[Xen-devel] [PATCH v4 02/14] x86/xen: use X86_SUBARCH_XEN for PV guest boots

["Luis R. Rodriguez" <mcgrof@xxxxxxxxxx>]

The use of subarch should have no current effect on Xen
PV guests, as such this should have no current functional
effects.

Signed-off-by: Luis R. Rodriguez <mcgrof@xxxxxxxxxx>
---
 arch/x86/xen/enlighten.c | 1 +
 1 file changed, 1 insertion(+)

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);
-- 
2.7.2


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