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mips: Add clock_gettime64 entry point

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With the release of Linux 5.1 has been added a new syscall,
clock_gettime64, that provided a 64 bit time value for a specified
clock_ID to make the kernel Y2038 safe on 32 bit architectures.

Update the mips32 specific vDSO library accordingly with what it has
been done for the kernel syscall exposing the clock_gettime64 entry
point.

Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paul Burton <paul.burton@mips.com>
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Signed-off-by: Paul Burton <paul.burton@mips.com>
This commit is contained in:
Vincenzo Frascino 2019-06-21 10:52:48 +01:00 committed by Paul Burton
parent abed3d826f
commit 1f66c45db3
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2 changed files with 9 additions and 0 deletions
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3
arch/mips/vdso/vdso.lds.S
View File

@ -96,6 +96,9 @@ VERSION
__vdso_clock_gettime;
__vdso_gettimeofday;
__vdso_clock_getres;
#if _MIPS_SIM != _MIPS_SIM_ABI64
__vdso_clock_gettime64;
#endif
#endif
local: *;
};

6
arch/mips/vdso/vgettimeofday.c
View File

@ -29,6 +29,12 @@ int __vdso_clock_getres(clockid_t clock_id,
return __cvdso_clock_getres_time32(clock_id, res);
}
int __vdso_clock_gettime64(clockid_t clock,
struct __kernel_timespec *ts)
{
return __cvdso_clock_gettime(clock, ts);
}
#else
int __vdso_clock_gettime(clockid_t clock,