Amen Brother.
Alan Cox wrote:
>
> > IMO there was only one historically hard spinlock-related problem that
> > needed solving, this is the 'locks up hard' problem (which is solved). The
> > rest was never really an debugging obstacle, 99% of the spinlock related
> > bugs manifest themselves in clear, unambiguous lockups.
>
> Then why are we still finding obscure lock ordering bugs in 2.2 ? Finding them
> when they bite you is easy, finding the obscure ones when they dont generally
> bite is much harder - thats where debugging kernels that trap and dump
> lock lists for order violations are a big win
-
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This archive was generated by hypermail 2b29 : Thu Sep 07 2000 - 21:00:23 EST