linux-kernel - Re: [PATCH] xen-netfront: wait xenbus state change when load module manually

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Message-Id: <20180730.094105.276965999059841658.davem@davemloft.net>
Date:   Mon, 30 Jul 2018 09:41:05 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     xiliang@...hat.com
Cc:     netdev@...r.kernel.org, xen-devel@...ts.xenproject.org,
        jgross@...e.com, boris.ostrovsky@...cle.com,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] xen-netfront: wait xenbus state change when load
 module manually

From: Xiao Liang <xiliang@...hat.com>
Date: Fri, 27 Jul 2018 17:56:08 +0800

> When loading module manually, after call xenbus_switch_state to initializes
> the state of the netfront device, the driver state did not change so fast
> that may lead no dev created in latest kernel. This patch adds wait to make
> sure xenbus knows the driver is not in closed/unknown state.
 ...
> Signed-off-by: Xiao Liang <xiliang@...hat.com>

Applied and queued up for -stable, thanks.