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Re: add DIAGNOSTIC back to GENERIC/INSTALL
On Thu, Jun 16, 2011 at 04:30:18PM +0100, Mindaugas Rasiukevicius wrote:
> > - Since performance is degraded and -current users concerned about it
> > will need to compile their own kernels anyway - I believe LOCKDEBUG
> > should be enabled as well. Perhaps LOCKDEBUG should become a part
> > of DEBUG - it is at least clearly a "heavier check". :)
Well, a DEBUG kernel is usable (and, IIRC a DIAGNOSTIC+LOCKDEBUG kernel
as well), but a DEBUG+LOCKDEBUG kernel is absolutely unusable for anything
A simple solution (but with a gotcha): have releng builds both produce
GENERIC and GENERIC-DEBUG (or whatever you call it), then run automatic
test runs on both and compare.
Encourage users to run the -DEBUG version on test machines, but point to
GENERIC for performance critical things.
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