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lib/vdso: Build 32 bit specific functions in the right context 

clock_gettime32 and clock_getres_time32 should be compiled only with a
32 bit vdso library.

Exclude these symbols when BUILD_VDSO32 is not defined.

Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Andy Lutomirski <luto@kernel.org>
Link: https://lore.kernel.org/r/20190830135902.20861-3-vincenzo.frascino@arm.com
This commit is contained in:
Vincenzo Frascino 2019-08-30 14:58:56 +01:00 committed by Thomas Gleixner
parent 715f23b610
commit bf279849ad
1 changed files with 4 additions and 0 deletions
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4
lib/vdso/gettimeofday.c
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@ -117,6 +117,7 @@ __cvdso_clock_gettime(clockid_t clock, struct __kernel_timespec *ts)
return 0;
}
#ifdef BUILD_VDSO32
static __maybe_unused int
__cvdso_clock_gettime32(clockid_t clock, struct old_timespec32 *res)
{
@ -139,6 +140,7 @@ __cvdso_clock_gettime32(clockid_t clock, struct old_timespec32 *res)
}
return ret;
}
#endif /* BUILD_VDSO32 */
static __maybe_unused int
__cvdso_gettimeofday(struct __kernel_old_timeval *tv, struct timezone *tz)
@ -231,6 +233,7 @@ int __cvdso_clock_getres(clockid_t clock, struct __kernel_timespec *res)
return 0;
}
#ifdef BUILD_VDSO32
static __maybe_unused int
__cvdso_clock_getres_time32(clockid_t clock, struct old_timespec32 *res)
{
@ -253,4 +256,5 @@ __cvdso_clock_getres_time32(clockid_t clock, struct old_timespec32 *res)
}
return ret;
}
#endif /* BUILD_VDSO32 */
#endif /* VDSO_HAS_CLOCK_GETRES */