John Baldwin wrote:
On Tuesday 05 September 2006 16:02, Maxim Sobolev wrote:
John Baldwin wrote:
(That is, are there any such places. If so, you
just broke them.)
No, I believe that I did not, unless you can provide example of the
contrary.
linprocfs, but it lies anyway. I've engaged in hacks like this in 4.x,
That's what I mean - I can't imagine how can you get any useful
statistics out of CPU times by combining it with number of processors.
but I think they are just that: hacks. I think a real fix is to support
turning off CPUs in the MI code and allow userland to query via a
non-hackish
interface how many CPUs are actually enabled and get appropriate load
stats,
etc. based on that.
Yes, that's would be nice. But in the meantime my goal is to resolve
obvious regression we have in the 6.x release in the presence of the HTT
CPU.
It's not a regression I think as 4.x and 5.x both do the same as before this
commit (IIRC), but that's ok.
Yes, this problem was introduced by the fix to the famous "HTT
vulnerability".
-Maxim
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