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SubjectRe: [PATCH v2] netlink: Replace rhash_portid with bound
Hello,

On Tue, Sep 22, 2015 at 12:28:45PM -0700, Linus Torvalds wrote:
> Both acquire and smp_rmb() are equally free on x86.

Was this always like this? Ah, okay, from 2007. Was thinking it's
still doing an actual rmb. Talk about being confused.

> It appears that we don't do the X86_PPRO_FENCE bug handling for
> acquire, but I guess we should.

Hmmm? We're doing that. PPRO_FENCE makes both acquire and release
use smp_mb().

Thanks.

--
tejun


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