Re: apic patches (with MIS counter)

Roeland Th. Jansen (roel@grobbebol.xs4all.nl)
Mon, 26 Feb 2001 21:22:35 +0000


On Mon, Feb 26, 2001 at 01:14:11PM +0100, Maciej W. Rozycki wrote:
> It is already present in 2.4.2-ac3.

Yep, I just noticed it. there was a backlog from here to tokyo.

> There is a small performance impact at every interrupt -- the code that
> checks for mismatches incurs it. It's just a few CPU instructions, thus
> it should not be noticeable.

well I saw a lot of collisions on the hub and a slow speed (approx
150kbytes sec) but I don't think collisions & patch is the cause
:-)

> > if you like, I can start banging the machine on it's head now.
>
> Please do. I believe the code is safe to be included in 2.4.3, but if
> any problem is going to pop up, it'd better do it before than after
> applying to the mainstream.

ok, it's box killing time. I just installed a new kernel with the ptches
and some additions and will reboot after I tried to kill the system.
will report here.

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