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The time-related VDSO functionality was introduced in 2021 in commit87f3248cdb("csky: Reconstruct VDSO framework") and commit0d3b051adb("csky: Add VDSO with GENERIC_GETTIMEOFDAY, GENERIC_TIME_VSYSCALL, HAVE_GENERIC_VDSO"). However the corresponding aux-vector entry AT_SYSINFO_EHDR was never wired up, making these functions impossible to test or use. The VDSO itself is kept as it also provides rt_sigreturn which is exposed differently to userspace. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lore.kernel.org/all/20241010-vdso-generic-base-v1-1-b64f0842d512@linutronix.de