* [PATCH 1/1] doc: add novamap to efi kernel command line parameters
@ 2020-06-16 10:40 Heinrich Schuchardt
2020-06-19 19:15 ` Jonathan Corbet
0 siblings, 1 reply; 2+ messages in thread
From: Heinrich Schuchardt @ 2020-06-16 10:40 UTC (permalink / raw)
To: Jonathan Corbet
Cc: Ard Biesheuvel, Thomas Gleixner, Andrew Morton,
Greg Kroah-Hartman, Paul E . McKenney, Pawan Gupta,
Juergen Gross, Mike Kravetz, linux-doc, linux-kernel,
Heinrich Schuchardt
Document the efi=novamap kernel command line parameter.
Put the efi parameters into alphabetic order.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
---
.../admin-guide/kernel-parameters.txt | 18 ++++++++++--------
1 file changed, 10 insertions(+), 8 deletions(-)
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index fb95fad81c79..b5beb1fe78cf 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -1207,26 +1207,28 @@
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
--
2.27.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH 1/1] doc: add novamap to efi kernel command line parameters
2020-06-16 10:40 [PATCH 1/1] doc: add novamap to efi kernel command line parameters Heinrich Schuchardt
@ 2020-06-19 19:15 ` Jonathan Corbet
0 siblings, 0 replies; 2+ messages in thread
From: Jonathan Corbet @ 2020-06-19 19:15 UTC (permalink / raw)
To: Heinrich Schuchardt
Cc: Ard Biesheuvel, Thomas Gleixner, Andrew Morton,
Greg Kroah-Hartman, Paul E . McKenney, Pawan Gupta,
Juergen Gross, Mike Kravetz, linux-doc, linux-kernel
On Tue, 16 Jun 2020 12:40:12 +0200
Heinrich Schuchardt <xypron.glpk@gmx.de> wrote:
> Document the efi=novamap kernel command line parameter.
> Put the efi parameters into alphabetic order.
>
> Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
> ---
> .../admin-guide/kernel-parameters.txt | 18 ++++++++++--------
> 1 file changed, 10 insertions(+), 8 deletions(-)
Applied, thanks.
jon
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