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re: uvm locking inconsistency
> On Wed, Jun 15, 2011 at 09:30:17PM +0200, Manuel Bouyer wrote:
> > I fear so, sadly. I think DIAGNOSTIC should be back in x86 GENERIC
> > kernels on HEAD (this can be switched off in release branches)
> Contrary, I think every viable debug option (DIAGNOSTIC + LOCKDEBUG at
> least) should be enabled in HEAD, but disabled in release kernels. An easy
> way to catch obvious regression that should never enter a release kernel.
> The so-called HEAD is the main development branch, after all...
LOCKDEBUG is too expensive for a normal kernel. eg, build.sh isn't
just a little slower, it's 3-10x slower.
however, i very much would like DIAGNOSTIC to be enabled by default
and release branches turn it off at branch time.
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