37 lines
852 B
C
37 lines
852 B
C
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __ASM_VDSO_VSYSCALL_H
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#define __ASM_VDSO_VSYSCALL_H
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#ifndef __ASSEMBLY__
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#include <linux/timekeeper_internal.h>
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#include <vdso/datapage.h>
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#include <asm/cacheflush.h>
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extern struct vdso_data *vdso_data;
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extern bool cntvct_ok;
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/*
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* Update the vDSO data page to keep in sync with kernel timekeeping.
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*/
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static __always_inline
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struct vdso_data *__arm_get_k_vdso_data(void)
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{
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return vdso_data;
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}
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#define __arch_get_k_vdso_data __arm_get_k_vdso_data
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static __always_inline
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void __arm_sync_vdso_data(struct vdso_data *vdata)
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{
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flush_dcache_page(virt_to_page(vdata));
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}
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#define __arch_sync_vdso_data __arm_sync_vdso_data
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/* The asm-generic header needs to be included after the definitions above */
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#include <asm-generic/vdso/vsyscall.h>
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#endif /* !__ASSEMBLY__ */
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#endif /* __ASM_VDSO_VSYSCALL_H */
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