On Wed, Aug 09, 2006 at 10:11:59AM +0400, Evgeniy Polyakov ([EMAIL PROTECTED])
wrote:
> On Tue, Aug 08, 2006 at 10:52:30PM -0700, David Miller ([EMAIL PROTECTED])
> wrote:
> > > Using LIST_POISON is a flag that kevent is in appropriate queue or not,
> > > I can add some flag into the structure, but why, if it is clear just by
> > > looking into list's pointers.
> >
> > What is wrong with using list_empty() as this indicator?
>
> RCU only replaces ->prev pointer, and list_empty(entry) checks for
> entry->next == head, but actually I do not see how kevent entry can
> point to itself, so I will try this.
Unfortunately it is impossible to use list_empty(), since due to RCU issues
kevent
can not use list_del_init(), so list_empty() will always show that list is not
empty.
--
Evgeniy Polyakov
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