Re: [PATCH] Alternate futex non-page-pinning and COW fix

[Rusty Russell]

In message <20030904171609.GA30394@xxxxxxxxxxxxxxxxxx> you write:
> What does PROT_SEM mean for Linux, btw?

It's a relic: some archs might need a special flag to ensure
inter-process atomic ops worked as expected.  It was never fully
implemented, with the assumption that such archs just won't be able to
use futexes, and if someone really wants to fix it, they will.

Rusty.
--
  Anyone who quotes me in their sig is an idiot. -- Rusty Russell.
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