Re: [RFC][PATCH 0/5] arch: atomic rework

[Paul E. McKenney]

On Thu, Feb 20, 2014 at 06:54:06PM +0100, Torvald Riegel wrote:
> xagsmtp4.20140220175519.1127@xxxxxxxxxxxxxxxxxxxx
> X-Xagent-Gateway: vmsdvm6.vnet.ibm.com (XAGSMTP4 at VMSDVM6)
> 
> On Thu, 2014-02-20 at 00:30 -0800, Paul E. McKenney wrote:
> > Well, all the compilers currently convert consume to acquire, so you have
> > your wish there.  Of course, that also means that they generate actual
> > unneeded memory-barrier instructions, which seems extremely sub-optimal
> > to me.
> 
> GCC doesn't currently, but it also doesn't seem to track the
> dependencies, but that's a bug:
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59448

Ah, cool!

							Thanx, Paul

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