On 2014-04-07 10:45:51 -0400, Robert Haas wrote:
> On Mon, Apr 7, 2014 at 10:20 AM, Andres Freund <and...@2ndquadrant.com> wrote:
> > Hm. It generally might be interesting to get a few !X86 buildfarms
> > running builds with LTO enabled. That might expose some dangerous
> > assumptions more easily.
> 
> I strongly suspect that will break stuff all over the place.  We can
> either get compiler barriers working for real, or we can start
> volatile-izing every reference in an LWLock-protected critical
> section.  Hint: the second one is insane.

You don't have to convince me. The way there is where I am not sure
we're agreeing.

I didn't break a few months back for x86 on light loads btw. Not that
that's saying much.

Greetings,

Andres Freund

-- 
 Andres Freund                     http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services


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