From mboxrd@z Thu Jan 1 00:00:00 1970 From: peterz@infradead.org (Peter Zijlstra) Date: Tue, 26 Jan 2016 11:32:00 +0100 Subject: [v3,11/41] mips: reuse asm-generic/barrier.h In-Reply-To: <20160126102402.GE6357@twins.programming.kicks-ass.net> References: <20160113104516.GE25458@arm.com> <56969F4B.7070001@imgtec.com> <20160113204844.GV6357@twins.programming.kicks-ass.net> <5696BA6E.4070508@imgtec.com> <20160114120445.GB15828@arm.com> <56980145.5030901@imgtec.com> <20160114204827.GE3818@linux.vnet.ibm.com> <56981212.7050301@imgtec.com> <20160114222046.GH3818@linux.vnet.ibm.com> <20160126102402.GE6357@twins.programming.kicks-ass.net> Message-ID: <20160126103200.GI6375@twins.programming.kicks-ass.net> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Tue, Jan 26, 2016 at 11:24:02AM +0100, Peter Zijlstra wrote: > Yeah, this goes under the header: memory-barriers.txt is _NOT_ a > specification (I seem to keep repeating this). Do we want this ? --- Documentation/memory-barriers.txt | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/Documentation/memory-barriers.txt b/Documentation/memory-barriers.txt index a61be39c7b51..433326ebdc26 100644 --- a/Documentation/memory-barriers.txt +++ b/Documentation/memory-barriers.txt @@ -1,3 +1,4 @@ + ============================ LINUX KERNEL MEMORY BARRIERS ============================ @@ -5,6 +6,22 @@ By: David Howells Paul E. McKenney +========== +DISCLAIMER +========== + +This document is not a specification; it is intentionally (for the sake of +brevity) and unintentionally (due to being human) incomplete. This document is +meant as a guide to using the various memory barriers provided by Linux, but +in case of any doubt (and there are many) please ask. + +I repeat, this document is not a specification of what Linux expects from +hardware. + +===== +INDEX +===== + Contents: (*) Abstract memory access model.