vincenzo Frascino 2020-03-13 15:43 ` Vincenzo Frascino 2020-03-13 15:43 ` [PATCH v3 09/26] linux/math64.h: " Vincenzo Frascino 2020-03-13 15:43 ` Vincenzo Frascino 2020-03-13 15:43 ` [PATCH v3 10/26] linux/time.h: " Vincenzo Frascino 2020-03-13 15:43 ` Vincenzo Frascino 2020-03-13 15:43 ` Vincenzo Frascino [this message] 2020-03-13 15:43 ` [PATCH v3 11/26] linux/time32.h: " Vincenzo Frascino 2020-03-13 15:43 ` [PATCH v3 12/26] linux/time64.h: " Vincenzo Frascino 2020-03-13 15:43 ` Vincenzo Frascino 2020-03-13 15:43 ` [PATCH v3 13/26] linux/jiffies.h: " Vincenzo Frascino 2020-03-13 15:43 ` Vincenzo Frascino 2020-03-13 15:43 ` Vincenzo Frascino 2020-03-13 15:43 ` [PATCH v3 14/26] linux/ktime.h: " Vincenzo Frascino 2020-03-13 15:43 ` Vincenzo Frascino 2020-03-13 15:43 ` [PATCH v3 15/26] common: Introduce processor.h Vincenzo Frascino 2020-03-13 15:43 ` Vincenzo Frascino 2020-03-13 15:43 ` [PATCH v3 16/26] scripts: Fix the inclusion order in modpost Vincenzo Frascino 2020-03-13 15:43 ` Vincenzo Frascino 2020-03-13 15:43 ` Vincenzo Frascino 2020-03-13 15:43 ` [PATCH v3 17/26] linux/elfnote.h: Replace elf.h with UAPI equivalent Vincenzo Frascino 2020-03-13 15:43 ` Vincenzo Frascino 2020-03-13 15:43 ` [PATCH v3 18/26] arm64: Introduce asm/vdso/processor.h Vincenzo Frascino 2020-03-13 15:43 ` Vincenzo Frascino 2020-03-15 18:30 ` Catalin Marinas 2020-03-15 18:30 ` Catalin Marinas 2020-03-15 18:30 ` Catalin Marinas 2020-03-16 9:42 ` Vincenzo Frascino 2020-03-16 9:42 ` Vincenzo Frascino 2020-03-16 9:42 ` Vincenzo Frascino 2020-03-16 10:22 ` Mark Rutland 2020-03-16 10:22 ` Mark Rutland 2020-03-16 10:22 ` Mark Rutland 2020-03-16 10:26 ` Catalin Marinas 2020-03-16 10:26 ` Catalin Marinas 2020-03-16 10:26 ` Catalin Marinas 2020-03-16 10:29 ` Mark Rutland 2020-03-16 10:29 ` Mark Rutland 2020-03-16 10:29 ` Mark Rutland 2020-03-16 10:30 ` Vincenzo Frascino 2020-03-16 10:30 ` Vincenzo Frascino 2020-03-16 10:30 ` Vincenzo Frascino 2020-03-16 10:29 ` Vincenzo Frascino 2020-03-16 10:29 ` Vincenzo Frascino 2020-03-16 10:29 ` Vincenzo Frascino 2020-03-16 10:34 ` Catalin Marinas 2020-03-16 10:34 ` Catalin Marinas 2020-03-16 10:34 ` Catalin Marinas 2020-03-16 10:55 ` Vincenzo Frascino 2020-03-16 10:55 ` Vincenzo Frascino 2020-03-16 10:55 ` Vincenzo Frascino 2020-03-16 11:22 ` Catalin Marinas 2020-03-16 11:22 ` Catalin Marinas 2020-03-16 11:22 ` Catalin Marinas 2020-03-16 13:35 ` Vincenzo Frascino 2020-03-16 13:35 ` Vincenzo Frascino 2020-03-16 13:35 ` Vincenzo Frascino 2020-03-16 14:43 ` Catalin Marinas 2020-03-16 14:43 ` Catalin Marinas 2020-03-16 14:43 ` Catalin Marinas 2020-03-16 15:33 ` Vincenzo Frascino 2020-03-16 15:33 ` Vincenzo Frascino 2020-03-16 15:33 ` Vincenzo Frascino 2020-03-16 15:49 ` Catalin Marinas 2020-03-16 15:49 ` Catalin Marinas 2020-03-16 15:49 ` Catalin Marinas 2020-03-16 16:05 ` Vincenzo Frascino 2020-03-16 16:05 ` Vincenzo Frascino 2020-03-16 16:05 ` Vincenzo Frascino 2020-03-13 15:43 ` [PATCH v3 19/26] arm64: vdso: Include common headers in the vdso library Vincenzo Frascino 2020-03-13 15:43 ` Vincenzo Frascino 2020-03-15 18:30 ` Catalin Marinas 2020-03-15 18:30 ` Catalin Marinas 2020-03-15 18:30 ` Catalin Marinas 2020-03-13 15:43 ` [PATCH v3 20/26] arm64: vdso32: " Vincenzo Frascino 2020-03-13 15:43 ` Vincenzo Frascino 2020-03-15 18:30 ` Catalin Marinas 2020-03-15 18:30 ` Catalin Marinas 2020-03-15 18:30 ` Catalin Marinas 2020-03-13 15:43 ` [PATCH v3 21/26] arm64: Introduce asm/vdso/arch_timer.h Vincenzo Frascino 2020-03-13 15:43 ` Vincenzo Frascino 2020-03-15 18:32 ` Catalin Marinas 2020-03-15 18:32 ` Catalin Marinas 2020-03-15 18:32 ` Catalin Marinas 2020-03-16 15:37 ` Vincenzo Frascino 2020-03-16 15:37 ` Vincenzo Frascino 2020-03-16 15:37 ` Vincenzo Frascino 2020-04-09 13:26 ` Will Deacon 2020-04-09 13:26 ` Will Deacon 2020-04-09 13:26 ` Will Deacon 2020-04-09 13:36 ` Vincenzo Frascino 2020-04-09 13:36 ` Vincenzo Frascino 2020-04-09 13:36 ` Vincenzo Frascino 2020-03-16 10:28 ` Mark Rutland 2020-03-16 10:28 ` Mark Rutland 2020-03-16 10:28 ` Mark Rutland 2020-03-13 15:43 ` [PATCH v3 22/26] mips: vdso: Enable mips to use common headers Vincenzo Frascino 2020-03-13 15:43 ` Vincenzo Frascino 2020-03-13 15:43 ` [PATCH v3 23/26] x86: vdso: Enable x86 " Vincenzo Frascino 2020-03-13 15:43 ` Vincenzo Frascino 2020-03-13 15:43 ` [PATCH v3 24/26] arm: vdso: Enable arm " Vincenzo Frascino 2020-03-13 15:43 ` Vincenzo Frascino 2020-03-13 15:43 ` [PATCH v3 25/26] lib: vdso: Enable " Vincenzo Frascino 2020-03-13 15:43 ` Vincenzo Frascino 2020-03-13 15:43 ` [PATCH v3 26/26] arm64: vdso32: Enable Clang Compilation Vincenzo Frascino 2020-03-13 15:43 ` Vincenzo Frascino 2020-03-13 15:43 ` Vincenzo Frascino 2020-03-16 9:17 ` Catalin Marinas 2020-03-16 9:17 ` Catalin Marinas 2020-03-16 9:17 ` Catalin Marinas 2020-03-13 16:19 ` [PATCH v3 00/26] Introduce common headers for vDSO Dmitry Safonov 2020-03-13 16:19 ` Dmitry Safonov 2020-03-15 10:02 ` Thomas Gleixner 2020-03-15 10:02 ` Thomas Gleixner
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