[RFC][PATCH] x86_86 support of checkpoint/restart (Re: Checkpoint / Restart)

Dave Hansen dave at linux.vnet.ibm.com
Mon Feb 9 10:06:04 PST 2009


On Mon, 2009-02-09 at 10:02 -0800, Dave Hansen wrote:
> Signal handling and ptrace single stepping are two places I would
> imagine we have to enter the kernel and preserve those registers.  Is
> that why you were suggesting overloading signal delivery?

There is also, of course, good old interrupt handling.  Even if the
process is running and not making any system calls is timeslice has to
expire sometime. 

-- Dave



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