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    Subject[tip: timers/core] linux/time.h: Extract common header for vDSO
    The following commit has been merged into the timers/core branch of tip:

    Commit-ID: 639fff1cce0f7462bb4440deeffc1048ecfc6ebb
    Gitweb: https://git.kernel.org/tip/639fff1cce0f7462bb4440deeffc1048ecfc6ebb
    Author: Vincenzo Frascino <vincenzo.frascino@arm.com>
    AuthorDate: Fri, 20 Mar 2020 14:53:35
    Committer: Thomas Gleixner <tglx@linutronix.de>
    CommitterDate: Sat, 21 Mar 2020 15:23:57 +01:00

    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

    ---
    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 8ef5e5c..4c325bf 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 0000000..739f53c
    --- /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 */
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