On Tue, Sep 02, 2014 at 11:34:29PM -0400, Pranith Kumar wrote: > Correct the example of memory orderings in memory-barriers.txt > > Commit 615cc2c9cf95 "Documentation/memory-barriers.txt: fix important typo re > memory barriers" changed the assignment to x and y. Change the rest of the > example to match this change. > > Reported-by: Ganesh Rapolu <ganesh.rapolu@xxxxxxxxxxx> > Signed-off-by: Pranith Kumar <bobby.prani@xxxxxxxxx> Queued, thank you! Thanx, Paul > --- > Documentation/memory-barriers.txt | 22 +++++++++++----------- > 1 file changed, 11 insertions(+), 11 deletions(-) > > diff --git a/Documentation/memory-barriers.txt b/Documentation/memory-barriers.txt > index a4de88f..02f5de8 100644 > --- a/Documentation/memory-barriers.txt > +++ b/Documentation/memory-barriers.txt > @@ -121,22 +121,22 @@ For example, consider the following sequence of events: > The set of accesses as seen by the memory system in the middle can be arranged > in 24 different combinations: > > - STORE A=3, STORE B=4, x=LOAD A->3, y=LOAD B->4 > - STORE A=3, STORE B=4, y=LOAD B->4, x=LOAD A->3 > - STORE A=3, x=LOAD A->3, STORE B=4, y=LOAD B->4 > - STORE A=3, x=LOAD A->3, y=LOAD B->2, STORE B=4 > - STORE A=3, y=LOAD B->2, STORE B=4, x=LOAD A->3 > - STORE A=3, y=LOAD B->2, x=LOAD A->3, STORE B=4 > - STORE B=4, STORE A=3, x=LOAD A->3, y=LOAD B->4 > + STORE A=3, STORE B=4, y=LOAD A->3, x=LOAD B->4 > + STORE A=3, STORE B=4, x=LOAD B->4, y=LOAD A->3 > + STORE A=3, y=LOAD A->3, STORE B=4, x=LOAD B->4 > + STORE A=3, y=LOAD A->3, x=LOAD B->2, STORE B=4 > + STORE A=3, x=LOAD B->2, STORE B=4, y=LOAD A->3 > + STORE A=3, x=LOAD B->2, y=LOAD A->3, STORE B=4 > + STORE B=4, STORE A=3, y=LOAD A->3, x=LOAD B->4 > STORE B=4, ... > ... > > and can thus result in four different combinations of values: > > - x == 1, y == 2 > - x == 1, y == 4 > - x == 3, y == 2 > - x == 3, y == 4 > + x == 2, y == 1 > + x == 2, y == 3 > + x == 4, y == 1 > + x == 4, y == 3 > > > Furthermore, the stores committed by a CPU to the memory system may not be > -- > 2.1.0 > -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
