On Fri, 6 Jun 2025, dm...@proton.me wrote:
> From: Denis Mukhin <dmuk...@ford.com>
>
> Add CONSOLE_PREFIX symbol to keep the prefix of the hypervisor's diagnostic
> messages.
>
> No functional change.
>
> Signed-off-by: Denis Mukhin <dmuk...@ford.com>
Reviewed-by: Stefano Stabellini <sstabell...@kernel.org>
> ---
> Changes since v2:
> - n/a
> ---
> xen/drivers/char/console.c | 7 +++++--
> 1 file changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/xen/drivers/char/console.c b/xen/drivers/char/console.c
> index e3731bf174..6e77b4af82 100644
> --- a/xen/drivers/char/console.c
> +++ b/xen/drivers/char/console.c
> @@ -61,6 +61,9 @@ enum {
> CONSOLE_ALL = CONSOLE_DEFAULT | CONSOLE_RING,
> };
>
> +/* Prefix for hypervisor's diagnostic console messages. */
> +#define CONSOLE_PREFIX "(XEN) "
> +
> static void console_send(const char *str, size_t len, unsigned int flags);
>
> /* console: comma-separated list of console outputs. */
> @@ -1017,7 +1020,7 @@ static void vprintk_common(const char *fmt, va_list
> args, const char *prefix)
>
> void vprintk(const char *fmt, va_list args)
> {
> - vprintk_common(fmt, args, "(XEN) ");
> + vprintk_common(fmt, args, CONSOLE_PREFIX);
> }
>
> void printk(const char *fmt, ...)
> @@ -1288,7 +1291,7 @@ int __printk_ratelimit(int ratelimit_ms, int
> ratelimit_burst)
> snprintf(lost_str, sizeof(lost_str), "%d", lost);
> /* console_lock may already be acquired by printk(). */
> rspin_lock(&console_lock);
> - printk_start_of_line("(XEN) ");
> + printk_start_of_line(CONSOLE_PREFIX);
> __putstr("printk: ");
> __putstr(lost_str);
> __putstr(" messages suppressed.\n");
> --
> 2.34.1
>
>
