lkml.org 
[lkml]   [2008]   [May]   [14]   [last100]   RSS Feed
Views: [more markup]  [less markup]  [headers]  [forward] 
 
Messages in this thread
/
DateWed, 14 May 2008 15:11:39 -0700 (PDT)
FromLinus Torvalds <>
SubjectRe: [announce] "kill the Big Kernel Lock (BKL)" tree

On Wed, 14 May 2008, Alan Cox wrote:
> 
> Here is a fun one for general discussion - right now driver probe
> functions request resources. We have no ordering on the requests so we
> have deadlocks if two drivers do resource requests for conflicting
> resources in reverse order.

resource requests aren't blocking, so it wouldn't actually be a deadlock. 
It would just be a "both failed, try again".

That said, two drivers shouldn't be probing the same hardware at the same 
time regardless, so I can't imagine that it's much of a problem in real 
life. 

		Linus
--
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/

\
 
 \ /
  Last update: 2008-05-15 00:15    [from the cache]
©2003-2008