| Date | Fri, 11 Oct 2013 11:53:07 +0100 | From | David Vrabel <> | Subject | Re: [PATCH 092/100] xen/hvc: allow xenboot console to be used again |
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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@citrix.com> > > 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@citrix.com> > Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> > Cc: Jiri Slaby <jslaby@suse.cz> > Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> > Signed-off-by: Luis Henriques <luis.henriques@canonical.com> > --- > 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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