Top only showing one active CPU on HTT system
Kirk Strauser
kirk at strauser.com
Tue May 24 10:01:09 PDT 2005
On Tuesday 24 May 2005 10:59, Tim Kellers wrote:
> The acpi_load="YES" in /boot/loader.conf might do the trick.
Actually, it turns out that I have to set machdep.hyperthreading_allowed=1
for HTT to work now.
Speaking of which, is that tunable documented anywhere besides the HTT
security PR? It's not in the 5.4-STABLE /usr/src/UPDATING or anyplace else
I've looked, so I was more than a bit surprised to find that such an
important default was changed without much notice. I imagine a lot of
people read the PR much as I did: "blah, blah, theoretical, doesn't affect
me, next message"...
--
Kirk Strauser
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