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From: Bart Van Assche <bvanassche@acm.org>
To: Ye Bin <yebin10@huawei.com>,
	jejb@linux.ibm.com, martin.petersen@oracle.com,
	linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATH v2] scsi: scsi_dh_rdac: Avoid crash during rdac_bus_attach
Date: Thu, 22 Jul 2021 21:04:18 -0700	[thread overview]
Message-ID: <a1113b04-e320-a12b-5a59-ec7479d5eec1@acm.org> (raw)
In-Reply-To: <20210113063103.2698953-1-yebin10@huawei.com>

On 1/12/21 10:31 PM, Ye Bin wrote:
>  	sdev->handler_data = NULL;
> +	synchronize_rcu();
>  	kfree(h);

What is the purpose of the new synchronize_rcu() call? If its purpose is
to wait until *h is no longer in use, please use kfree_rcu() instead.

Thanks,

Bart.

  parent reply	other threads:[~2021-07-23  4:04 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-13  6:31 Ye Bin
2021-07-22 13:09 ` yebin
2021-07-23  4:04 ` Bart Van Assche [this message]
2021-07-28 14:24   ` yebin
2021-07-28 21:55     ` Bart Van Assche
2021-07-29  3:37 ` Martin K. Petersen

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