]> git.karo-electronics.de Git - karo-tx-linux.git/blobdiff - Documentation/kernel-parameters.txt
Merge branch 'x86-efi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
[karo-tx-linux.git] / Documentation / kernel-parameters.txt
index 203f4a9d9efe9ae1b2384c6d040cfd3d6f93a603..0fbde71a1297a85c7432f4733e97476d43a31484 100644 (file)
@@ -847,6 +847,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 
        earlyprintk=    [X86,SH,BLACKFIN,ARM]
                        earlyprintk=vga
+                       earlyprintk=efi
                        earlyprintk=xen
                        earlyprintk=serial[,ttySn[,baudrate]]
                        earlyprintk=serial[,0x...[,baudrate]]
@@ -860,7 +861,8 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        Append ",keep" to not disable it when the real console
                        takes over.
 
-                       Only vga or serial or usb debug port at a time.
+                       Only one of vga, efi, serial, or usb debug port can
+                       be used at a time.
 
                        Currently only ttyS0 and ttyS1 may be specified by
                        name.  Other I/O ports may be explicitly specified
@@ -874,8 +876,8 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        Interaction with the standard serial driver is not
                        very good.
 
-                       The VGA output is eventually overwritten by the real
-                       console.
+                       The VGA and EFI output is eventually overwritten by
+                       the real console.
 
                        The xen output can only be used by Xen PV guests.