Commit 3280badb authored Feb 07, 2020 by Thomas Gleixner

ARM: vdso: Compile high resolution parts conditionally

If the architected timer is disabled in the kernel configuration then let
the core VDSO code drop the high resolution parts at compile time.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Reviewed-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Link: https://lkml.kernel.org/r/20200207124402.622587341@linutronix.de

parent 1dff4156

arch/arm/include/asm/vdso/gettimeofday.h

+6 −0

Original line number	Diff line number	Diff line
		@@ -106,6 +106,12 @@ static __always_inline int clock_getres32_fallback(
		return ret;
		}

		static inline bool arm_vdso_hres_capable(void)
		{
		return IS_ENABLED(CONFIG_ARM_ARCH_TIMER);
		}
		#define __arch_vdso_hres_capable arm_vdso_hres_capable

		static __always_inline u64 __arch_get_hw_counter(int clock_mode)
		{
		#ifdef CONFIG_ARM_ARCH_TIMER