Philippe Gerum wrote: > On Fri, 2006-11-17 at 19:41 +0100, Jan Kiszka wrote: >> I'm currently seeing two potential "misuses" of the common switch: >> >> - the posix skin (Gilles, how heavy-weighted are those checks?) >> => CONFIG_XENO_OPT_DEBUG_POSIX >> >> - CONFIG_XENO_SPINLOCK_DEBUG => CONFIG_XENO_OPT_DEBUG_SPINLOCK >> >> Both should be explicitly controllable in Kconfig. >> > > Nack for CONFIG_XENO_OPT_DEBUG_SPINLOCK. Most of the issue we tracked > with Gilles regarding the domain migration code had side-effects on the > nucleus lock. So having CONFIG_XENO_OPT_DEBUG enabled for identifying > internal state weirdnesses - like those triggered by migration bugs - > implies enabling the spinlock watchdogs too.
Ok, if it only makes sense to have both enabled at the same time, then let us create XENO_OPT_DEBUG_NUCLEUS. It should include both, but it shall not be automatically on when, say, only XENO_OPT_DEBUG_RTDM is required. Jan
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