From 294c7e5076bd6702a7e08fc752a5e25e679ce9f9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Josef=20S=C3=B6ntgen?= <josef.soentgen@genode-labs.com>
Date: Tue, 31 May 2016 13:49:48 +0200
Subject: [PATCH] lx_kit: handle truncation of hrtimer timeouts

Fixes #1986.
---
 repos/dde_linux/src/include/lx_emul/impl/timer.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/repos/dde_linux/src/include/lx_emul/impl/timer.h b/repos/dde_linux/src/include/lx_emul/impl/timer.h
index 6ad73bcae1..153523a71c 100644
--- a/repos/dde_linux/src/include/lx_emul/impl/timer.h
+++ b/repos/dde_linux/src/include/lx_emul/impl/timer.h
@@ -61,6 +61,12 @@ int hrtimer_start_range_ns(struct hrtimer *timer, ktime_t tim,
 {
 	unsigned long expires = tim.tv64 / (NSEC_PER_MSEC * HZ);
 
+	/*
+	 * Prevent truncation through rounding the values by adding 1 jiffy
+	 * in this case.
+	 */
+	expires += (expires == jiffies);
+
 	if (!Lx::timer().find(timer))
 		Lx::timer().add(timer, Lx::Timer::HR);