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From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH net-next] modules: allow modprobe load regular elf
 binaries
Date: Fri, 09 Mar 2018 13:57:24 -0500 (EST)
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From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Fri, 9 Mar 2018 10:53:45 -0800

> Anyway, see my other suggestion that makes this all irrelevant. Just
> wait synchronously (until the exit), and just use deny_write_access().

What exit?

Once the helper UMH is invoked, it runs asynchronously taking eBPF
translation requests.