linux-kernel - Re: [PATCH v2 2/4] xen: Export dbgp functions when CONFIG_XEN

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: <236c31fe-2373-be23-bed4-48012a6a9765@gmail.com>
Date:   Fri, 14 May 2021 08:06:36 -0600
From:   Connor Davis <connojdavis@...il.com>
To:     Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        Juergen Gross <jgross@...e.com>,
        Stefano Stabellini <sstabellini@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     xen-devel@...ts.xenproject.org, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org
Subject: Re: [PATCH v2 2/4] xen: Export dbgp functions when CONFIG_XEN_DOM0 is
 enabled

Adding Greg and linux-usb

On 5/13/21 6:56 PM, Connor Davis wrote:
> Export xen_dbgp_reset_prep and xen_dbgp_external_startup
> when CONFIG_XEN_DOM0 is defined. This allows use of these symbols
> even if CONFIG_EARLY_PRINK_DBGP is defined.
>
> Signed-off-by: Connor Davis <connojdavis@...il.com>
> Acked-by: Juergen Gross <jgross@...e.com>
> ---
>   drivers/xen/dbgp.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/xen/dbgp.c b/drivers/xen/dbgp.c
> index cfb5de31d860..fef32dd1a5dc 100644
> --- a/drivers/xen/dbgp.c
> +++ b/drivers/xen/dbgp.c
> @@ -44,7 +44,7 @@ int xen_dbgp_external_startup(struct usb_hcd *hcd)
>   	return xen_dbgp_op(hcd, PHYSDEVOP_DBGP_RESET_DONE);
>   }
>   
> -#ifndef CONFIG_EARLY_PRINTK_DBGP
> +#if defined(CONFIG_XEN_DOM0) || !defined(CONFIG_EARLY_PRINTK_DBGP)
>   #include <linux/export.h>
>   EXPORT_SYMBOL_GPL(xen_dbgp_reset_prep);
>   EXPORT_SYMBOL_GPL(xen_dbgp_external_startup);