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McKenney" To: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, mingo@kernel.org Cc: stern@rowland.harvard.edu, andrea.parri@amarulasolutions.com, will.deacon@arm.com, peterz@infradead.org, boqun.feng@gmail.com, npiggin@gmail.com, dhowells@redhat.com, j.alglave@ucl.ac.uk, luc.maranget@inria.fr, akiyks@gmail.com, "Paul E. McKenney" Subject: [PATCH tip/core/rcu 08/21] tools/memory-model: Add support for synchronize_srcu_expedited() Date: Tue, 26 Mar 2019 16:41:20 -0700 X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190326234114.GA23843@linux.ibm.com> References: <20190326234114.GA23843@linux.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 19032623-0052-0000-0000-000003A18931 X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00010820; HX=3.00000242; KW=3.00000007; PH=3.00000004; SC=3.00000282; SDB=6.01180142; UDB=6.00617578; IPR=6.00960857; MB=3.00026170; MTD=3.00000008; XFM=3.00000015; UTC=2019-03-26 23:41:39 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19032623-0053-0000-0000-00006048E400 Message-Id: <20190326234133.24962-8-paulmck@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-03-26_15:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1903260159 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Given that synchronize_rcu_expedited() is supported, this commit adds support for synchronize_srcu_expedited(). Signed-off-by: Paul E. McKenney --- tools/memory-model/linux-kernel.def | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/memory-model/linux-kernel.def b/tools/memory-model/linux-kernel.def index 0c3f0ef486f4..551eeaa389d4 100644 --- a/tools/memory-model/linux-kernel.def +++ b/tools/memory-model/linux-kernel.def @@ -51,6 +51,7 @@ synchronize_rcu_expedited() { __fence{sync-rcu}; } srcu_read_lock(X) __srcu{srcu-lock}(X) srcu_read_unlock(X,Y) { __srcu{srcu-unlock}(X,Y); } synchronize_srcu(X) { __srcu{sync-srcu}(X); } +synchronize_srcu_expedited(X) { __srcu{sync-srcu}(X); } // Atomic atomic_read(X) READ_ONCE(*X) -- 2.17.1