[pnfs] 2.6.26 kernel hacking built option heads-up

[J. Bruce Fields]

On Wed, Jul 23, 2008 at 03:14:23PM -0400, Andy Adamson wrote:
> The lib/list_debug.c code that replaces the include/linux/list.h list
> manipulation functions when the kernel hacking list debugging is turned
> on is NOT SMP safe - no smp_wmb calls....

More importantly, there's never been any protection of the list
manipulations themselves--locking is up to the caller.  So unless I'm
missing something subtle, I don't think the debugging code changes
anything.

--b.