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Date:   Thu, 30 May 2019 10:38:19 -0500
From: (Eric W. Biederman)
To:     Oleg Nesterov <>
Cc:     Deepa Dinamani <>,
        Al Viro <>,
        Linus Torvalds <>,,,,,,,,,,,,,
Subject: Re: pselect/etc semantics (Eric W. Biederman) writes:

> Which means I believe we have a semantically valid change in behavior
> that is causing a regression.

I haven't made a survey of all of the functions yet but
fucntions return -ENORESTARTNOHAND will never return -EINTR and are
immune from this problem.

AKA pselect is fine.  While epoll_pwait can be affected.

Has anyone contacted Omar Kilani to see if that is his issue?

So far the only regression report I am seeing is from Eric Wong.
Are there any others?  How did we get to be talking about more
than just epoll_pwait?


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