5569fadd00
[ Upstream commit 7c0c01a216e6d9e1d169c0f6f3b5522e6da708ed ]
When the generic vDSO does not provide time functions, as for example on
riscv32, then the time data store is not necessary.
Avoid allocating these time data pages when not used.
Fixes: df7fcbefa7 ("vdso: Add generic time data storage")
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250826-vdso-cleanups-v1-1-d9b65750e49f@linutronix.de
Signed-off-by: Sasha Levin <sashal@kernel.org>