On 11/10/13 11:42, Luis Henriques wrote:
> 3.5.7.23 -stable review patch. If anyone has any objections, please let me know.
It's harmless to backport this, but it is only needed in 3.10 and later
(unless you've backported d0380e6c).
> From: David Vrabel <david.vrabel@xxxxxxxxxx>
>
> commit a9fbf4d591da6cd1d3eaab826c7c15f77fc8f6a3 upstream.
>
> Commit d0380e6c3c0f6edb986d8798a23acfaf33d5df23 (early_printk:
> consolidate random copies of identical code) added in 3.10 introduced
> a check for con->index == -1 in early_console_register().
>
> Initialize index to -1 for the xenboot console so earlyprintk=xen
> works again.
>
> Signed-off-by: David Vrabel <david.vrabel@xxxxxxxxxx>
> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> Cc: Jiri Slaby <jslaby@xxxxxxx>
> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Luis Henriques <luis.henriques@xxxxxxxxxxxxx>
> ---
> drivers/tty/hvc/hvc_xen.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/tty/hvc/hvc_xen.c b/drivers/tty/hvc/hvc_xen.c
> index 944eaeb..78873df 100644
> --- a/drivers/tty/hvc/hvc_xen.c
> +++ b/drivers/tty/hvc/hvc_xen.c
> @@ -634,6 +634,7 @@ struct console xenboot_console = {
> .name = "xenboot",
> .write = xenboot_write_console,
> .flags = CON_PRINTBUFFER | CON_BOOT | CON_ANYTIME,
> + .index = -1,
> };
> #endif /* CONFIG_EARLY_PRINTK */
>
David
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