Re: [PATCH 1/2] keep guest wallclock in sync with host clock

From: Avi Kivity
Date: Wed Sep 02 2009 - 08:24:36 EST


On 09/02/2009 03:21 PM, Glauber Costa wrote:

+static void kvm_sync_wall_clock(struct work_struct *work)
+{
+ struct timespec now;
+
+ kvm_get_wall_ts(&now);

What happens if we schedule here?
hummm, I guess disabling preemption would be enough to make us safe here?

You can't prevent host preemption. You might read kvmclock again and repeat if too much time has passed.


--
error compiling committee.c: too many arguments to function

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