kernel/time/vsyscall.c

18 static inline void update_vdso_data(struct vdso_data *vdata,
24 	vdata[CS_HRES_COARSE].cycle_last	= tk->tkr_mono.cycle_last;
26 	vdata[CS_HRES_COARSE].max_cycles	= tk->tkr_mono.clock->max_cycles;
28 	vdata[CS_HRES_COARSE].mask		= tk->tkr_mono.mask;
29 	vdata[CS_HRES_COARSE].mult		= tk->tkr_mono.mult;
30 	vdata[CS_HRES_COARSE].shift		= tk->tkr_mono.shift;
31 	vdata[CS_RAW].cycle_last		= tk->tkr_raw.cycle_last;
33 	vdata[CS_RAW].max_cycles		= tk->tkr_raw.clock->max_cycles;
35 	vdata[CS_RAW].mask			= tk->tkr_raw.mask;
36 	vdata[CS_RAW].mult			= tk->tkr_raw.mult;
37 	vdata[CS_RAW].shift			= tk->tkr_raw.shift;
40 	vdso_ts		= &vdata[CS_HRES_COARSE].basetime[CLOCK_MONOTONIC];
58 	vdso_ts		= &vdata[CS_HRES_COARSE].basetime[CLOCK_BOOTTIME];
68 	vdso_ts		= &vdata[CS_RAW].basetime[CLOCK_MONOTONIC_RAW];
73 	vdso_ts		= &vdata[CS_HRES_COARSE].basetime[CLOCK_TAI];
80 	struct vdso_data *vdata = __arch_get_k_vdso_data();
86 	vdso_write_begin(vdata);
89 	vdata[CS_HRES_COARSE].clock_mode	= clock_mode;
90 	vdata[CS_RAW].clock_mode		= clock_mode;
93 	vdso_ts		= &vdata[CS_HRES_COARSE].basetime[CLOCK_REALTIME];
98 	vdso_ts		= &vdata[CS_HRES_COARSE].basetime[CLOCK_REALTIME_COARSE];
103 	vdso_ts		= &vdata[CS_HRES_COARSE].basetime[CLOCK_MONOTONIC_COARSE];
113 	WRITE_ONCE(vdata[CS_HRES_COARSE].hrtimer_res, hrtimer_resolution);
120 		update_vdso_data(vdata, tk);
122 	__arch_update_vsyscall(vdata, tk);
124 	vdso_write_end(vdata);
126 	__arch_sync_vdso_data(vdata);
131 	struct vdso_data *vdata = __arch_get_k_vdso_data();
133 	vdata[CS_HRES_COARSE].tz_minuteswest = sys_tz.tz_minuteswest;
134 	vdata[CS_HRES_COARSE].tz_dsttime = sys_tz.tz_dsttime;
136 	__arch_sync_vdso_data(vdata);
153 	struct vdso_data *vdata = __arch_get_k_vdso_data();
157 	vdso_write_begin(vdata);
171 	struct vdso_data *vdata = __arch_get_k_vdso_data();
173 	vdso_write_end(vdata);
174 	__arch_sync_vdso_data(vdata);