[Devel] Re: [PATCH 08/10] Introduce functions to restart a process

[Dave Hansen]

On Thu, 2008-10-23 at 13:54 +0400, Andrey Mirkin wrote:
> We are putting special structure on stack, which is used at the very end of 
> the whole restart procedure to restore complex states (ptrace is one of such 
> cases). Right now I don't need to use this structure as we have a deal with 
> simple cases, but reservation of 256 bytes on stack is needed for future.

Wow.  So you're saying that, if this patch is accepted, we simply need
to accept that anything being checkpointed will use an extra 256 bytes
of stack?  Seems like something to perhaps put in the changelog rather
than some completely undocumented assembly nugget.

-- Dave

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