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MIPS: vdso: Compile high resolution parts conditionally

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If neither the R4K nor the GIC timer is enabled 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>
Reviewed-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Link: https://lkml.kernel.org/r/20200207124402.714585315@linutronix.de
This commit is contained in:
Thomas Gleixner 2020-02-07 13:38:52 +01:00
parent 3280badbe1
commit 25a2a65678
1 changed files with 7 additions and 0 deletions
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7
arch/mips/include/asm/vdso/gettimeofday.h
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@ -199,6 +199,13 @@ static __always_inline u64 __arch_get_hw_counter(s32 clock_mode)
return cycle_now;
}
static inline bool mips_vdso_hres_capable(void)
{
return IS_ENABLED(CONFIG_CSRC_R4K) ||
IS_ENABLED(CONFIG_CLKSRC_MIPS_GIC);
}
#define __arch_vdso_hres_capable mips_vdso_hres_capable
static __always_inline const struct vdso_data *__arch_get_vdso_data(void)
{
return get_vdso_data();