um: fix global timer issue when using CONFIG_NO_HZ
This fixes a issue which was introduced by fe2cc53e ("uml: track and make up lost ticks"). timeval_to_ns() returns long long and not int. Due to that UML's timer did not work properlt and caused timer freezes. Signed-off-by: Richard Weinberger <richard@nod.at> Acked-by: Pekka Enberg <penberg@kernel.org> Cc: Jeff Dike <jdike@addtoit.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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