powerpc: Don't spin on sync instruction at boot time

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Push the sync below the secondary smp init hold loop and comment its purpose.
This should speed up boot by reducing global traffic during the single-threaded
portion of boot.

Signed-off-by: Sonny Rao <sonnyrao@us.ibm.com>
Signed-off-by: Milton Miller <miltonm@bga.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

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Sonny Rao 2008-07-12 09:00:26 +10:00 • committed by Benjamin Herrenschmidt

parent cd6f37be7f

commit b6f6b98a4e

1 changed files with 2 additions and 1 deletions

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arch/powerpc/kernel/head_64.S

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