Re: [take6 1/3] kevent: Core files.

[Evgeniy Polyakov]

On Wed, Aug 09, 2006 at 11:42:35PM -0700, David Miller (davem@xxxxxxxxxxxxx) wrote:
> > > > +	k->kevent_entry.next = LIST_POISON1;
> > > > +	k->storage_entry.prev = LIST_POISON2;
> > > > +	k->ready_entry.next = LIST_POISON1;
> > > 
> > > Nope ;)
> > 
> > I use pointer checks to determine if entry is in the list or not, why it
> > is frowned upon here?
> 
> As Andrew mentioned in another posting, these poison macros
> are likely to simply go away some day, so you should not use
> them.

They exist for ages and sudently can go away?..
 
> If you want pointer encoded tags you use internally, define your own.

I think if I will add code like this
list_del(&k->entry);
k->entry.prev = KEVENT_POISON1;
k->entry.next = KEVENT_POISON2;

I will be suggested to make myself a lobotomy.

I have enough space in flags in each kevent, so I will use some bits there.

-- 
	Evgeniy Polyakov
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/