Re: PTRACE_SEIZE should not stop [Re: [PATCH 02/11] ptrace:implement PTRACE_SEIZE]

From: Jan Kratochvil
Date: Mon May 16 2011 - 09:48:37 EST

Hi Tejun,

On Mon, 16 May 2011 15:45:10 +0200, Tejun Heo wrote:
> I don't think INTERRUPT can be prioritized like that above existing
> trap conditions. Traps are taken sometimes deep in the kernel
> (e.g. fork/exec) and often after modifying states irrevocably
> (e.g. signal is already dequeued on signal trap). I don't think how
> it would be possible to rewind the state changes and replay it later.

OK, so that closes one of the major issues I was trying to get "fixed".

Thanks for info,
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