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[v5,07/26] mips: Introduce asm/vdso/clocksource.h

Message ID 20200320145351.32292-8-vincenzo.frascino@arm.com (mailing list archive)
State Mainlined
Commit 17e46656a82fc4645324043241b3294f6db9a6ce
Headers show
Series Introduce common headers for vDSO | expand

Commit Message

Vincenzo Frascino March 20, 2020, 2:53 p.m. UTC 
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.

Introduce asm/vdso/clocksource.h to contain all the arm64 specific
functions that are suitable for vDSO inclusion.

This header will be required by a future patch that will generalize
vdso/clocksource.h.

Cc: Paul Burton <paulburton@kernel.org>
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
---
 arch/mips/include/asm/clocksource.h      | 4 +---
 arch/mips/include/asm/vdso/clocksource.h | 9 +++++++++
 2 files changed, 10 insertions(+), 3 deletions(-)
 create mode 100644 arch/mips/include/asm/vdso/clocksource.h
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Patch

diff --git a/arch/mips/include/asm/clocksource.h b/arch/mips/include/asm/clocksource.h
index de659cae0d4e..2f1ebbea3d72 100644
--- a/arch/mips/include/asm/clocksource.h
+++ b/arch/mips/include/asm/clocksource.h
@@ -6,8 +6,6 @@ 
 #ifndef __ASM_CLOCKSOURCE_H
 #define __ASM_CLOCKSOURCE_H
 
-#define VDSO_ARCH_CLOCKMODES	\
-	VDSO_CLOCKMODE_R4K,	\
-	VDSO_CLOCKMODE_GIC
+#include <asm/vdso/clocksource.h>
 
 #endif /* __ASM_CLOCKSOURCE_H */
diff --git a/arch/mips/include/asm/vdso/clocksource.h b/arch/mips/include/asm/vdso/clocksource.h
new file mode 100644
index 000000000000..510e1671d898
--- /dev/null
+++ b/arch/mips/include/asm/vdso/clocksource.h
@@ -0,0 +1,9 @@ 
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+#ifndef __ASM_VDSOCLOCKSOURCE_H
+#define __ASM_VDSOCLOCKSOURCE_H
+
+#define VDSO_ARCH_CLOCKMODES	\
+	VDSO_CLOCKMODE_R4K,	\
+	VDSO_CLOCKMODE_GIC
+
+#endif /* __ASM_VDSOCLOCKSOURCE_H */