If the first CPU of a package comes online, it is necessary to test whether
the TSC is in sync with a CPU on some other package. When a deviation is
observed (time going backward between the two CPUs) the TSC is marked
unstable, which is a problem on large machines as they have to fall back to
the
If the first CPU of a package comes online, it is necessary to test whether
the TSC is in sync with a CPU on some other package. When a deviation is
observed (time going backward between the two CPUs) the TSC is marked
unstable, which is a problem on large machines as they have to fall back to
the
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