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DateMon, 27 Jun 2005 22:08:27 -0700 (PDT)
SubjectRe: [patch 2] mm: speculative get_page
From"David S. Miller" <>
From: Nick Piggin <nickpiggin@yahoo.com.au>
Subject: Re: [patch 2] mm: speculative get_page
Date: Tue, 28 Jun 2005 14:50:31 +1000

> William Lee Irwin III wrote:> > >On Tue, Jun 28, 2005 at 11:42:16AM +1000, Nick Piggin wrote:
> >> >spin_unlock() does not imply a memory barrier.> >> > Intriguing...

BTW, I disagree with this assertion.  spin_unlock() does imply a
memory barrier.

All memory operations before the release of the lock must execute
before the lock release memory operation is globally visible.
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