On Tue, 5 Sep 2000, Alan Cox wrote: > 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 i stand corrected - lock ordering indeed is a problem, although i think 2.4 is much cleaner in this regard, we have less lock hierarchies, mainly due to getting rid of much of the BKL. i think another, natural debugging help here will be to make the UP kernel preemptibe in 2.5. That will simulate most of the SMP locking scenarios on UP as well, and we have much more UP users than SMP users. Ingo - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/
- Re: [ANNOUNCE] Withdrawl of Open Source NDS Project/NTFS/M... Jes Sorensen
- Re: [ANNOUNCE] Withdrawl of Open Source NDS Project/N... Jeff V. Merkey
- Re: [ANNOUNCE] Withdrawl of Open Source NDS Proje... Alan Cox
- Re: [ANNOUNCE] Withdrawl of Open Source NDS P... Jeff V. Merkey
- Re: [ANNOUNCE] Withdrawl of Open Source N... David S. Miller
- Re: [ANNOUNCE] Withdrawl of Open Sou... Alan Cox
- Re: [ANNOUNCE] Withdrawl of Open... David S. Miller
- Re: [ANNOUNCE] Withdrawl of Open... Jeff V. Merkey
- Re: [ANNOUNCE] Withdrawl of Open... Ingo Molnar
- Re: [ANNOUNCE] Withdrawl of Open... Alan Cox
- Re: [ANNOUNCE] Withdrawl of Open... Ingo Molnar
- Re: [ANNOUNCE] Withdrawl of Open... Jeff V. Merkey
- Re: [ANNOUNCE] Withdrawl of Open Sou... Andi Kleen
- Re: [ANNOUNCE] Withdrawl of Open... Ingo Molnar
- Re: [ANNOUNCE] Withdrawl of Open... Andi Kleen
- Re: [ANNOUNCE] Withdrawl of Open... Ingo Molnar
- Re: [ANNOUNCE] Withdrawl of Open... Jeff V. Merkey
- Re: [ANNOUNCE] Withdrawl of Open... Ingo Molnar
- Re: [ANNOUNCE] Withdrawl of Open... Jeff V. Merkey
- Re: [ANNOUNCE] Withdrawl of Open... Jeff V. Merkey
- Re: [ANNOUNCE] Withdrawl of Open... Jes Sorensen