>From cfd28f6695d0fc047478480791a21bdd4967f98e
UML's supposed nanosecond clock interacts badly with NTP when NTP
decides that the clock has drifted ahead and needs to be slowed down.
Slowing down the clock is done by decrementing the cycle-to-nanosecond
multiplier, which is 1. Decrementing that gives you 0 and time is
stopped.
This is fixed by switching to a microsecond clock, with a multiplier
of 1000.
Signed-off-by: Jeff Dike <[EMAIL PROTECTED]>
Cc: WANG Cong <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
arch/um/kernel/time.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/um/kernel/time.c b/arch/um/kernel/time.c
index e066e84..5036c81 100644
--- a/arch/um/kernel/time.c
+++ b/arch/um/kernel/time.c
@@ -74,7 +74,7 @@ static irqreturn_t um_timer(int irq, void *dev)
static cycle_t itimer_read(void)
{
- return os_nsecs();
+ return os_nsecs() / 1000;
}
static struct clocksource itimer_clocksource = {
@@ -82,7 +82,7 @@ static struct clocksource itimer_clocksource = {
.rating = 300,
.read = itimer_read,
.mask = CLOCKSOURCE_MASK(64),
- .mult = 1,
+ .mult = 1000,
.shift = 0,
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
};
--
1.5.5.1
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