Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
From:   Julia Lawall <Julia.Lawall@inria.fr>
To:     Jonas Bonn <jonas@southpole.se>
Cc:     kernel-janitors@vger.kernel.org,
        Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>,
        Stafford Horne <shorne@gmail.com>,
        openrisc@lists.librecores.org, linux-kernel@vger.kernel.org
Subject: [PATCH 4/4] openrisc: use mmgrab
Date:   Sun, 29 Dec 2019 16:42:58 +0100
Message-Id: <1577634178-22530-5-git-send-email-Julia.Lawall@inria.fr>
In-Reply-To: <1577634178-22530-1-git-send-email-Julia.Lawall@inria.fr>
References: <1577634178-22530-1-git-send-email-Julia.Lawall@inria.fr>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

Mmgrab was introduced in commit f1f1007644ff ("mm: add new mmgrab()
helper") and most of the kernel was updated to use it. Update a
remaining file.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

<smpl>
@@ expression e; @@
- atomic_inc(&e->mm_count);
+ mmgrab(e);
</smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>

---
I was not able to compile this file.

 arch/openrisc/kernel/smp.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/openrisc/kernel/smp.c b/arch/openrisc/kernel/smp.c
index 7d518ee8bddc..7bd6e0fc7a6d 100644
--- a/arch/openrisc/kernel/smp.c
+++ b/arch/openrisc/kernel/smp.c
@@ -113,7 +113,7 @@ asmlinkage __init void secondary_start_kernel(void)
 	 * All kernel threads share the same mm context; grab a
 	 * reference and switch to it.
 	 */
-	atomic_inc(&mm->mm_count);
+	mmgrab(mm);
 	current->active_mm = mm;
 	cpumask_set_cpu(cpu, mm_cpumask(mm));