For consistency with __vdso_clock_gettime64() there should also be a
64-bit variant of clock_getres(). This will allow the extension of
CONFIG_COMPAT_32BIT_TIME to the vDSO and finally the removal of 32-bit
time types from the kernel and UAPI.

Signed-off-by: Thomas Weißschuh <[email protected]>
---
 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


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