[lkml]   [2003]   [Jun]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: 2.5.70-bk16: nfs crash
On Thu, Jun 12, 2003 at 08:49:53AM -0700, Linus Torvalds wrote:
> On Thu, 12 Jun 2003, Dipankar Sarma wrote:
> >
> > hlist poison patch is broken. list_del_rcu() and hlist_del_rcu()
> > *must not* re-initialize the pointers. Maneesh submitted a patch
> > earlier today that corrects this -
> Sorry, but you're wrong.
> If you depend on not re-initializing the pointers, you should not use the
> "xxx_del()" function, and you should document it.

Right. That is why they are list_del_rcu() and hlist_del_rcu().
The comments for list_del_rcu() clearly say that pointers
are not re-initialized.

> This is that the __xxx_del() functions are there for - they won't do the
> poisoning. The regular delete functions have historically always poisoned
> the pointers - it was only removed a few months ago by Andrew.

Poisoning xxx_del() functions is ok. That should be done.

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 13:36    [W:0.119 / U:29.276 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site