From 868bdd798190a689ddebf1fff7c41509e73c7cc0 Mon Sep 17 00:00:00 2001 From: "Jason A. Donenfeld" Date: Wed, 12 Jun 2019 15:05:50 +0200 Subject: global: switch to coarse ktime Coarse ktime is broken until [1] in 5.2 and kernels without the backport, so we use fallback code there. The fallback code has also been improved significantly. It now only uses slower clocks on kernels < 3.17, at the expense of some accuracy we're not overly concerned about. [1] https://lore.kernel.org/lkml/tip-e3ff9c3678b4d80e22d2557b68726174578eaf52@git.kernel.org/ Suggested-by: Arnd Bergmann Signed-off-by: Jason A. Donenfeld --- src/receive.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'src/receive.c') diff --git a/src/receive.c b/src/receive.c index 51d06d3..6a3980b 100644 --- a/src/receive.c +++ b/src/receive.c @@ -120,7 +120,7 @@ static void wg_receive_handshake_packet(struct wg_device *wg, under_load = skb_queue_len(&wg->incoming_handshakes) >= MAX_QUEUED_INCOMING_HANDSHAKES / 8; if (under_load) - last_under_load = ktime_get_boot_fast_ns(); + last_under_load = ktime_get_coarse_boottime_ns(); else if (last_under_load) under_load = !wg_birthdate_has_expired(last_under_load, 1); mac_state = wg_cookie_validate_packet(&wg->cookie_checker, skb, -- cgit v1.2.3-59-g8ed1b