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linux/time.h: Extract common header for vDSO 

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>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20200320145351.32292-11-vincenzo.frascino@arm.com
This commit is contained in:
Vincenzo Frascino 2020-03-20 14:53:35 +00:00 committed by Thomas Gleixner
parent b874b8358c
commit 639fff1cce
2 changed files with 13 additions and 4 deletions
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5
include/linux/time.h
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@ -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)) #define time_between32(t, l, h) ((u32)(h) - (u32)(l) >= (u32)(t) - (u32)(l))
struct timens_offset { # include <vdso/time.h>
s64 sec;
u64 nsec;
};
#endif #endif

12
include/vdso/time.h Normal file
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@ -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 */