Re: RFC [patch 13/34] PID Virtualization Define new task_pid api

[Alan Cox]

On Maw, 2006-01-17 at 09:56 -0600, Serge E. Hallyn wrote:
> The virtual pid is different depending on who is asking.  So simply
> storing current->realpid and current->pid isn't helpful, as we would
> still need to call a function when a pid crosses user->kernel boundary.

This is an obscure, weird piece of functionality for some special case
usages most of which are going to be eliminated by Xen. I don't see the
kernel side justification for it at all.

Maybe you should remap it the other side of the user->kernel boundary ?

-
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/