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If the current clocksource is not VDSO capable there is no point in updating the high resolution parts of the VDSO data. Replace the architecture specific check with a check for a VDSO capable clocksource and skip the update if there is none. 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/20200207124403.563379423@linutronix.de
30 lines
675 B
C
30 lines
675 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __ASM_GENERIC_VSYSCALL_H
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#define __ASM_GENERIC_VSYSCALL_H
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#ifndef __ASSEMBLY__
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#ifndef __arch_get_k_vdso_data
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static __always_inline struct vdso_data *__arch_get_k_vdso_data(void)
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{
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return NULL;
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}
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#endif /* __arch_get_k_vdso_data */
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#ifndef __arch_update_vsyscall
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static __always_inline void __arch_update_vsyscall(struct vdso_data *vdata,
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struct timekeeper *tk)
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{
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}
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#endif /* __arch_update_vsyscall */
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#ifndef __arch_sync_vdso_data
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static __always_inline void __arch_sync_vdso_data(struct vdso_data *vdata)
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{
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}
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#endif /* __arch_sync_vdso_data */
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#endif /* !__ASSEMBLY__ */
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#endif /* __ASM_GENERIC_VSYSCALL_H */
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