On Wed, Feb 02, 2011 at 07:16:20AM -0500, Glauber Costa wrote: > If the machine is stopped, we should not record two different tsc values > upon a save operation. The same problem happens with kvmclock. > > But kvmclock is taking a different diretion, being now seen as a separate > device. Since this is unlikely to happen with the tsc, I am taking the > approach here of simply registering a handler for state change, and > using a per-CPUState variable that prevents double updates for the TSC. > > Signed-off-by: Glauber Costa <[email protected]> > CC: Jan Kiszka <[email protected]> > > --- > v2: updated tsc validation logic, as asked by Jan > --- > target-i386/cpu.h | 1 + > target-i386/kvm.c | 18 +++++++++++++++++- > 2 files changed, 18 insertions(+), 1 deletions(-)
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