Re: suspend2 merge (was Re: [Suspend2-devel] Re: CFS and suspend2:hang in atomic copy)

From: Linus Torvalds
Date: Thu Apr 26 2007 - 11:59:00 EST

On Thu, 26 Apr 2007, Pavel Machek wrote:
> Yes, probably will. The other option is to break existing 32-bit
> userspace, which is a bit more common AFAICT.

And *this* is why kernel/userspace things simply should not be done.

It's simply better to do things entirely in the kernel. Because you add
bugs and complications otherwise, and doing it in the kernel allows you
to just switch things around.

As it is, it appears that user-space suspend is just broken whichever way
we turn.

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