From: Wei Liu <wei.liu@kernel.org>
To: Roger Pau Monne <roger.pau@citrix.com>
Cc: xen-devel@lists.xenproject.org, Wei Liu <wl@xen.org>,
Anthony PERARD <anthony.perard@citrix.com>,
Juergen Gross <jgross@suse.com>,
James Dingwall <james-xen@dingwall.me.uk>,
Wei Liu <wei.liu@kernel.org>, Paul Durrant <paul@xen.org>
Subject: Re: [PATCH] libxl: force netback to wait for hotplug execution before connecting
Date: Tue, 25 Jan 2022 19:59:15 +0000 [thread overview]
Message-ID: <20220125195915.5hmkgmo6fl7ogvyg@liuwe-devbox-debian-v2> (raw)
In-Reply-To: <20220124160248.37861-1-roger.pau@citrix.com>
On Mon, Jan 24, 2022 at 05:02:48PM +0100, Roger Pau Monne wrote:
> By writing an empty "hotplug-status" xenstore node in the backend path
> libxl can force Linux netback to wait for hotplug script execution
> before proceeding to the 'connected' state.
>
> This is required so that netback doesn't skip state 2 (InitWait) and
> thus blocks libxl waiting for such state in order to launch the
> hotplug script (see libxl__wait_device_connection).
>
> Reported-by: James Dingwall <james-xen@dingwall.me.uk>
> Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
> Tested-by: James Dingwall <james-xen@dingwall.me.uk>
Reviewed-by: Wei Liu <wei.liu@kernel.org>
prev parent reply other threads:[~2022-01-25 19:59 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-24 16:02 [PATCH] libxl: force netback to wait for hotplug execution before connecting Roger Pau Monne
2022-01-25 14:02 ` Durrant, Paul
2022-01-25 15:32 ` Julien Grall
2022-01-25 16:09 ` Roger Pau Monné
2022-01-25 18:10 ` Julien Grall
2022-01-25 19:59 ` Wei Liu [this message]
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