We need to use hypercall to detect the xen efi enabled or not. If xen efi enable is set,replace the efi public function to xen efi public function and set efi_enabled to 1 in the function efi_probe; Signed-off-by: Tang Liang <liang.tang@xxxxxxxxxx> Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> --- arch/x86/xen/enlighten.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index 12eb07b..92982c1 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -31,6 +31,7 @@ #include <linux/pci.h> #include <linux/gfp.h> #include <linux/memblock.h> +#include <linux/efi.h> #include <xen/xen.h> #include <xen/interface/xen.h> @@ -1282,6 +1283,8 @@ asmlinkage void __init xen_start_kernel(void) xen_setup_runstate_info(0); + if (xen_initial_domain()) + xen_efi_probe(); /* Start the world */ #ifdef CONFIG_X86_32 i386_start_kernel(); -- 1.7.7.5 -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html