Re: [patch 4/9] Remove the TSC synchronization on SMP machines

From: Christoph Lameter
Date: Tue Feb 13 2007 - 12:10:33 EST


On Tue, 13 Feb 2007, Arjan van de Ven wrote:

> no quite the opposite. gettimeofday() currently is NOT monotonic
> unfortunately. With this patchseries it actually has a better chance of
> becoming that...

It is monotonic on IA64 at least and we have found that subtle application
bugs occur if it is not. IA64 (and other arches using time interpolation)
can insure the monotoneity of time sources. Are you sure about this? I
wonder why the new time of day subsystem does not have that?
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/