发件人: Paul E. McKenney
发送时间: 2020年12月31日 0:19
收件人: Zhang, Qiang
抄送: a...@linux-foundation.org; manf...@colorfullife.com; gustavo...@kernel.org;
linux-kernel@vger.kernel.org
主题: Re: [PATCH] ipc/sem.c: Convert kfree_rcu() to call_rcu() in freeary function
On Wed, Dec 30, 2020 at 08:00:38PM +0800, qiang.zh...@windriver.com wrote:
> From: Zqiang
>
> Due to freeary function is called with spinlock be held,
> the synchronize_rcu function may be called in kfree_rcu
> function, the schedule may be happen in spinlock critical
> region, need to replace
From: Zqiang
Due to freeary function is called with spinlock be held,
the synchronize_rcu function may be called in kfree_rcu
function, the schedule may be happen in spinlock critical
region, need to replace kfree_rcu() with call_rcu().
Fixes: 693a8b6eecce ("ipc,rcu: Convert call_rcu(free_un)
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