Re: [PATCHSET ptrace] ptrace: implement PTRACE_SEIZE/INTERRUPT andgroup stop notification, take#2
From: Linus Torvalds
Date: Thu May 19 2011 - 11:04:56 EST
On Mon, May 16, 2011 at 11:17 AM, Tejun Heo <tj@xxxxxxxxxx> wrote:
> This is the second try at implementing PTRACE_SEIZE/INTERRUPT and
> group stop notification. Notable changes from the first take are,
> * Prep patches moved to a separate patchset.
So having followed the discussion so far, quite frankly I'm not
convinced this series is 2.6.40 material.
I think that conceptually the split-up of PTRACE_ATTACH into
SEIZE/INTERRUPT might be fine, but I don't think the interface is
necessarily cooked, and perhaps more importantly I'm not at all sure
that the (few) current users of ptrace() would even switch over.
So I think Oleg's branch with cleanups is probably ready, and maybe a
few of the preparatory patches from this branch can be merged, but I
would _strongly_ suggest that the plan for 2.6.40 should be to not
actually mess with interfaces to the kernel, but just cleaning up the
actual internal implementation. I would like to keep 2.6.40 small and
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