[Bug 2006] LEON3BSP MP: may wake one more CPU than expected

bugzilla-daemon at rtems.org bugzilla-daemon at rtems.org
Thu Feb 2 15:55:33 UTC 2012


--- Comment #2 from Daniel Hellstrom <daniel at gaisler.com> 2012-02-02 09:55:33 CST ---
(In reply to comment #1)
> Please usually upload the patch as an attachment; small ones like this aren't
> too bad though.
Ok, will do.

> Does this work if (Configuration.User_multiprocessing_table)->maximum_nodes ==
> 1? (if that setting makes sense...)
I believe it could never be 1, since AMP requires at least two CPUs. The code
should write a 0x2, then a 0x4, then a 0x8 and so on, waking up CPU1, CPU2,
CPU3... but not CPU0 and not more CPUs than configured

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