On Fri, Nov 06, 2020 at 11:56:54AM -0500, Alan Stern wrote: > On Thu, Nov 05, 2020 at 02:00:12PM -0800, paulmck@xxxxxxxxxx wrote: > > From: "Paul E. McKenney" <paulmck@xxxxxxxxxx> > > > > The Linux kernel has a number of categories of ordering primitives, which > > are recorded in the LKMM implementation and hinted at by cheatsheet.txt. > > But there is no overview of these categories, and such an overview > > is needed in order to understand multithreaded LKMM litmus tests. > > This commit therefore adds an ordering.txt as well as extracting a > > control-dependencies.txt from memory-barriers.txt. It also updates the > > README file. > > > > [ paulmck: Apply Akira Yokosawa file-placement feedback. ] > > [ paulmck: Apply Alan Stern feedback. ] > > [ paulmck: Apply self-review feedback. ] > > Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxx> > > --- > > diff --git a/tools/memory-model/Documentation/README b/tools/memory-model/Documentation/README > > index 2d9539f..a50ea81 100644 > > --- a/tools/memory-model/Documentation/README > > +++ b/tools/memory-model/Documentation/README > > > @@ -41,13 +50,21 @@ README > > cheatsheet.txt > > Quick-reference guide to the Linux-kernel memory model. > > > > +control-dependencies.txt > > + Guide to preventing compiler optimizations from destroying > > + your control dependencies. > > + > > explanation.txt > > - Detailed description of the memory model. > > + Detailed description of the memory model in detail. > > A redundantly redundant change. I will revert the reversion of the removal of the added detail "in detail". ;-) Good catch, thank you! Thanx, Paul
