> 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. .mrg.