xen: make sure the kernel command line is right

Point the boot params cmd_line_ptr to the domain-builder-provided
command line.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Cc: Stephen Tweedie <sct@redhat.com>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Cc: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 3b6b7fcf5b5534a8ebaf1b293b01f9f05a1a8a03..0172ba77452339afd245c0488690cda23d7d1c00 100644 (file)
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -1587,6 +1587,7 @@ asmlinkage void __init xen_start_kernel(void)
        boot_params.hdr.ramdisk_image = xen_start_info->mod_start
                ? __pa(xen_start_info->mod_start) : 0;
        boot_params.hdr.ramdisk_size = xen_start_info->mod_len;
+       boot_params.hdr.cmd_line_ptr = __pa(xen_start_info->cmd_line);
 
        if (!is_initial_xendomain()) {
                add_preferred_console("xenboot", 0, NULL);