From: Miaohe Lin <linmiaohe@huawei.com>
To: Jason Gunthorpe <jgg@ziepe.ca>
Cc: <akpm@linux-foundation.org>, <linux-mm@kvack.org>,
<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] mm/mmu_notifiers: use helper function mmu_notifier_synchronize()
Date: Fri, 18 Feb 2022 09:49:33 +0800 [thread overview]
Message-ID: <4c7074b4-5d84-d690-d14a-18c06eacc7a0@huawei.com> (raw)
In-Reply-To: <20220217155012.GC1037534@ziepe.ca>
On 2022/2/17 23:50, Jason Gunthorpe wrote:
> On Thu, Feb 17, 2022 at 07:09:48PM +0800, Miaohe Lin wrote:
>> Use helper function mmu_notifier_synchronize() to ensure all mmu_notifiers
>> are freed. Minor readability improvement.
>>
>> Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
>> ---
>> mm/mmu_notifier.c | 12 ++++++------
>> 1 file changed, 6 insertions(+), 6 deletions(-)
>
> I'm not keen on this, the internal synchronize_srcu's don't have the
> same usage model as described in the comment for
> mmu_notifier_synchronize(). Instead they are doing what their comments
> say.
>
> Yes, it is the same code, but the purpose is different.
>
Yep, this is my overlook. Many thanks for reply.
> Jason
> .
>
prev parent reply other threads:[~2022-02-18 1:49 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-17 11:09 Miaohe Lin
2022-02-17 13:32 ` Matthew Wilcox
2022-02-17 13:44 ` Miaohe Lin
2022-02-17 15:50 ` Jason Gunthorpe
2022-02-18 1:49 ` Miaohe Lin [this message]
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