Commit 8c782acd authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

timekeeping: Prepare timekeeping_update_from_shadow() 



Don't invoke the VDSO and paravirt updates when utilized for auxiliary
clocks. This is a temporary workaround until the VDSO and paravirt
interfaces have been worked out.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250519083026.223876435@linutronix.de
parent 926ad475

kernel/time/timekeeping.c

+7 −5
Original line number Diff line number Diff line
@@ -683,13 +683,15 @@ static void timekeeping_update_from_shadow(struct tk_data *tkd, unsigned int act 


	tk_update_leap_state(tk);

	tk_update_ktime_data(tk);

	tk->tkr_mono.base_real = tk->tkr_mono.base + tk->offs_real;



	if (tk->id == TIMEKEEPER_CORE) {

		update_vsyscall(tk);

		update_pvclock_gtod(tk, action & TK_CLOCK_WAS_SET);



	tk->tkr_mono.base_real = tk->tkr_mono.base + tk->offs_real;

		update_fast_timekeeper(&tk->tkr_mono, &tk_fast_mono);

		update_fast_timekeeper(&tk->tkr_raw,  &tk_fast_raw);

	}



	if (action & TK_CLOCK_WAS_SET)

		tk->clock_was_set_seq++;