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SubjectRe: [PATCH] kernel/printk: do not turn off bootconsole in printk_late_init if keep_bootcon
On 8/10/2011 2:02 AM, Nishanth Aravamudan wrote:
> It seems that commit 7bf693951a8e5f7e600a45b74d91d962a453146e doesn't
> always achieve what it aims, as printk_late_init() runs it
> unconditionally turns off all boot consoles. With this patch, I am able
> to see more messages on the boot console in KVM guests than I can
> without, when keep_bootcon is specified.
>
> Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
> Cc: David S. Miller <davem@davemloft.net>
> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
> Cc: Greg KH <gregkh@suse.de>
> ---
> kernel/printk.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/kernel/printk.c b/kernel/printk.c
> index 37dff34..293a6cc 100644
> --- a/kernel/printk.c
> +++ b/kernel/printk.c
> @@ -1602,7 +1602,7 @@ static int __init printk_late_init(void)
> struct console *con;
>
> for_each_console(con) {
> - if (con->flags & CON_BOOT) {
> + if (!keep_bootcon && con->flags & CON_BOOT) {
> printk(KERN_INFO "turn off boot console %s%d\n",
> con->name, con->index);
> unregister_console(con);

Patch looks ok to me, just send it through the right channels for inclusion.

Fabio


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