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14055ce53c
Big values for the TOD/ns clock can result in some overflows that can be avoided. Not all overflows can be handled however, as the conversion either multiplies by 4.096 or divided by 4.096. Apply the trick used in the Linux kernel in arch/s390/include/asm/timex.h for tod_to_ns() and use the same trick also for the conversion in the other direction. Reviewed-by: Thomas Huth <thuth@redhat.com> Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20180627134410.4901-2-david@redhat.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com> |
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