From c7f2e3cd6c1f4932ccc4135d050eae3f7c7aef63 Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Mon, 25 Nov 2013 11:49:10 +0100 Subject: [PATCH] perf: Optimize ring-buffer write by depending on control dependencies Remove a full barrier from the ring-buffer write path by relying on a control dependency to order a LOAD -> STORE scenario. Cc: "Paul E. McKenney" Signed-off-by: Peter Zijlstra Link: http://lkml.kernel.org/n/tip-8alv40z6ikk57jzbaobnxrjl@git.kernel.org Signed-off-by: Ingo Molnar --- Reading git-format-patch failed