CONFIG_PROVE_LOCKING broken on 83xx (and all of powerpc?)

Benjamin Herrenschmidt benh at
Fri Sep 10 08:49:45 EST 2010

On Thu, 2010-09-09 at 17:37 -0500, Scott Wood wrote:
> Wolfgang was just defending it on the U-Boot list the past couple
> days...  seems like the main thing in its favor is the CRC, especially
> as a final check before reflashing an image.

Right, then fwd my 2 cents:

Makes sense to have a wrapper like that for flashing, but

 - It could/should contain an ELF

 - u-boot should be capable to just load/boot the ELF, not everybody
uses flashable images (netboot anyone ? espectially when debugging) and
it's really a burden to do the wrapping all the time. In addition, we
just see how it can actually hurt due to losing information such as the
BSS size.


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