Date: Mon, 16 May 2011 15:48:08 +0200
From: Jan Kratochvil <jan.kratochvil@redhat.com>
To: Tejun Heo <tj@kernel.org>
Cc: oleg@redhat.com, vda.linux@googlemail.com, linux-kernel@vger.kernel.org,
        torvalds@linux-foundation.org, akpm@linux-foundation.org, indan@nul.nu
Subject: Re: PTRACE_SEIZE should not stop  [Re: [PATCH 02/11] ptrace:
 implement PTRACE_SEIZE]
Message-ID: <20110516134808.GA15806@host1.jankratochvil.net>
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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,
Jan
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