[lkml]   [2002]   [Sep]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [patch] lockless, scalable get_pid(), for_each_process() elimination, 2.5.35-BK

On Wed, 18 Sep 2002, Rik van Riel wrote:

> Agreed, you're right there. On the other hand, walking the threads
> _once_ will take 1.5 minutes on a 500 MHz PII (according to Ingo's
> measurements).
> That's about 18 times the timeout for the NMI oopser and will cause
> people real trouble.

we could fix it to 'just' lock up but still enable interrupts so that the
NMI oopser does not trigger. (we'd also have to be careful to never
write-lock the tasklist lock with IRQs disabled.) It's still a pretty lame
behavior from an OS me thinks ...


To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-03-22 13:17    [W:0.115 / U:25.176 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site