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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 10/26] linux/time.h: Extract common header for vDSO
Date: Fri, 13 Mar 2020 15:43:29 +0000	[thread overview]
Message-ID: <20200313154345.56760-11-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 time.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/time.h |  5 +----
 include/vdso/time.h  | 12 ++++++++++++
 2 files changed, 13 insertions(+), 4 deletions(-)
 create mode 100644 include/vdso/time.h

diff --git a/include/linux/time.h b/include/linux/time.h
index 8ef5e5cc9f57..4c325bf44ce0 100644
--- a/include/linux/time.h
+++ b/include/linux/time.h
@@ -111,9 +111,6 @@ static inline bool itimerspec64_valid(const struct itimerspec64 *its)
  */
 #define time_between32(t, l, h) ((u32)(h) - (u32)(l) >= (u32)(t) - (u32)(l))
 
-struct timens_offset {
-	s64	sec;
-	u64	nsec;
-};
+# include <vdso/time.h>
 
 #endif
diff --git a/include/vdso/time.h b/include/vdso/time.h
new file mode 100644
index 000000000000..739f53cd2949
--- /dev/null
+++ b/include/vdso/time.h
@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __VDSO_TIME_H
+#define __VDSO_TIME_H
+
+#include <uapi/linux/types.h>
+
+struct timens_offset {
+	s64	sec;
+	u64	nsec;
+};
+
+#endif /* __VDSO_TIME_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 10/26] linux/time.h: Extract common header for vDSO
Date: Fri, 13 Mar 2020 15:43:29 +0000	[thread overview]
Message-ID: <20200313154345.56760-11-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 time.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/time.h |  5 +----
 include/vdso/time.h  | 12 ++++++++++++
 2 files changed, 13 insertions(+), 4 deletions(-)
 create mode 100644 include/vdso/time.h

diff --git a/include/linux/time.h b/include/linux/time.h
index 8ef5e5cc9f57..4c325bf44ce0 100644
--- a/include/linux/time.h
+++ b/include/linux/time.h
@@ -111,9 +111,6 @@ static inline bool itimerspec64_valid(const struct itimerspec64 *its)
  */
 #define time_between32(t, l, h) ((u32)(h) - (u32)(l) >= (u32)(t) - (u32)(l))
 
-struct timens_offset {
-	s64	sec;
-	u64	nsec;
-};
+# include <vdso/time.h>
 
 #endif
diff --git a/include/vdso/time.h b/include/vdso/time.h
new file mode 100644
index 000000000000..739f53cd2949
--- /dev/null
+++ b/include/vdso/time.h
@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __VDSO_TIME_H
+#define __VDSO_TIME_H
+
+#include <uapi/linux/types.h>
+
+struct timens_offset {
+	s64	sec;
+	u64	nsec;
+};
+
+#endif /* __VDSO_TIME_H */
-- 
2.25.1


_______________________________________________
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http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  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 ` Vincenzo Frascino [this message]
2020-03-13 15:43   ` [PATCH v3 10/26] linux/time.h: " Vincenzo Frascino
2020-03-13 15:43 ` [PATCH v3 11/26] linux/time32.h: " Vincenzo Frascino
2020-03-13 15:43   ` 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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