[PATCH] ppc64: Spread lpevents by default on iSeries

[Michael Ellerman]

On Wed, 22 Jun 2005 15:08, David Gibson wrote:
> On Wed, Jun 22, 2005 at 02:58:06PM +1000, Michael Ellerman wrote:
> > This patch changes the macros that initialise the paca array on iSeries,
> > such that every CPU processes lpevents by default. This makes the default
> > behaviour equivalent to specifying "spread_lpevents=n" on the kernel
> > command line, where n = number of cpus.
> >
> > The spread_lpevents command line option remains in case people want the
> > old behaviour.
>
> I think a better way of accomplishing this would be to actually remove
> the lpqueue field from the paca, and reference xItLpQueue directly
> where we use it.  We can check the cpu number explicitly against a
> limit if we want to avoid spreading lp events.

Sounds reasonable, I'll have a look at the code.

cheers

-- 
Michael Ellerman
IBM OzLabs

email: michael:ellerman.id.au
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we borrow it from our children. - S.M.A.R.T Person
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