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McKenney" To: linux-kernel@vger.kernel.org Cc: mingo@kernel.org, jiangshanlai@gmail.com, dipankar@in.ibm.com, akpm@linux-foundation.org, mathieu.desnoyers@efficios.com, josh@joshtriplett.org, tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org, dhowells@redhat.com, edumazet@google.com, fweisbec@gmail.com, oleg@redhat.com, joel@joelfernandes.org, "Paul E. McKenney" Subject: [PATCH tip/core/rcu 11/52] rcu: Remove rsp parameter from print_other_cpu_stall() Date: Wed, 29 Aug 2018 15:38:13 -0700 X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180829223830.GA1800@linux.vnet.ibm.com> References: <20180829223830.GA1800@linux.vnet.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 18082922-0064-0000-0000-000003440008 X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00009636; HX=3.00000242; KW=3.00000007; PH=3.00000004; SC=3.00000266; SDB=6.01080744; UDB=6.00557497; IPR=6.00860729; MB=3.00023002; MTD=3.00000008; XFM=3.00000015; UTC=2018-08-29 22:39:01 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18082922-0065-0000-0000-00003A7847C6 Message-Id: <20180829223854.4055-11-paulmck@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2018-08-29_06:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=1 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=8.0.1-1807170000 definitions=main-1808290220 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org There now is only one rcu_state structure in a given build of the Linux kernel, so there is no need to pass it as a parameter to RCU's functions. This commit therefore removes the rsp parameter from print_other_cpu_stall(). Signed-off-by: Paul E. McKenney --- kernel/rcu/tree.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c index 0777374f12a3..a674198b5560 100644 --- a/kernel/rcu/tree.c +++ b/kernel/rcu/tree.c @@ -1312,7 +1312,7 @@ static void panic_on_rcu_stall(void) panic("RCU Stall\n"); } -static void print_other_cpu_stall(struct rcu_state *rsp, unsigned long gp_seq) +static void print_other_cpu_stall(unsigned long gp_seq) { int cpu; unsigned long flags; @@ -1320,6 +1320,7 @@ static void print_other_cpu_stall(struct rcu_state *rsp, unsigned long gp_seq) unsigned long j; int ndetected = 0; struct rcu_node *rnp = rcu_get_root(); + struct rcu_state *rsp = &rcu_state; long totqlen = 0; /* Kick and suppress, if so configured. */ @@ -1497,7 +1498,7 @@ static void check_cpu_stall(struct rcu_state *rsp, struct rcu_data *rdp) cmpxchg(&rsp->jiffies_stall, js, jn) == js) { /* They had a few time units to dump stack, so complain. */ - print_other_cpu_stall(rsp, gs2); + print_other_cpu_stall(gs2); } } -- 2.17.1