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SubjectRe: [GIT PULL] Please pull proc and exec work for 5.7-rc1
On 4/2/20 11:46 PM, Linus Torvalds wrote:
> On Thu, Apr 2, 2020 at 2:00 PM Bernd Edlinger <> wrote:
>> There are two more patches, which might be of interest for you, just to
>> make the picture complete.
>> It is not clear if we go that way, or if Eric has a yet better idea.
>> [PATCH v7 15/16] exec: Fix dead-lock in de_thread with ptrace_attach
> There is no way I would ever take that patch.
> The amount of confusion in that patch is not acceptable. Randomly
> unlocking the new lock?
> That code makes everything worse, it's completely incomprehensible,
> the locking rules make no sense ahwt-so-ever.
> I'm seriously starting to feel like I should not have pulled this
> code, because the future looks _worse_ than what we used to have.
> No. No no no. Eric, this is not an acceptable direction.

Seriously, Linus,

nobody is forcing anything on you.

That would be quite a stupid idea (to try to force you per e-mail :-) )

The future is not yet written.

I think Eric has an alternative idea for the next step (he did not tell
me more but I am curious). Maybe that will be better, maybe not. And of
course I do not try to win a battle here, and I am willing to take advice.
So I am sure, we can work together to understand the problem better when
we take the time to analyze the problem better (I have not
yet read everything in your last mail completely, and followed
every link you have given, so what I write is just preliminary.

I just would like to know one thing,
how did you like my "big fat warning" comments?

If it turns out to be the wrong direction,
is it too late to turn back now?


> Linus

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