Re: nethack, you *will* migrate, really!! : suggestion for double request checking...

On Fri, Sep 29, 2006 at 11:22:28PM +0200, Florian Delizy wrote:
> I found the reason why the nethack process would not migrate, tell me if 
> I am wrong, but it seems that processes can only migrate on sycall enter 
> (or schedule enter).
> 
> If the move request gets to the task during a syscall, it is simply 
> discarded, and the process does not migrate at all. I understand this 
> makes sense for a normal HPC process (cpu consuming, means, no or nearly 
> no syscall), but I think it would make sense to try migration on syscall 
> exit (this is what this patch should do).
> 
> Vincent, can you please tell me if I am right ? or so ?

Are you using PREEMPT ?

-- 
Vincent Hanquez

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