From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:43024 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727075AbeKLFdr (ORCPT ); Mon, 12 Nov 2018 00:33:47 -0500 Received: from pps.filterd (m0098404.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id wABJi9pl051049 for ; Sun, 11 Nov 2018 14:44:20 -0500 Received: from e11.ny.us.ibm.com (e11.ny.us.ibm.com [129.33.205.201]) by mx0a-001b2d01.pphosted.com with ESMTP id 2npdbghdx3-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Sun, 11 Nov 2018 14:44:20 -0500 Received: from localhost by e11.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Sun, 11 Nov 2018 19:44:19 -0000 From: "Paul E. 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" , Steffen Klassert , linux-crypto@vger.kernel.org Subject: [PATCH tip/core/rcu 09/41] crypto/pcrypt: Replace synchronize_rcu_bh() with synchronize_rcu() Date: Sun, 11 Nov 2018 11:43:38 -0800 In-Reply-To: <20181111194104.GA4787@linux.ibm.com> References: <20181111194104.GA4787@linux.ibm.com> Message-Id: <20181111194410.6368-9-paulmck@linux.ibm.com> Sender: linux-crypto-owner@vger.kernel.org List-ID: Now that synchronize_rcu() waits for bh-disable regions of code as well as RCU read-side critical sections, the synchronize_rcu_bh() in pcrypt_cpumask_change_notify() can be replaced by synchronize_rcu(). This commit therefore makes this change. Signed-off-by: Paul E. McKenney Cc: Steffen Klassert Cc: --- crypto/pcrypt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/crypto/pcrypt.c b/crypto/pcrypt.c index f8ec3d4ba4a8..8eb3c4c9ff67 100644 --- a/crypto/pcrypt.c +++ b/crypto/pcrypt.c @@ -382,7 +382,7 @@ static int pcrypt_cpumask_change_notify(struct notifier_block *self, cpumask_copy(new_mask->mask, cpumask->cbcpu); rcu_assign_pointer(pcrypt->cb_cpumask, new_mask); - synchronize_rcu_bh(); + synchronize_rcu(); free_cpumask_var(old_mask->mask); kfree(old_mask); -- 2.17.1