To SMP or not to SMP
Erich Dollansky
erichsfreebsdlist at alogt.com
Thu Jan 10 00:18:56 UTC 2013
Hi,
On Wed, 9 Jan 2013 06:35:33 -0800 (PST)
Barney Cordoba <barney_cordoba at yahoo.com> wrote:
>
> This explanation defies the possibility of a GENERIC kernel, which
> of course is an important element of a GPOS. Its too bad that smp
> support can't be done with logic rather than a kernel option.
>
it seems to me that you have a very simply view on what SMP means for
software.
> The big thing I see is the use of legacy interrupts vs msix. Its not
> like flipping off SMP support only changes the scheduler behavior.
SMP goes into the applications. A single-CPU kernel must still run
these kind of applications.
Erich
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