On Mon, Dec 10, 2007 at 11:47:05PM +0300, Anton Vorontsov wrote: > 5 - FSL UPM infrastructure: > --------------------------- > UPM address register is shared among UPMs, so we have to do > proper locking. On the other hand, if we know that specific > board using only one UPM we could bypass locking, and gain some > performance win.
Not enough to be worth the complexity compared to the overhead of NAND access -- especially in the likely case of a non-SMP build. -Scott _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
