From:   "Joel Fernandes (Google)" <joel@joelfernandes.org>
To:     Bryan Tan <bryantan@vmware.com>, Vishnu Dasa <vdasa@vmware.com>,
        VMware PV-Drivers Reviewers <pv-drivers@vmware.com>,
        Arnd Bergmann <arnd@arndb.de>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc:     "Uladzislau Rezki (Sony)" <urezki@gmail.com>,
        "Paul E . McKenney" <paulmck@kernel.org>,
        Joel Fernandes <joel@joelfernandes.org>,
        linux-kernel@vger.kernel.org
Subject: [PATCH v2 02/14] misc: vmw_vmci: Rename kvfree_rcu() to kvfree_rcu_mightsleep()
Date:   Wed, 15 Mar 2023 18:18:49 +0000
Message-Id: <20230315181902.4177819-2-joel@joelfernandes.org>
In-Reply-To: <20230315181902.4177819-1-joel@joelfernandes.org>
References: <20230315181902.4177819-1-joel@joelfernandes.org>
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From: "Uladzislau Rezki (Sony)" <urezki@gmail.com>

The kvfree_rcu() macro's single-argument form is deprecated.  Therefore
switch to the new kvfree_rcu_mightsleep() variant. The goal is to
avoid accidental use of the single-argument forms, which can introduce
functionality bugs in atomic contexts and latency bugs in non-atomic
contexts.

Cc: Bryan Tan <bryantan@vmware.com>
Cc: Vishnu Dasa <vdasa@vmware.com>
Reviewed-by: Vishnu Dasa <vdasa@vmware.com>
Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org>
---
 drivers/misc/vmw_vmci/vmci_context.c | 2 +-
 drivers/misc/vmw_vmci/vmci_event.c   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/misc/vmw_vmci/vmci_context.c b/drivers/misc/vmw_vmci/vmci_context.c
index 172696abce31..f22b44827e92 100644
--- a/drivers/misc/vmw_vmci/vmci_context.c
+++ b/drivers/misc/vmw_vmci/vmci_context.c
@@ -687,7 +687,7 @@ int vmci_ctx_remove_notification(u32 context_id, u32 remote_cid)
 	spin_unlock(&context->lock);
 
 	if (notifier)
-		kvfree_rcu(notifier);
+		kvfree_rcu_mightsleep(notifier);
 
 	vmci_ctx_put(context);
 
diff --git a/drivers/misc/vmw_vmci/vmci_event.c b/drivers/misc/vmw_vmci/vmci_event.c
index 2100297c94ad..5d7ac07623c2 100644
--- a/drivers/misc/vmw_vmci/vmci_event.c
+++ b/drivers/misc/vmw_vmci/vmci_event.c
@@ -209,7 +209,7 @@ int vmci_event_unsubscribe(u32 sub_id)
 	if (!s)
 		return VMCI_ERROR_NOT_FOUND;
 
-	kvfree_rcu(s);
+	kvfree_rcu_mightsleep(s);
 
 	return VMCI_SUCCESS;
 }
-- 
2.40.0.rc1.284.g88254d51c5-goog