Re: [PATCH v8 4/4] qrwlock: Use smp_store_release() in write_unlock()
From: Peter Zijlstra
Date: Wed Jan 15 2014 - 18:22:20 EST
On Wed, Jan 15, 2014 at 12:53:46PM -0800, Paul E. McKenney wrote:
> But we did drop support for SMP i386 quite some time ago, so perhaps
> it is time to drop support for SMP Alpha pre-EV56.
So while the primitive is called smp_store_release() the !SMP variant
still does:
*(volatile __type *) = ptr;
which should not compile on any Alpha pre EV56, SMP or no for __type ==
u8.
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