From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AB4D1C2D0E4 for ; Fri, 27 Nov 2020 15:47:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 419F921D7A for ; Fri, 27 Nov 2020 15:47:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="tiH7vEcz" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730365AbgK0Pqz (ORCPT ); Fri, 27 Nov 2020 10:46:55 -0500 Received: from mail.kernel.org ([198.145.29.99]:35362 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730324AbgK0Pqz (ORCPT ); Fri, 27 Nov 2020 10:46:55 -0500 Received: from paulmck-ThinkPad-P72.home (50-39-104-11.bvtn.or.frontiernet.net [50.39.104.11]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 29216208CA; Fri, 27 Nov 2020 15:46:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1606492013; bh=Iabgosx/V08NJZZlVvW7Tv9uUY6cIjhWMdMbDqOD50A=; h=Date:From:To:Cc:Subject:Reply-To:References:In-Reply-To:From; b=tiH7vEczVPwxL1r6O/ChmpaVjqLkGgIx454joej0vqQN7jJkzHdshduzkU4qkwu0C dA7SB/Yo6BmxVhmwqylXw/jKFMec8IDmhjFdV8aqhjhB9d85cOv0aRTzeM4UGPfAUY o5keo6fKmvDUUqLdXDKC0utScohXdSt2SlZRq1xM= Received: by paulmck-ThinkPad-P72.home (Postfix, from userid 1000) id B49BE3520430; Fri, 27 Nov 2020 07:46:52 -0800 (PST) Date: Fri, 27 Nov 2020 07:46:52 -0800 From: "Paul E. McKenney" To: Akira Yokosawa Cc: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, kernel-team@fb.com, mingo@kernel.org, stern@rowland.harvard.edu, parri.andrea@gmail.com, will@kernel.org, peterz@infradead.org, boqun.feng@gmail.com, npiggin@gmail.com, dhowells@redhat.com, j.alglave@ucl.ac.uk, luc.maranget@inria.fr Subject: Re: [PATCH memory-model 6/8] tools/memory-model: Add types to litmus tests Message-ID: <20201127154652.GU1437@paulmck-ThinkPad-P72> Reply-To: paulmck@kernel.org References: <20201105215953.GA15309@paulmck-ThinkPad-P72> <20201105220017.15410-6-paulmck@kernel.org> <12e0baf4-b1c9-d674-1d4c-310e0a9b6343@gmail.com> <20201105225605.GQ3249@paulmck-ThinkPad-P72> <2acf8de5-efe9-a205-cb62-04c4774008c0@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2acf8de5-efe9-a205-cb62-04c4774008c0@gmail.com> User-Agent: Mutt/1.9.4 (2018-02-28) Precedence: bulk List-ID: X-Mailing-List: linux-arch@vger.kernel.org On Wed, Nov 25, 2020 at 08:34:47PM +0900, Akira Yokosawa wrote: > On Thu, 5 Nov 2020 14:56:05 -0800, Paul E. McKenney wrote: > > On Fri, Nov 06, 2020 at 07:41:48AM +0900, Akira Yokosawa wrote: > >> Hi Paul, > >> > >> On 2020/11/06 7:00, paulmck@kernel.org wrote: > >>> From: "Paul E. McKenney" > >>> > >>> This commit adds type information for global variables in the litmus > >>> tests in order to allow easier use with klitmus7. > >> > >> IIUC, klitmus7 is happy with existing litmus tests under tools/memory-model. > >> So I don't think this change is necessary. > >> > >> As a matter of fact, I was preparing a patch set to empty most of the > >> initialization blocks in perfbook's CodeSamples/formal/ litmus tests. > > > > Heh! Someone asked for this change several months back, and I failed > > to record who it was. If they don't object, I will remove this patch. > > Hi Paul, > > I'm seeing this patch still alive in the updated for-mingo-lkmm branch. > Have you got some objection? >From git, which was not able to trivially revert. If you send me a patch on top that removes the uneeded declarations and if someone tests it with a klitmus run, I will take it for the merge window following the upcoming one. Thanx, Paul > Thanks, Akira > > > > > Thanx, Paul > > > >>> > >>> Signed-off-by: Paul E. McKenney > >>> --- > >>> tools/memory-model/litmus-tests/CoRR+poonceonce+Once.litmus | 4 +++- > >>> tools/memory-model/litmus-tests/CoRW+poonceonce+Once.litmus | 4 +++- > >>> tools/memory-model/litmus-tests/CoWR+poonceonce+Once.litmus | 4 +++- > >>> tools/memory-model/litmus-tests/CoWW+poonceonce.litmus | 4 +++- > >>> .../litmus-tests/IRIW+fencembonceonces+OnceOnce.litmus | 5 ++++- > >>> tools/memory-model/litmus-tests/IRIW+poonceonces+OnceOnce.litmus | 5 ++++- > >>> .../litmus-tests/ISA2+pooncelock+pooncelock+pombonce.litmus | 7 ++++++- > >>> tools/memory-model/litmus-tests/ISA2+poonceonces.litmus | 6 +++++- > >>> .../ISA2+pooncerelease+poacquirerelease+poacquireonce.litmus | 6 +++++- > >>> .../litmus-tests/LB+fencembonceonce+ctrlonceonce.litmus | 5 ++++- > >>> .../litmus-tests/LB+poacquireonce+pooncerelease.litmus | 5 ++++- > >>> tools/memory-model/litmus-tests/LB+poonceonces.litmus | 5 ++++- > >>> .../litmus-tests/MP+fencewmbonceonce+fencermbonceonce.litmus | 5 ++++- > >>> tools/memory-model/litmus-tests/MP+onceassign+derefonce.litmus | 5 +++-- > >>> .../litmus-tests/MP+polockmbonce+poacquiresilsil.litmus | 2 ++ > >>> .../memory-model/litmus-tests/MP+polockonce+poacquiresilsil.litmus | 2 ++ > >>> tools/memory-model/litmus-tests/MP+polocks.litmus | 6 +++++- > >>> tools/memory-model/litmus-tests/MP+poonceonces.litmus | 5 ++++- > >>> .../litmus-tests/MP+pooncerelease+poacquireonce.litmus | 5 ++++- > >>> tools/memory-model/litmus-tests/MP+porevlocks.litmus | 6 +++++- > >>> tools/memory-model/litmus-tests/R+fencembonceonces.litmus | 5 ++++- > >>> tools/memory-model/litmus-tests/R+poonceonces.litmus | 5 ++++- > >>> .../litmus-tests/S+fencewmbonceonce+poacquireonce.litmus | 5 ++++- > >>> tools/memory-model/litmus-tests/S+poonceonces.litmus | 5 ++++- > >>> tools/memory-model/litmus-tests/SB+fencembonceonces.litmus | 5 ++++- > >>> tools/memory-model/litmus-tests/SB+poonceonces.litmus | 5 ++++- > >>> tools/memory-model/litmus-tests/SB+rfionceonce-poonceonces.litmus | 5 ++++- > >>> tools/memory-model/litmus-tests/WRC+poonceonces+Once.litmus | 5 ++++- > >>> .../litmus-tests/WRC+pooncerelease+fencermbonceonce+Once.litmus | 5 ++++- > >>> .../litmus-tests/Z6.0+pooncelock+poonceLock+pombonce.litmus | 7 ++++++- > >>> .../litmus-tests/Z6.0+pooncelock+pooncelock+pombonce.litmus | 7 ++++++- > >>> .../Z6.0+pooncerelease+poacquirerelease+fencembonceonce.litmus | 6 +++++- > >>> 32 files changed, 130 insertions(+), 31 deletions(-) > >>> > >>> diff --git a/tools/memory-model/litmus-tests/CoRR+poonceonce+Once.litmus b/tools/memory-model/litmus-tests/CoRR+poonceonce+Once.litmus > >>> index 967f9f2..772544f 100644 > >>> --- a/tools/memory-model/litmus-tests/CoRR+poonceonce+Once.litmus > >>> +++ b/tools/memory-model/litmus-tests/CoRR+poonceonce+Once.litmus > >>> @@ -7,7 +7,9 @@ C CoRR+poonceonce+Once > >>> * reads from the same variable are ordered. > >>> *) > >>> > >>> -{} > >>> +{ > >>> + int x; > >>> +} > >>> > >>> P0(int *x) > >>> { > >>> diff --git a/tools/memory-model/litmus-tests/CoRW+poonceonce+Once.litmus b/tools/memory-model/litmus-tests/CoRW+poonceonce+Once.litmus > >>> index 4635739..5faae98 100644 > >>> --- a/tools/memory-model/litmus-tests/CoRW+poonceonce+Once.litmus > >>> +++ b/tools/memory-model/litmus-tests/CoRW+poonceonce+Once.litmus > >>> @@ -7,7 +7,9 @@ C CoRW+poonceonce+Once > >>> * a given variable and a later write to that same variable are ordered. > >>> *) > >>> > >>> -{} > >>> +{ > >>> + int x; > >>> +} > >>> > >>> P0(int *x) > >>> { > >>> diff --git a/tools/memory-model/litmus-tests/CoWR+poonceonce+Once.litmus b/tools/memory-model/litmus-tests/CoWR+poonceonce+Once.litmus > >>> index bb068c9..77c9cc9 100644 > >>> --- a/tools/memory-model/litmus-tests/CoWR+poonceonce+Once.litmus > >>> +++ b/tools/memory-model/litmus-tests/CoWR+poonceonce+Once.litmus > >>> @@ -7,7 +7,9 @@ C CoWR+poonceonce+Once > >>> * given variable and a later read from that same variable are ordered. > >>> *) > >>> > >>> -{} > >>> +{ > >>> + int x; > >>> +} > >>> > >>> P0(int *x) > >>> { > >>> diff --git a/tools/memory-model/litmus-tests/CoWW+poonceonce.litmus b/tools/memory-model/litmus-tests/CoWW+poonceonce.litmus > >>> index 0d9f0a9..85ef746 100644 > >>> --- a/tools/memory-model/litmus-tests/CoWW+poonceonce.litmus > >>> +++ b/tools/memory-model/litmus-tests/CoWW+poonceonce.litmus > >>> @@ -7,7 +7,9 @@ C CoWW+poonceonce > >>> * writes to the same variable are ordered. > >>> *) > >>> > >>> -{} > >>> +{ > >>> + int x; > >>> +} > >>> > >>> P0(int *x) > >>> { > >>> diff --git a/tools/memory-model/litmus-tests/IRIW+fencembonceonces+OnceOnce.litmus b/tools/memory-model/litmus-tests/IRIW+fencembonceonces+OnceOnce.litmus > >>> index e729d27..87aa900 100644 > >>> --- a/tools/memory-model/litmus-tests/IRIW+fencembonceonces+OnceOnce.litmus > >>> +++ b/tools/memory-model/litmus-tests/IRIW+fencembonceonces+OnceOnce.litmus > >>> @@ -10,7 +10,10 @@ C IRIW+fencembonceonces+OnceOnce > >>> * process? This litmus test exercises LKMM's "propagation" rule. > >>> *) > >>> > >>> -{} > >>> +{ > >>> + int x; > >>> + int y; > >>> +} > >>> > >>> P0(int *x) > >>> { > >>> diff --git a/tools/memory-model/litmus-tests/IRIW+poonceonces+OnceOnce.litmus b/tools/memory-model/litmus-tests/IRIW+poonceonces+OnceOnce.litmus > >>> index 4b54dd6..f84022d 100644 > >>> --- a/tools/memory-model/litmus-tests/IRIW+poonceonces+OnceOnce.litmus > >>> +++ b/tools/memory-model/litmus-tests/IRIW+poonceonces+OnceOnce.litmus > >>> @@ -10,7 +10,10 @@ C IRIW+poonceonces+OnceOnce > >>> * different process? > >>> *) > >>> > >>> -{} > >>> +{ > >>> + int x; > >>> + int y; > >>> +} > >>> > >>> P0(int *x) > >>> { > >>> diff --git a/tools/memory-model/litmus-tests/ISA2+pooncelock+pooncelock+pombonce.litmus b/tools/memory-model/litmus-tests/ISA2+pooncelock+pooncelock+pombonce.litmus > >>> index 094d58d..398f624 100644 > >>> --- a/tools/memory-model/litmus-tests/ISA2+pooncelock+pooncelock+pombonce.litmus > >>> +++ b/tools/memory-model/litmus-tests/ISA2+pooncelock+pooncelock+pombonce.litmus > >>> @@ -7,7 +7,12 @@ C ISA2+pooncelock+pooncelock+pombonce > >>> * (in P0() and P1()) is visible to external process P2(). > >>> *) > >>> > >>> -{} > >>> +{ > >>> + spinlock_t mylock; > >>> + int x; > >>> + int y; > >>> + int z; > >>> +} > >>> > >>> P0(int *x, int *y, spinlock_t *mylock) > >>> { > >>> diff --git a/tools/memory-model/litmus-tests/ISA2+poonceonces.litmus b/tools/memory-model/litmus-tests/ISA2+poonceonces.litmus > >>> index b321aa6..212a432 100644 > >>> --- a/tools/memory-model/litmus-tests/ISA2+poonceonces.litmus > >>> +++ b/tools/memory-model/litmus-tests/ISA2+poonceonces.litmus > >>> @@ -9,7 +9,11 @@ C ISA2+poonceonces > >>> * of the smp_load_acquire() invocations are replaced by READ_ONCE()? > >>> *) > >>> > >>> -{} > >>> +{ > >>> + int x; > >>> + int y; > >>> + int z; > >>> +} > >>> > >>> P0(int *x, int *y) > >>> { > >>> diff --git a/tools/memory-model/litmus-tests/ISA2+pooncerelease+poacquirerelease+poacquireonce.litmus b/tools/memory-model/litmus-tests/ISA2+pooncerelease+poacquirerelease+poacquireonce.litmus > >>> index 025b046..7afd856 100644 > >>> --- a/tools/memory-model/litmus-tests/ISA2+pooncerelease+poacquirerelease+poacquireonce.litmus > >>> +++ b/tools/memory-model/litmus-tests/ISA2+pooncerelease+poacquirerelease+poacquireonce.litmus > >>> @@ -11,7 +11,11 @@ C ISA2+pooncerelease+poacquirerelease+poacquireonce > >>> * (AKA non-rf) link, so release-acquire is all that is needed. > >>> *) > >>> > >>> -{} > >>> +{ > >>> + int x; > >>> + int y; > >>> + int z; > >>> +} > >>> > >>> P0(int *x, int *y) > >>> { > >>> diff --git a/tools/memory-model/litmus-tests/LB+fencembonceonce+ctrlonceonce.litmus b/tools/memory-model/litmus-tests/LB+fencembonceonce+ctrlonceonce.litmus > >>> index 4727f5a..c8a93c7 100644 > >>> --- a/tools/memory-model/litmus-tests/LB+fencembonceonce+ctrlonceonce.litmus > >>> +++ b/tools/memory-model/litmus-tests/LB+fencembonceonce+ctrlonceonce.litmus > >>> @@ -11,7 +11,10 @@ C LB+fencembonceonce+ctrlonceonce > >>> * another control dependency and order would still be maintained.) > >>> *) > >>> > >>> -{} > >>> +{ > >>> + int x; > >>> + int y; > >>> +} > >>> > >>> P0(int *x, int *y) > >>> { > >>> diff --git a/tools/memory-model/litmus-tests/LB+poacquireonce+pooncerelease.litmus b/tools/memory-model/litmus-tests/LB+poacquireonce+pooncerelease.litmus > >>> index 07b9904..2fa0295 100644 > >>> --- a/tools/memory-model/litmus-tests/LB+poacquireonce+pooncerelease.litmus > >>> +++ b/tools/memory-model/litmus-tests/LB+poacquireonce+pooncerelease.litmus > >>> @@ -8,7 +8,10 @@ C LB+poacquireonce+pooncerelease > >>> * to the other? > >>> *) > >>> > >>> -{} > >>> +{ > >>> + int x; > >>> + int y; > >>> +} > >>> > >>> P0(int *x, int *y) > >>> { > >>> diff --git a/tools/memory-model/litmus-tests/LB+poonceonces.litmus b/tools/memory-model/litmus-tests/LB+poonceonces.litmus > >>> index 74c49cb..2107306 100644 > >>> --- a/tools/memory-model/litmus-tests/LB+poonceonces.litmus > >>> +++ b/tools/memory-model/litmus-tests/LB+poonceonces.litmus > >>> @@ -7,7 +7,10 @@ C LB+poonceonces > >>> * be prevented even with no explicit ordering? > >>> *) > >>> > >>> -{} > >>> +{ > >>> + int x; > >>> + int y; > >>> +} > >>> > >>> P0(int *x, int *y) > >>> { > >>> diff --git a/tools/memory-model/litmus-tests/MP+fencewmbonceonce+fencermbonceonce.litmus b/tools/memory-model/litmus-tests/MP+fencewmbonceonce+fencermbonceonce.litmus > >>> index a273da9..e04b71b 100644 > >>> --- a/tools/memory-model/litmus-tests/MP+fencewmbonceonce+fencermbonceonce.litmus > >>> +++ b/tools/memory-model/litmus-tests/MP+fencewmbonceonce+fencermbonceonce.litmus > >>> @@ -8,7 +8,10 @@ C MP+fencewmbonceonce+fencermbonceonce > >>> * is usually better to use smp_store_release() and smp_load_acquire(). > >>> *) > >>> > >>> -{} > >>> +{ > >>> + int x; > >>> + int y; > >>> +} > >>> > >>> P0(int *x, int *y) > >>> { > >>> diff --git a/tools/memory-model/litmus-tests/MP+onceassign+derefonce.litmus b/tools/memory-model/litmus-tests/MP+onceassign+derefonce.litmus > >>> index 97731b4..18df682 100644 > >>> --- a/tools/memory-model/litmus-tests/MP+onceassign+derefonce.litmus > >>> +++ b/tools/memory-model/litmus-tests/MP+onceassign+derefonce.litmus > >>> @@ -10,8 +10,9 @@ C MP+onceassign+derefonce > >>> *) > >>> > >>> { > >>> -y=z; > >>> -z=0; > >>> + int x; > >>> + int *y=z; > >>> + int z=0; > >>> } > >>> > >>> P0(int *x, int **y) > >>> diff --git a/tools/memory-model/litmus-tests/MP+polockmbonce+poacquiresilsil.litmus b/tools/memory-model/litmus-tests/MP+polockmbonce+poacquiresilsil.litmus > >>> index 50f4d62..b1b1266 100644 > >>> --- a/tools/memory-model/litmus-tests/MP+polockmbonce+poacquiresilsil.litmus > >>> +++ b/tools/memory-model/litmus-tests/MP+polockmbonce+poacquiresilsil.litmus > >>> @@ -11,6 +11,8 @@ C MP+polockmbonce+poacquiresilsil > >>> *) > >>> > >>> { > >>> + spinlock_t lo; > >>> + int x; > >>> } > >>> > >>> P0(spinlock_t *lo, int *x) > >>> diff --git a/tools/memory-model/litmus-tests/MP+polockonce+poacquiresilsil.litmus b/tools/memory-model/litmus-tests/MP+polockonce+poacquiresilsil.litmus > >>> index abf81e7..867c75d 100644 > >>> --- a/tools/memory-model/litmus-tests/MP+polockonce+poacquiresilsil.litmus > >>> +++ b/tools/memory-model/litmus-tests/MP+polockonce+poacquiresilsil.litmus > >>> @@ -11,6 +11,8 @@ C MP+polockonce+poacquiresilsil > >>> *) > >>> > >>> { > >>> + spinlock_t lo; > >>> + int x; > >>> } > >>> > >>> P0(spinlock_t *lo, int *x) > >>> diff --git a/tools/memory-model/litmus-tests/MP+polocks.litmus b/tools/memory-model/litmus-tests/MP+polocks.litmus > >>> index 712a4fcd..63e0f67 100644 > >>> --- a/tools/memory-model/litmus-tests/MP+polocks.litmus > >>> +++ b/tools/memory-model/litmus-tests/MP+polocks.litmus > >>> @@ -11,7 +11,11 @@ C MP+polocks > >>> * to see all prior accesses by those other CPUs. > >>> *) > >>> > >>> -{} > >>> +{ > >>> + spinlock_t mylock; > >>> + int x; > >>> + int y; > >>> +} > >>> > >>> P0(int *x, int *y, spinlock_t *mylock) > >>> { > >>> diff --git a/tools/memory-model/litmus-tests/MP+poonceonces.litmus b/tools/memory-model/litmus-tests/MP+poonceonces.litmus > >>> index 172f014..68180a4 100644 > >>> --- a/tools/memory-model/litmus-tests/MP+poonceonces.litmus > >>> +++ b/tools/memory-model/litmus-tests/MP+poonceonces.litmus > >>> @@ -7,7 +7,10 @@ C MP+poonceonces > >>> * no ordering at all? > >>> *) > >>> > >>> -{} > >>> +{ > >>> + int x; > >>> + int y; > >>> +} > >>> > >>> P0(int *x, int *y) > >>> { > >>> diff --git a/tools/memory-model/litmus-tests/MP+pooncerelease+poacquireonce.litmus b/tools/memory-model/litmus-tests/MP+pooncerelease+poacquireonce.litmus > >>> index d52c684..19f3e68 100644 > >>> --- a/tools/memory-model/litmus-tests/MP+pooncerelease+poacquireonce.litmus > >>> +++ b/tools/memory-model/litmus-tests/MP+pooncerelease+poacquireonce.litmus > >>> @@ -8,7 +8,10 @@ C MP+pooncerelease+poacquireonce > >>> * pattern. > >>> *) > >>> > >>> -{} > >>> +{ > >>> + int x; > >>> + int y; > >>> +} > >>> > >>> P0(int *x, int *y) > >>> { > >>> diff --git a/tools/memory-model/litmus-tests/MP+porevlocks.litmus b/tools/memory-model/litmus-tests/MP+porevlocks.litmus > >>> index 72c9276..4ac189a 100644 > >>> --- a/tools/memory-model/litmus-tests/MP+porevlocks.litmus > >>> +++ b/tools/memory-model/litmus-tests/MP+porevlocks.litmus > >>> @@ -11,7 +11,11 @@ C MP+porevlocks > >>> * see all prior accesses by those other CPUs. > >>> *) > >>> > >>> -{} > >>> +{ > >>> + spinlock_t mylock; > >>> + int x; > >>> + int y; > >>> +} > >>> > >>> P0(int *x, int *y, spinlock_t *mylock) > >>> { > >>> diff --git a/tools/memory-model/litmus-tests/R+fencembonceonces.litmus b/tools/memory-model/litmus-tests/R+fencembonceonces.litmus > >>> index 222a0b8..af9463b 100644 > >>> --- a/tools/memory-model/litmus-tests/R+fencembonceonces.litmus > >>> +++ b/tools/memory-model/litmus-tests/R+fencembonceonces.litmus > >>> @@ -9,7 +9,10 @@ C R+fencembonceonces > >>> * cause the resulting test to be allowed. > >>> *) > >>> > >>> -{} > >>> +{ > >>> + int x; > >>> + int y; > >>> +} > >>> > >>> P0(int *x, int *y) > >>> { > >>> diff --git a/tools/memory-model/litmus-tests/R+poonceonces.litmus b/tools/memory-model/litmus-tests/R+poonceonces.litmus > >>> index 5386f12..bcd5574e 100644 > >>> --- a/tools/memory-model/litmus-tests/R+poonceonces.litmus > >>> +++ b/tools/memory-model/litmus-tests/R+poonceonces.litmus > >>> @@ -8,7 +8,10 @@ C R+poonceonces > >>> * store propagation delays. > >>> *) > >>> > >>> -{} > >>> +{ > >>> + int x; > >>> + int y; > >>> +} > >>> > >>> P0(int *x, int *y) > >>> { > >>> diff --git a/tools/memory-model/litmus-tests/S+fencewmbonceonce+poacquireonce.litmus b/tools/memory-model/litmus-tests/S+fencewmbonceonce+poacquireonce.litmus > >>> index 1847982..c36341d 100644 > >>> --- a/tools/memory-model/litmus-tests/S+fencewmbonceonce+poacquireonce.litmus > >>> +++ b/tools/memory-model/litmus-tests/S+fencewmbonceonce+poacquireonce.litmus > >>> @@ -7,7 +7,10 @@ C S+fencewmbonceonce+poacquireonce > >>> * store against a subsequent store? > >>> *) > >>> > >>> -{} > >>> +{ > >>> + int x; > >>> + int y; > >>> +} > >>> > >>> P0(int *x, int *y) > >>> { > >>> diff --git a/tools/memory-model/litmus-tests/S+poonceonces.litmus b/tools/memory-model/litmus-tests/S+poonceonces.litmus > >>> index 8c9c2f8..7775c23 100644 > >>> --- a/tools/memory-model/litmus-tests/S+poonceonces.litmus > >>> +++ b/tools/memory-model/litmus-tests/S+poonceonces.litmus > >>> @@ -9,7 +9,10 @@ C S+poonceonces > >>> * READ_ONCE(), is ordering preserved? > >>> *) > >>> > >>> -{} > >>> +{ > >>> + int x; > >>> + int y; > >>> +} > >>> > >>> P0(int *x, int *y) > >>> { > >>> diff --git a/tools/memory-model/litmus-tests/SB+fencembonceonces.litmus b/tools/memory-model/litmus-tests/SB+fencembonceonces.litmus > >>> index ed5fff1..833cdfe 100644 > >>> --- a/tools/memory-model/litmus-tests/SB+fencembonceonces.litmus > >>> +++ b/tools/memory-model/litmus-tests/SB+fencembonceonces.litmus > >>> @@ -9,7 +9,10 @@ C SB+fencembonceonces > >>> * suffice, but not much else.) > >>> *) > >>> > >>> -{} > >>> +{ > >>> + int x; > >>> + int y; > >>> +} > >>> > >>> P0(int *x, int *y) > >>> { > >>> diff --git a/tools/memory-model/litmus-tests/SB+poonceonces.litmus b/tools/memory-model/litmus-tests/SB+poonceonces.litmus > >>> index 10d5507..c92211e 100644 > >>> --- a/tools/memory-model/litmus-tests/SB+poonceonces.litmus > >>> +++ b/tools/memory-model/litmus-tests/SB+poonceonces.litmus > >>> @@ -8,7 +8,10 @@ C SB+poonceonces > >>> * variable that the preceding process reads. > >>> *) > >>> > >>> -{} > >>> +{ > >>> + int x; > >>> + int y; > >>> +} > >>> > >>> P0(int *x, int *y) > >>> { > >>> diff --git a/tools/memory-model/litmus-tests/SB+rfionceonce-poonceonces.litmus b/tools/memory-model/litmus-tests/SB+rfionceonce-poonceonces.litmus > >>> index 04a1660..84344b4 100644 > >>> --- a/tools/memory-model/litmus-tests/SB+rfionceonce-poonceonces.litmus > >>> +++ b/tools/memory-model/litmus-tests/SB+rfionceonce-poonceonces.litmus > >>> @@ -6,7 +6,10 @@ C SB+rfionceonce-poonceonces > >>> * This litmus test demonstrates that LKMM is not fully multicopy atomic. > >>> *) > >>> > >>> -{} > >>> +{ > >>> + int x; > >>> + int y; > >>> +} > >>> > >>> P0(int *x, int *y) > >>> { > >>> diff --git a/tools/memory-model/litmus-tests/WRC+poonceonces+Once.litmus b/tools/memory-model/litmus-tests/WRC+poonceonces+Once.litmus > >>> index 6a2bc12..4314947 100644 > >>> --- a/tools/memory-model/litmus-tests/WRC+poonceonces+Once.litmus > >>> +++ b/tools/memory-model/litmus-tests/WRC+poonceonces+Once.litmus > >>> @@ -8,7 +8,10 @@ C WRC+poonceonces+Once > >>> * test has no ordering at all. > >>> *) > >>> > >>> -{} > >>> +{ > >>> + int x; > >>> + int y; > >>> +} > >>> > >>> P0(int *x) > >>> { > >>> diff --git a/tools/memory-model/litmus-tests/WRC+pooncerelease+fencermbonceonce+Once.litmus b/tools/memory-model/litmus-tests/WRC+pooncerelease+fencermbonceonce+Once.litmus > >>> index e994725..554999c 100644 > >>> --- a/tools/memory-model/litmus-tests/WRC+pooncerelease+fencermbonceonce+Once.litmus > >>> +++ b/tools/memory-model/litmus-tests/WRC+pooncerelease+fencermbonceonce+Once.litmus > >>> @@ -10,7 +10,10 @@ C WRC+pooncerelease+fencermbonceonce+Once > >>> * is A-cumulative in LKMM. > >>> *) > >>> > >>> -{} > >>> +{ > >>> + int x; > >>> + int y; > >>> +} > >>> > >>> P0(int *x) > >>> { > >>> diff --git a/tools/memory-model/litmus-tests/Z6.0+pooncelock+poonceLock+pombonce.litmus b/tools/memory-model/litmus-tests/Z6.0+pooncelock+poonceLock+pombonce.litmus > >>> index 415248f..265a95f 100644 > >>> --- a/tools/memory-model/litmus-tests/Z6.0+pooncelock+poonceLock+pombonce.litmus > >>> +++ b/tools/memory-model/litmus-tests/Z6.0+pooncelock+poonceLock+pombonce.litmus > >>> @@ -9,7 +9,12 @@ C Z6.0+pooncelock+poonceLock+pombonce > >>> * by CPUs not holding that lock. > >>> *) > >>> > >>> -{} > >>> +{ > >>> + spinlock_t mylock; > >>> + int x; > >>> + int y; > >>> + int z; > >>> +} > >>> > >>> P0(int *x, int *y, spinlock_t *mylock) > >>> { > >>> diff --git a/tools/memory-model/litmus-tests/Z6.0+pooncelock+pooncelock+pombonce.litmus b/tools/memory-model/litmus-tests/Z6.0+pooncelock+pooncelock+pombonce.litmus > >>> index 10a2aa0..0c9aea8 100644 > >>> --- a/tools/memory-model/litmus-tests/Z6.0+pooncelock+pooncelock+pombonce.litmus > >>> +++ b/tools/memory-model/litmus-tests/Z6.0+pooncelock+pooncelock+pombonce.litmus > >>> @@ -8,7 +8,12 @@ C Z6.0+pooncelock+pooncelock+pombonce > >>> * seen as ordered by a third process not holding that lock. > >>> *) > >>> > >>> -{} > >>> +{ > >>> + spinlock_t mylock; > >>> + int x; > >>> + int y; > >>> + int z; > >>> +} > >>> > >>> P0(int *x, int *y, spinlock_t *mylock) > >>> { > >>> diff --git a/tools/memory-model/litmus-tests/Z6.0+pooncerelease+poacquirerelease+fencembonceonce.litmus b/tools/memory-model/litmus-tests/Z6.0+pooncerelease+poacquirerelease+fencembonceonce.litmus > >>> index 88e70b8..661f9aa 100644 > >>> --- a/tools/memory-model/litmus-tests/Z6.0+pooncerelease+poacquirerelease+fencembonceonce.litmus > >>> +++ b/tools/memory-model/litmus-tests/Z6.0+pooncerelease+poacquirerelease+fencembonceonce.litmus > >>> @@ -14,7 +14,11 @@ C Z6.0+pooncerelease+poacquirerelease+fencembonceonce > >>> * involving locking.) > >>> *) > >>> > >>> -{} > >>> +{ > >>> + int x; > >>> + int y; > >>> + int z; > >>> +} > >>> > >>> P0(int *x, int *y) > >>> { > >>>