linux-kernel - Re: [PATCH] xen/privcmd: make option visible in Kconfig

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <aa39e0f1-77cb-48f9-ae52-2bdbc19fa702@t-8ch.de>
Date:   Tue, 16 Nov 2021 15:59:11 +0100
From:   Thomas Weißschuh <linux@...ssschuh.net>
To:     Juergen Gross <jgross@...e.com>
Cc:     xen-devel@...ts.xenproject.org, linux-kernel@...r.kernel.org,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        Stefano Stabellini <sstabellini@...nel.org>
Subject: Re: [PATCH] xen/privcmd: make option visible in Kconfig

Thanks!

On 2021-11-16 15:33+0100, Juergen Gross wrote:
> This configuration option provides a misc device as an API to userspace.
> Make this API usable without having to select the module as a transitive
> dependency.
> 
> This also fixes an issue where localyesconfig would select
> CONFIG_XEN_PRIVCMD=m because it was not visible and defaulted to
> building as module.
> 
> Based-on-patch-by: Thomas Weißschuh <linux@...ssschuh.net>
> Signed-off-by: Juergen Gross <jgross@...e.com>
> ---
>  drivers/xen/Kconfig | 7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/xen/Kconfig b/drivers/xen/Kconfig
> index a1b11c62da9e..a2e91d3ca372 100644
> --- a/drivers/xen/Kconfig
> +++ b/drivers/xen/Kconfig
> @@ -259,9 +259,14 @@ config XEN_SCSI_BACKEND
>  	  if guests need generic access to SCSI devices.
>  
>  config XEN_PRIVCMD
> -	tristate
> +	tristate "Xen hypercall passthrough driver"
>  	depends on XEN
>  	default m
> +	help
> +	  The hypercall passthrough driver allows user land programs to perform
> +	  Xen hypercalls. This driver is normally required for systems running
> +	  as Dom0 to perform privileged operations, but in some disaggregated
> +	  Xen setups this driver might be needed for other domains, too.
>  
>  config XEN_ACPI_PROCESSOR
>  	tristate "Xen ACPI processor"
> -- 
> 2.26.2

Reviewed-by: Thomas Weißschuh <linux@...ssschuh.net>