Re: Subtle MM bug

[Linus Torvalds]

On Wed, 10 Jan 2001, Alan Cox wrote:
> 
> That is extremely undesirable behaviour. setuid() changes for pthreads crud
> should be done by the library emulation layer. Many people have very real
> and very good reasons for running multiple parallel ids. Just try writing
> a threaded ftp daemon (non anonymous) without that, or an nfs server

I absolutely think that "one thread, one ID" is the way to go.

That said, we can easily support the notion of CLONE_CRED if we absolutely
have to (and sane people just shouldn't use it), so if somebody wants to
work on this for 2.5.x...

		Linus