Messages in this thread | | | From | Marc-Christian Petersen <> | Subject | Re: -rc7 Re: Linux 2.4.21-rc6 | Date | Wed, 4 Jun 2003 13:01:02 +0200 |
| |
On Wednesday 04 June 2003 12:43, Andrea Arcangeli wrote:
Hi Andrea,
> sure, it's just a matter of adding a bit to the blkdev structure. > However I'm not 100% sure that it is the real thing that could make the > difference, but overall the exclusive wakeup FIFO in theory should > provide even an higher degree of fariness, so at the very least the > "fix" 2 from Andrew makes very little sense to me, and it seems just an > hack meant to hide a real problem in the algorithm. well, at least it reduces pauses/stops ;)
> As for 1 and 3 they were just included in my tree for ages. err, 1 yes, but I don't see that 3 is in your tree. Well, ok, a bit different. But hey, your 1+3 are still having pauses ;)
> BTW, Chris recently spotted a nearly impossible to trigger SMP-only race > in the fix pausing patch [great spotting Chris] (to trigger it would Cool Chris!
> need an intersection of two races at the same time), it'll be fixed in > my next tree, however nobody ever reproduced it and you certainly can > ignore it in practice so it can't explain any issue. Good to know. Thanks.
ciao, Marc
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |