[PATCH 5/9] x86/vdso: Provide clock_getres_time64() for x86-32

Thomas Weißschuh
2025-12-23T06:59:28Z

time types from the kernel and UAPI.

Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
---
arch/x86/entry/vdso/vclock_gettime.c | 8 ++++++++
arch/x86/entry/vdso/vdso32/vdso32.lds.S | 1 +
2 files changed, 9 insertions(+)

diff --git a/arch/x86/entry/vdso/vclock_gettime.c b/arch/x86/entry/vdso/vclock_gettime.c
index 0debc194bd78..027b7e88d753 100644
--- a/arch/x86/entry/vdso/vclock_gettime.c
+++ b/arch/x86/entry/vdso/vclock_gettime.c
@@ -74,4 +74,12 @@ int __vdso_clock_getres(clockid_t clock, struct old_timespec32 *res)

int clock_getres(clockid_t, struct old_timespec32 *)
__attribute__((weak, alias("__vdso_clock_getres")));
+
+int __vdso_clock_getres_time64(clockid_t clock, struct __kernel_timespec *ts)
+{
+ return __cvdso_clock_getres(clock, ts);
+}
+
+int clock_getres_time64(clockid_t, struct __kernel_timespec *)
+ __attribute__((weak, alias("__vdso_clock_getres_time64")));
#endif
diff --git a/arch/x86/entry/vdso/vdso32/vdso32.lds.S b/arch/x86/entry/vdso/vdso32/vdso32.lds.S
index 8a3be07006bb..6f977c103584 100644
--- a/arch/x86/entry/vdso/vdso32/vdso32.lds.S
+++ b/arch/x86/entry/vdso/vdso32/vdso32.lds.S
@@ -28,6 +28,7 @@ VERSION
__vdso_time;
__vdso_clock_getres;
__vdso_clock_gettime64;
+ __vdso_clock_getres_time64;
__vdso_getcpu;
};

--
2.52.0