For kexec reboot the bgrt image address could contains random data because we have freed boot service areas in 1st kernel boot phase. One possible result is kmalloc fail in efi_bgrt_init due to large random image size. So change efi_late_init to avoid efi_bgrt_init in case kexec boot. Signed-off-by: Dave Young <dyoung@xxxxxxxxxx> --- arch/x86/platform/efi/efi.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- linux-x86.orig/arch/x86/platform/efi/efi.c +++ linux-x86/arch/x86/platform/efi/efi.c @@ -531,7 +531,8 @@ void __init efi_init(void) void __init efi_late_init(void) { - efi_bgrt_init(); + if (!efi_setup) + efi_bgrt_init(); } void __init efi_set_executable(efi_memory_desc_t *md, bool executable) -- To unsubscribe from this list: send the line "unsubscribe linux-efi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html