Quoting r. Muli Ben-Yehuda <[EMAIL PROTECTED]>:
> Subject: Re: [openib-general] Re: RE: Re: [PATCH] ipoib_flush_paths
>
> On Thu, Apr 06, 2006 at 04:38:33PM +0300, Michael S. Tsirkin wrote:
>
> > No, since we are keeping a callback pointer into that module.
>
> Sorry if I'm being dense but I don't see it in this patch. Point me at
> it?
You don't see it in the patch because SA already kept a callback pointer -
that's the race I'm solving. Look in sa_query.c
If I have
struct query {
void (*callback)();
struct module *owner;
}
Then it is always safe to do
__get_module(query->owner);
query->callback();
put_module(query->owner);
since it is the called module's responsibility to invalidate
all such query objects before its unloaded.
--
MST
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