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[v6,02/16] x86/xen: use X86_SUBARCH_XEN for PV guest boots

Message ID 1460592286-300-3-git-send-email-mcgrof@kernel.org (mailing list archive)
State New, archived
Headers show

Commit Message

Luis Chamberlain April 14, 2016, 12:04 a.m. UTC 
The use of subarch should have no current effect on Xen
PV guests, as such this should have no current functional
effects.

Reviewed-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: Luis R. Rodriguez <mcgrof@kernel.org>
---
 arch/x86/xen/enlighten.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 9b8f1eacc110..40487f1ecb4c 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -1661,6 +1661,7 @@  asmlinkage __visible void __init xen_start_kernel(void)
 	boot_params.hdr.ramdisk_image = initrd_start;
 	boot_params.hdr.ramdisk_size = xen_start_info->mod_len;
 	boot_params.hdr.cmd_line_ptr = __pa(xen_start_info->cmd_line);
+	boot_params.hdr.hardware_subarch = X86_SUBARCH_XEN;
 
 	if (!xen_initial_domain()) {
 		add_preferred_console("xenboot", 0, NULL);