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: catalin.marinas@arm.com, will.deacon@arm.com, arnd@arndb.de, linux@armlinux.org.uk, paul.burton@mips.com, tglx@linutronix.de, luto@kernel.org, mingo@redhat.com, bp@alien8.de, sboyd@kernel.org, salyzyn@android.com, pcc@google.com, 0x7f454c46@gmail.com, ndesaulniers@google.com, avagin@openvz.org Subject: [PATCH 03/19] linux/limits.h: Extract common header for vDSO Date: Thu, 13 Feb 2020 16:15:58 +0000 [thread overview] Message-ID: <20200213161614.23246-4-vincenzo.frascino@arm.com> (raw) In-Reply-To: <20200213161614.23246-1-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 limits.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/common/limits.h | 18 ++++++++++++++++++ include/linux/limits.h | 13 +------------ 2 files changed, 19 insertions(+), 12 deletions(-) create mode 100644 include/common/limits.h diff --git a/include/common/limits.h b/include/common/limits.h new file mode 100644 index 000000000000..587269010add --- /dev/null +++ b/include/common/limits.h @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __COMMON_LIMITS_H +#define __COMMON_LIMITS_H + +#define USHRT_MAX ((unsigned short)~0U) +#define SHRT_MAX ((short)(USHRT_MAX >> 1)) +#define SHRT_MIN ((short)(-SHRT_MAX - 1)) +#define INT_MAX ((int)(~0U >> 1)) +#define INT_MIN (-INT_MAX - 1) +#define UINT_MAX (~0U) +#define LONG_MAX ((long)(~0UL >> 1)) +#define LONG_MIN (-LONG_MAX - 1) +#define ULONG_MAX (~0UL) +#define LLONG_MAX ((long long)(~0ULL >> 1)) +#define LLONG_MIN (-LLONG_MAX - 1) +#define ULLONG_MAX (~0ULL) + +#endif /* __COMMON_LIMITS_H */ diff --git a/include/linux/limits.h b/include/linux/limits.h index 76afcd24ff8c..ac20d2b2edd9 100644 --- a/include/linux/limits.h +++ b/include/linux/limits.h @@ -4,19 +4,8 @@ #include <uapi/linux/limits.h> #include <linux/types.h> +#include <common/limits.h> -#define USHRT_MAX ((unsigned short)~0U) -#define SHRT_MAX ((short)(USHRT_MAX >> 1)) -#define SHRT_MIN ((short)(-SHRT_MAX - 1)) -#define INT_MAX ((int)(~0U >> 1)) -#define INT_MIN (-INT_MAX - 1) -#define UINT_MAX (~0U) -#define LONG_MAX ((long)(~0UL >> 1)) -#define LONG_MIN (-LONG_MAX - 1) -#define ULONG_MAX (~0UL) -#define LLONG_MAX ((long long)(~0ULL >> 1)) -#define LLONG_MIN (-LLONG_MAX - 1) -#define ULLONG_MAX (~0ULL) #define SIZE_MAX (~(size_t)0) #define PHYS_ADDR_MAX (~(phys_addr_t)0) -- 2.25.0
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: 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 Subject: [PATCH 03/19] linux/limits.h: Extract common header for vDSO Date: Thu, 13 Feb 2020 16:15:58 +0000 [thread overview] Message-ID: <20200213161614.23246-4-vincenzo.frascino@arm.com> (raw) In-Reply-To: <20200213161614.23246-1-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 limits.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/common/limits.h | 18 ++++++++++++++++++ include/linux/limits.h | 13 +------------ 2 files changed, 19 insertions(+), 12 deletions(-) create mode 100644 include/common/limits.h diff --git a/include/common/limits.h b/include/common/limits.h new file mode 100644 index 000000000000..587269010add --- /dev/null +++ b/include/common/limits.h @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __COMMON_LIMITS_H +#define __COMMON_LIMITS_H + +#define USHRT_MAX ((unsigned short)~0U) +#define SHRT_MAX ((short)(USHRT_MAX >> 1)) +#define SHRT_MIN ((short)(-SHRT_MAX - 1)) +#define INT_MAX ((int)(~0U >> 1)) +#define INT_MIN (-INT_MAX - 1) +#define UINT_MAX (~0U) +#define LONG_MAX ((long)(~0UL >> 1)) +#define LONG_MIN (-LONG_MAX - 1) +#define ULONG_MAX (~0UL) +#define LLONG_MAX ((long long)(~0ULL >> 1)) +#define LLONG_MIN (-LLONG_MAX - 1) +#define ULLONG_MAX (~0ULL) + +#endif /* __COMMON_LIMITS_H */ diff --git a/include/linux/limits.h b/include/linux/limits.h index 76afcd24ff8c..ac20d2b2edd9 100644 --- a/include/linux/limits.h +++ b/include/linux/limits.h @@ -4,19 +4,8 @@ #include <uapi/linux/limits.h> #include <linux/types.h> +#include <common/limits.h> -#define USHRT_MAX ((unsigned short)~0U) -#define SHRT_MAX ((short)(USHRT_MAX >> 1)) -#define SHRT_MIN ((short)(-SHRT_MAX - 1)) -#define INT_MAX ((int)(~0U >> 1)) -#define INT_MIN (-INT_MAX - 1) -#define UINT_MAX (~0U) -#define LONG_MAX ((long)(~0UL >> 1)) -#define LONG_MIN (-LONG_MAX - 1) -#define ULONG_MAX (~0UL) -#define LLONG_MAX ((long long)(~0ULL >> 1)) -#define LLONG_MIN (-LLONG_MAX - 1) -#define ULLONG_MAX (~0ULL) #define SIZE_MAX (~(size_t)0) #define PHYS_ADDR_MAX (~(phys_addr_t)0) -- 2.25.0 _______________________________________________ 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:[~2020-02-13 16:17 UTC|newest] Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-02-13 16:15 [PATCH 00/19] Introduce common headers Vincenzo Frascino 2020-02-13 16:15 ` Vincenzo Frascino 2020-02-13 16:15 ` [PATCH 01/19] linux/const.h: Extract common header for vDSO Vincenzo Frascino 2020-02-13 16:15 ` Vincenzo Frascino 2020-02-13 16:15 ` [PATCH 02/19] linux/bits.h: " Vincenzo Frascino 2020-02-13 16:15 ` Vincenzo Frascino 2020-02-13 16:15 ` Vincenzo Frascino [this message] 2020-02-13 16:15 ` [PATCH 03/19] linux/limits.h: " Vincenzo Frascino 2020-02-13 16:15 ` [PATCH 04/19] linux/math64.h: " Vincenzo Frascino 2020-02-13 16:15 ` Vincenzo Frascino 2020-02-13 16:16 ` [PATCH 05/19] linux/time.h: " Vincenzo Frascino 2020-02-13 16:16 ` Vincenzo Frascino 2020-02-13 16:16 ` [PATCH 06/19] linux/time32.h: " Vincenzo Frascino 2020-02-13 16:16 ` Vincenzo Frascino 2020-02-13 16:16 ` Vincenzo Frascino 2020-02-13 16:16 ` [PATCH 07/19] linux/time64.h: " Vincenzo Frascino 2020-02-13 16:16 ` Vincenzo Frascino 2020-02-13 16:16 ` [PATCH 08/19] linux/jiffies.h: " Vincenzo Frascino 2020-02-13 16:16 ` Vincenzo Frascino 2020-02-13 16:16 ` [PATCH 09/19] linux/ktime.h: " Vincenzo Frascino 2020-02-13 16:16 ` Vincenzo Frascino 2020-02-13 16:16 ` [PATCH 10/19] common: Introduce processor.h Vincenzo Frascino 2020-02-13 16:16 ` Vincenzo Frascino 2020-02-13 16:16 ` [PATCH 11/19] linux/elfnote.h: Replace elf.h with UAPI equivalent Vincenzo Frascino 2020-02-13 16:16 ` Vincenzo Frascino 2020-02-13 16:16 ` [PATCH 12/19] arm64: Introduce asm/common/processor.h Vincenzo Frascino 2020-02-13 16:16 ` Vincenzo Frascino 2020-02-13 16:16 ` [PATCH 13/19] arm64: vdso: Include common headers in the vdso library Vincenzo Frascino 2020-02-13 16:16 ` Vincenzo Frascino 2020-02-13 16:16 ` [PATCH 14/19] arm64: vdso32: " Vincenzo Frascino 2020-02-13 16:16 ` Vincenzo Frascino 2020-02-13 16:16 ` [PATCH 15/19] mips: vdso: Enable mips to use common headers Vincenzo Frascino 2020-02-13 16:16 ` Vincenzo Frascino 2020-02-13 16:16 ` [PATCH 16/19] x86: vdso: Enable x86 " Vincenzo Frascino 2020-02-13 16:16 ` Vincenzo Frascino 2020-02-13 16:16 ` [PATCH 17/19] arm: vdso: Enable arm " Vincenzo Frascino 2020-02-13 16:16 ` Vincenzo Frascino 2020-02-13 16:16 ` [PATCH 18/19] lib: vdso: Enable " Vincenzo Frascino 2020-02-13 16:16 ` Vincenzo Frascino 2020-02-13 16:16 ` [PATCH 19/19] arm64: vdso32: Enable Clang Compilation Vincenzo Frascino 2020-02-13 16:16 ` Vincenzo Frascino 2020-02-13 18:44 ` Nathan Chancellor 2020-02-13 18:44 ` Nathan Chancellor 2020-02-17 12:26 ` Vincenzo Frascino 2020-02-17 12:26 ` Vincenzo Frascino 2020-02-17 16:46 ` Will Deacon 2020-02-17 16:46 ` Will Deacon 2020-02-17 22:39 ` Ard Biesheuvel 2020-02-17 22:39 ` Ard Biesheuvel 2020-02-17 22:39 ` Ard Biesheuvel 2020-02-18 13:03 ` Vincenzo Frascino 2020-02-18 13:03 ` Vincenzo Frascino 2020-02-18 13:03 ` Vincenzo Frascino
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