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Subject[tip: timers/core] arm64: compat: vdso: Expose BUILD_VDSO32
The following commit has been merged into the timers/core branch of tip:

Commit-ID: 4845c25326cf1db48e010a0fb162da4dfb07665a
Gitweb: https://git.kernel.org/tip/4845c25326cf1db48e010a0fb162da4dfb07665a
Author: Vincenzo Frascino <vincenzo.frascino@arm.com>
AuthorDate: Fri, 30 Aug 2019 14:58:55 +01:00
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitterDate: Fri, 10 Jan 2020 21:14:04 +01:00

arm64: compat: vdso: Expose BUILD_VDSO32

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

Expose BUILD_VDSO32 when arm64 compat is compiled, to provide an
indication to the generic library to include these symbols.

Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20190830135902.20861-2-vincenzo.frascino@arm.com

---
arch/arm64/include/asm/vdso/compat_gettimeofday.h | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/arm64/include/asm/vdso/compat_gettimeofday.h b/arch/arm64/include/asm/vdso/compat_gettimeofday.h
index c50ee1b..fe7afe0 100644
--- a/arch/arm64/include/asm/vdso/compat_gettimeofday.h
+++ b/arch/arm64/include/asm/vdso/compat_gettimeofday.h
@@ -17,6 +17,7 @@
#define VDSO_HAS_CLOCK_GETRES 1

#define VDSO_HAS_32BIT_FALLBACK 1
+#define BUILD_VDSO32 1

static __always_inline
int gettimeofday_fallback(struct __kernel_old_timeval *_tv,
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