From: Denis Plotnikov <dplotnikov@virtuozzo.com>
To: kvm@vger.kernel.org, rkrcmar@redhat.com
Cc: pbonzini@redhat.com, den@virtuozzo.com, rkagan@virtuozzo.com
Subject: [PATCH v2 08/11] timekeeper: add a couple of the core timekeeper reading helpers
Date: Fri, 21 Jul 2017 18:45:15 +0300 [thread overview]
Message-ID: <1500651918-14156-9-git-send-email-dplotnikov@virtuozzo.com> (raw)
In-Reply-To: <1500651918-14156-1-git-send-email-dplotnikov@virtuozzo.com>
Signed-off-by: Denis Plotnikov <dplotnikov@virtuozzo.com>
---
include/linux/timekeeping.h | 3 +++
kernel/time/timekeeping.c | 15 +++++++++++++++
2 files changed, 18 insertions(+)
diff --git a/include/linux/timekeeping.h b/include/linux/timekeeping.h
index edffe82..092bf5f 100644
--- a/include/linux/timekeeping.h
+++ b/include/linux/timekeeping.h
@@ -372,3 +372,6 @@ extern int update_persistent_clock64(struct timespec64 now);
#endif
+
+extern const seqcount_t *get_tk_seq(void);
+extern int get_tk_mono_clock_mode(void);
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index 1cef214..3f35e52 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -2381,3 +2381,18 @@ void xtime_update(unsigned long ticks)
write_sequnlock(&jiffies_lock);
update_wall_time();
}
+
+/*
+ * Helpers forthe core timekeeper reading
+ */
+const seqcount_t *get_tk_seq(void)
+{
+ return &tk_core.seq;
+}
+EXPORT_SYMBOL(get_tk_seq);
+
+int get_tk_mono_clock_mode(void)
+{
+ return tk_core.timekeeper.tkr_mono.clock->archdata.vclock_mode;
+}
+EXPORT_SYMBOL(get_tk_mono_clock_mode);
--
2.7.4
next prev parent reply other threads:[~2017-07-21 15:45 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-21 15:45 [PATCH v2 00/11] make L2's kvm-clock stable, get rid of pvclock_gtod Denis Plotnikov
2017-07-21 15:45 ` [PATCH v2 01/11] timekeeper: change interface of clocksource reding functions Denis Plotnikov
2017-07-23 4:24 ` kbuild test robot
2017-07-21 15:45 ` [PATCH v2 02/11] pvclock: write cycle stamp value if a pointer given Denis Plotnikov
2017-07-21 15:45 ` [PATCH v2 03/11] kvmclock: pass cycles pointer to the changed pvclock interface Denis Plotnikov
2017-07-21 15:45 ` [PATCH v2 04/11] TSC: write cycles stamp value to input pointer Denis Plotnikov
2017-07-21 15:45 ` [PATCH v2 05/11] timekeeping: change ktime_get_with_offset interface to accept cycles pointer Denis Plotnikov
2017-07-21 15:45 ` [PATCH v2 06/11] timekeeping: add functions returning cycle stamp counter along with time Denis Plotnikov
2017-07-21 15:45 ` [PATCH v2 07/11] timekeeper: add clocksource change notifier Denis Plotnikov
2017-07-21 15:45 ` Denis Plotnikov [this message]
2017-07-23 4:02 ` [PATCH v2 08/11] timekeeper: add a couple of the core timekeeper reading helpers kbuild test robot
2017-07-23 4:02 ` kbuild test robot
2017-07-21 15:45 ` [PATCH v2 09/11] KVM: get rid of pv_clock_gtod Denis Plotnikov
2017-07-25 10:37 ` Paolo Bonzini
2017-07-21 15:45 ` [PATCH v2 10/11] pvclock: add clocksource change notification on changing of tsc stable bit Denis Plotnikov
2017-07-21 15:45 ` [PATCH v2 11/11] KVM: add pvclock to a list of stable clocks Denis Plotnikov
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