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Re: [PATCH v2 21/35] xen/console: introduce console_init_owner()
- To: dmukhin@xxxxxxxx
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Wed, 11 Dec 2024 08:31:57 +0100
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- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Wed, 11 Dec 2024 07:32:06 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 06.12.2024 05:41, Denis Mukhin via B4 Relay wrote:
> --- a/xen/drivers/char/console.c
> +++ b/xen/drivers/char/console.c
> @@ -554,6 +554,22 @@ static void console_find_owner(void)
> console_set_owner(DOMID_XEN);
> }
>
> +static void console_init_owner(void)
> +{
> + domid_t domid;
> +
> + /*
> + * If user specifies so, we fool the switch routine to redirect input
> + * straight back to Xen.
> + */
> + if ( opt_conswitch[1] == 'x' )
> + domid = DOMID_XEN;
> + else
> + domid = get_initial_domain_id();
> +
> + console_set_owner(domid);
> +}
Is this function meant to gain a 2nd user? If not, what exactly is the goal
of introducing this new function?
If the function's addition is warranted, it wants to be __init, matching ...
> @@ -1160,8 +1168,7 @@ void __init console_endboot(void)
> register_irq_keyhandler('G', &do_toggle_guest,
> "toggle host/guest log level adjustment", 0);
>
> - /* Serial input is directed to DOM0 by default. */
> - console_find_owner();
> + console_init_owner();
> }
... sole caller.
Jan
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