doc: add novamap to efi kernel command line parameters
authorHeinrich Schuchardt <xypron.glpk@gmx.de>
Tue, 16 Jun 2020 10:40:12 +0000 (12:40 +0200)
committerJonathan Corbet <corbet@lwn.net>
Fri, 19 Jun 2020 19:15:35 +0000 (13:15 -0600)
Document the efi=novamap kernel command line parameter.
Put the efi parameters into alphabetic order.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Link: https://lore.kernel.org/r/20200616104012.4780-1-xypron.glpk@gmx.de
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Documentation/admin-guide/kernel-parameters.txt

index fb95fad81c79a065e728202a34a3dabac5653cb4..b5beb1fe78cf39798633e3f9a365b29d4233ec5c 100644 (file)
                        Format: {"off" | "on" | "skip[mbr]"}
 
        efi=            [EFI]
-                       Format: { "old_map", "nochunk", "noruntime", "debug",
-                                 "nosoftreserve", "disable_early_pci_dma",
-                                 "no_disable_early_pci_dma" }
-                       old_map [X86-64]: switch to the old ioremap-based EFI
-                       runtime services mapping. [Needs CONFIG_X86_UV=y]
+                       Format: { "debug", "disable_early_pci_dma",
+                                 "nochunk", "noruntime", "nosoftreserve",
+                                 "novamap", "no_disable_early_pci_dma",
+                                 "old_map" }
+                       debug: enable misc debug output.
+                       disable_early_pci_dma: disable the busmaster bit on all
+                       PCI bridges while in the EFI boot stub.
                        nochunk: disable reading files in "chunks" in the EFI
                        boot stub, as chunking can cause problems with some
                        firmware implementations.
                        noruntime : disable EFI runtime services support
-                       debug: enable misc debug output
                        nosoftreserve: The EFI_MEMORY_SP (Specific Purpose)
                        attribute may cause the kernel to reserve the
                        memory range for a memory mapping driver to
                        claim. Specify efi=nosoftreserve to disable this
                        reservation and treat the memory by its base type
                        (i.e. EFI_CONVENTIONAL_MEMORY / "System RAM").
-                       disable_early_pci_dma: Disable the busmaster bit on all
-                       PCI bridges while in the EFI boot stub
+                       novamap: do not call SetVirtualAddressMap().
                        no_disable_early_pci_dma: Leave the busmaster bit set
                        on all PCI bridges while in the EFI boot stub
+                       old_map [X86-64]: switch to the old ioremap-based EFI
+                       runtime services mapping. [Needs CONFIG_X86_UV=y]
 
        efi_no_storage_paranoia [EFI; X86]
                        Using this parameter you can use more than 50% of