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Re: [PATCH v2] tools: use libxenlight for writing xenstore-stubdom console nodes
- To: Juergen Gross <jgross@xxxxxxxx>
- From: Anthony PERARD <anthony.perard@xxxxxxxxxx>
- Date: Wed, 22 Mar 2023 17:10:11 +0000
- Authentication-results: esa6.hc3370-68.iphmx.com; dkim=none (message not signed) header.i=none
- Cc: <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Wei Liu <wl@xxxxxxx>
- Delivery-date: Wed, 22 Mar 2023 17:10:38 +0000
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- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On Wed, Mar 22, 2023 at 08:29:39AM +0100, Juergen Gross wrote:
> Instead of duplicating libxl__device_console_add() work in
> init-xenstore-domain.c, just use libxenlight.
>
> This requires to add a small wrapper function to libxenlight, as
> libxl__device_console_add() is an internal function.
>
> This at once removes a theoretical race between starting xenconsoled
> and xenstore-stubdom, as the old code wasn't using a single
> transaction for writing all the entries, leading to the possibility
> that xenconsoled would see only some of the entries being written.
>
> Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
Reviewed-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>
Thanks,
--
Anthony PERARD
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