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From: madhuparnabhowmik10@gmail.com
To: oleg@redhat.com, christian.brauner@ubuntu.com, mingo@kernel.org
Cc: linux-kernel@vger.kernel.org, paulmck@kernel.org,
	joel@joelfernandes.org, frextrite@gmail.com, rcu@vger.kernel.org,
	linux-kernel-mentees@lists.linuxfoundation.org,
	Madhuparna Bhowmik <madhuparnabhowmik10@gmail.com>
Subject: [PATCH] fork.c: Use RCU_INIT_POINTER() instead of rcu_access_pointer()
Date: Mon, 27 Jan 2020 23:28:21 +0530	[thread overview]
Message-ID: <20200127175821.10833-1-madhuparnabhowmik10@gmail.com> (raw)

From: Madhuparna Bhowmik <madhuparnabhowmik10@gmail.com>

Use RCU_INIT_POINTER() instead of rcu_access_pointer() in
copy_sighand().

Suggested-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Madhuparna Bhowmik <madhuparnabhowmik10@gmail.com>
---
 kernel/fork.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/fork.c b/kernel/fork.c
index 2508a4f238a3..42b71d4a50cb 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1508,7 +1508,7 @@ static int copy_sighand(unsigned long clone_flags, struct task_struct *tsk)
 		return 0;
 	}
 	sig = kmem_cache_alloc(sighand_cachep, GFP_KERNEL);
-	rcu_assign_pointer(tsk->sighand, sig);
+	RCU_INIT_POINTER(tsk->sighand, sig);
 	if (!sig)
 		return -ENOMEM;
 
-- 
2.17.1


WARNING: multiple messages have this Message-ID (diff)
From: madhuparnabhowmik10@gmail.com
To: oleg@redhat.com, christian.brauner@ubuntu.com, mingo@kernel.org
Cc: paulmck@kernel.org, linux-kernel@vger.kernel.org,
	rcu@vger.kernel.org,
	Madhuparna Bhowmik <madhuparnabhowmik10@gmail.com>,
	joel@joelfernandes.org,
	linux-kernel-mentees@lists.linuxfoundation.org
Subject: [Linux-kernel-mentees] [PATCH] fork.c: Use RCU_INIT_POINTER() instead of rcu_access_pointer()
Date: Mon, 27 Jan 2020 23:28:21 +0530	[thread overview]
Message-ID: <20200127175821.10833-1-madhuparnabhowmik10@gmail.com> (raw)

From: Madhuparna Bhowmik <madhuparnabhowmik10@gmail.com>

Use RCU_INIT_POINTER() instead of rcu_access_pointer() in
copy_sighand().

Suggested-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Madhuparna Bhowmik <madhuparnabhowmik10@gmail.com>
---
 kernel/fork.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/fork.c b/kernel/fork.c
index 2508a4f238a3..42b71d4a50cb 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1508,7 +1508,7 @@ static int copy_sighand(unsigned long clone_flags, struct task_struct *tsk)
 		return 0;
 	}
 	sig = kmem_cache_alloc(sighand_cachep, GFP_KERNEL);
-	rcu_assign_pointer(tsk->sighand, sig);
+	RCU_INIT_POINTER(tsk->sighand, sig);
 	if (!sig)
 		return -ENOMEM;
 
-- 
2.17.1

_______________________________________________
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Linux-kernel-mentees@lists.linuxfoundation.org
https://lists.linuxfoundation.org/mailman/listinfo/linux-kernel-mentees

             reply	other threads:[~2020-01-27 17:58 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-27 17:58 madhuparnabhowmik10 [this message]
2020-01-27 17:58 ` [Linux-kernel-mentees] [PATCH] fork.c: Use RCU_INIT_POINTER() instead of rcu_access_pointer() madhuparnabhowmik10
2020-01-28  9:04 ` Christian Brauner
2020-01-28  9:04   ` [Linux-kernel-mentees] " Christian Brauner
2020-01-28 14:59 ` Oleg Nesterov
2020-01-28 14:59   ` [Linux-kernel-mentees] " Oleg Nesterov
2020-01-28 17:52 ` Christian Brauner
2020-01-28 17:52   ` [Linux-kernel-mentees] " Christian Brauner

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