linux-kernel - [PATCH memory-model 05/19] tools/memory-order: Improve key for SELF and SV

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Message-Id: <1526340837-12222-5-git-send-email-paulmck@linux.vnet.ibm.com>
Date:   Mon, 14 May 2018 16:33:43 -0700
From:   "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:     linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
        mingo@...nel.org
Cc:     stern@...land.harvard.edu, parri.andrea@...il.com,
        will.deacon@....com, peterz@...radead.org, boqun.feng@...il.com,
        npiggin@...il.com, dhowells@...hat.com, j.alglave@....ac.uk,
        luc.maranget@...ia.fr, akiyks@...il.com,
        "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Subject: [PATCH memory-model 05/19] tools/memory-order: Improve key for SELF and SV

The key for "SELF" was missing completely and the key for "SV" was
a bit obtuse.  This commit therefore adds a key for "SELF" and improves
the one for "SV".

Reported-by: Paolo Bonzini <pbonzini@...hat.com>
Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
Acked-by: Alan Stern <stern@...land.harvard.edu>
---
 tools/memory-model/Documentation/cheatsheet.txt | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/memory-model/Documentation/cheatsheet.txt b/tools/memory-model/Documentation/cheatsheet.txt
index c0eafdaddfa4..46fe79afc737 100644
--- a/tools/memory-model/Documentation/cheatsheet.txt
+++ b/tools/memory-model/Documentation/cheatsheet.txt
@@ -26,4 +26,5 @@ Key:	C:	Ordering is cumulative
 	DR:	Dependent read (address dependency)
 	DW:	Dependent write (address, data, or control dependency)
 	RMW:	Atomic read-modify-write operation
-	SV	Same-variable access
+	SELF:	Orders self, as opposed to accesses before and/or after
+	SV:	Orders later accesses to the same variable
-- 
2.5.2