On Tue, Feb 03, 2009 at 06:02:31PM +0100, Gerd Hoffmann wrote:
Hi,
Here is a patch which fixes the kvmclock on multicore systems without
constant_tsc.
I'm not that happy with the current form as the notifier duplicates code
from tsc.c. I don't see an easy way around that though.
Hi,
This can race if the target vcpu has tested for vcpu-requests but not
set guest_mode yet,
Right. New patch coming in a minute.
cheers,
Gerd
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Hi,
Here is a patch which fixes the kvmclock on multicore systems without
constant_tsc.
I'm not that happy with the current form as the notifier duplicates code
from tsc.c. I don't see an easy way around that though.
Suggestions? Other review comments?
thanks,
Gerd
From
+static unsigned int ref_freq;
+static unsigned long loops_per_jiffy_ref;
+static unsigned long tsc_khz_ref;
Doesn't these need to be percpu too ?
Otherwise we could be calculating the new frequency based on a foreign
reference.
+
+static int kvmclock_cpufreq_notifier(struct
Glauber Costa wrote:
+static unsigned int ref_freq;
+static unsigned long loops_per_jiffy_ref;
+static unsigned long tsc_khz_ref;
Doesn't these need to be percpu too ?
Otherwise we could be calculating the new frequency based on a foreign
reference.
I doubt you can have a SMP systems
