x86/efi: Add a "debug" option to the efi= cmdline
... and hide the memory regions dump behind it. Make it default-off.
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: http://lkml.kernel.org/r/20141209095843.GA3990@pd.tnic
Acked-by: Laszlo Ersek <lersek@redhat.com>
Acked-by: Dave Young <dyoung@redhat.com>
Signed-off-by: Matt Fleming <matt.fleming@intel.com>
diff --git a/include/linux/efi.h b/include/linux/efi.h
index cf7e431..af5be03 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -942,6 +942,7 @@
#define EFI_64BIT 5 /* Is the firmware 64-bit? */
#define EFI_PARAVIRT 6 /* Access is via a paravirt interface */
#define EFI_ARCH_1 7 /* First arch-specific bit */
+#define EFI_DBG 8 /* Print additional debug info at runtime */
#ifdef CONFIG_EFI
/*