Messages in this thread |  | | Subject | Re: [ANNOUNCE] Withdrawl of Open Source NDS Project/NTFS/M2FS for | Date | Tue, 5 Sep 2000 19:32:18 +0100 (BST) | From | Alan Cox <> |
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> 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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