Re: Voyager subarchitecture for 2.5.46

Sean Neakums (sneakums@zork.net)
Sun, 10 Nov 2002 20:02:00 +0000


commence Pavel Machek quotation:

>> This is just a random sanity check thing, after all. It doesn't have to be
>> system-global or even per-cpu. The only really important thing is that
>> "gettimeofday()" should return monotonically increasing data - and if it
^^^^^^^^^^^^^^^^^^^^^^^^
>> doesn't, the vsyscall would have to ask why (sometimes it's fine, if
>> somebody did a settimeofday, but usually it's a sign of trouble).
>
> I believe you need it system-global. If task A tells task B "its
> 10:30:00" and than task B does gettimeofday and gets "10:29:59", it
> will be confused for sure.

Hence the requirement that it be monotonically increasing.

-- 
 /                          |
[|] Sean Neakums            |  Questions are a burden to others;
[|] <sneakums@zork.net>     |      answers a prison for oneself.
 \                          |
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