lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Sun, 10 May 2020 16:24:51 +0900 From: Akira Yokosawa <akiyks@...il.com> To: "Joel Fernandes (Google)" <joel@...lfernandes.org>, Boqun Feng <boqun.feng@...il.com>, "Paul E. McKenney" <paulmck@...nel.org> Cc: linux-kernel@...r.kernel.org, vpillai@...italocean.com, Jonathan Corbet <corbet@....net>, Alan Stern <stern@...land.harvard.edu>, Andrea Parri <parri.andrea@...il.com>, Will Deacon <will@...nel.org>, Peter Zijlstra <peterz@...radead.org>, Nicholas Piggin <npiggin@...il.com>, David Howells <dhowells@...hat.com>, Jade Alglave <j.alglave@....ac.uk>, Luc Maranget <luc.maranget@...ia.fr>, Daniel Lustig <dlustig@...dia.com>, linux-doc@...r.kernel.org, Akira Yokosawa <akiyks@...il.com> Subject: [PATCH 2/3] Revert "Documentation: LKMM: Move MP+onceassign+derefonce to new litmus-tests/rcu/" >From 898051fee51913f5b9bd01cab98beb8944ec50b2 Mon Sep 17 00:00:00 2001 From: Akira Yokosawa <akiyks@...il.com> Date: Sun, 10 May 2020 13:43:34 +0900 Subject: [PATCH 2/3] Revert "Documentation: LKMM: Move MP+onceassign+derefonce to new litmus-tests/rcu/" This reverts commit a5cca3485d9206a9dbbc6f47d2a537e69b53cd82. MP+onceassign+derefonce.litmus is called out from tools/memory-model/Documentation/recipes.txt. It should be in the same directory as the other representative tests to help readers inspect it. Signed-off-by: Akira Yokosawa <akiyks@...il.com> --- Documentation/litmus-tests/README | 3 --- .../memory-model/litmus-tests}/MP+onceassign+derefonce.litmus | 0 tools/memory-model/litmus-tests/README | 3 +++ 3 files changed, 3 insertions(+), 3 deletions(-) rename {Documentation/litmus-tests/rcu => tools/memory-model/litmus-tests}/MP+onceassign+derefonce.litmus (100%) diff --git a/Documentation/litmus-tests/README b/Documentation/litmus-tests/README index 79d187f75679..c4307ea9f996 100644 --- a/Documentation/litmus-tests/README +++ b/Documentation/litmus-tests/README @@ -4,9 +4,6 @@ LITMUS TESTS RCU (/rcu directory) -------------------- -MP+onceassign+derefonce.litmus - Demonstrates that rcu_assign_pointer() and rcu_dereference() to - ensure that an RCU reader will not see pre-initialization garbage. RCU+sync+read.litmus RCU+sync+free.litmus diff --git a/Documentation/litmus-tests/rcu/MP+onceassign+derefonce.litmus b/tools/memory-model/litmus-tests/MP+onceassign+derefonce.litmus similarity index 100% rename from Documentation/litmus-tests/rcu/MP+onceassign+derefonce.litmus rename to tools/memory-model/litmus-tests/MP+onceassign+derefonce.litmus diff --git a/tools/memory-model/litmus-tests/README b/tools/memory-model/litmus-tests/README index 79e1b1ed4929..681f9067fa9e 100644 --- a/tools/memory-model/litmus-tests/README +++ b/tools/memory-model/litmus-tests/README @@ -63,6 +63,9 @@ LB+poonceonces.litmus As above, but with store-release replaced with WRITE_ONCE() and load-acquire replaced with READ_ONCE(). +MP+onceassign+derefonce.litmus + As below, but with rcu_assign_pointer() and an rcu_dereference(). + MP+polockmbonce+poacquiresilsil.litmus Protect the access with a lock and an smp_mb__after_spinlock() in one process, and use an acquire load followed by a pair of -- 2.17.1
Powered by blists - more mailing lists