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Subject[PATCH RFC 5/5] Docs: document notemppt option
Date
This option allows to disable building temporary page tables when
booting via efistub with CONFIG_EFI_STRICT_PGTABLE enabled.

Signed-off-by: Baskov Evgeniy <baskov@ispras.ru>
---
Documentation/admin-guide/kernel-parameters.txt | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 43dc35fe5bc0..0c4ed43cd13c 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -1294,7 +1294,8 @@
efi= [EFI]
Format: { "debug", "disable_early_pci_dma",
"nochunk", "noruntime", "nosoftreserve",
- "novamap", "no_disable_early_pci_dma" }
+ "novamap", "no_disable_early_pci_dma",
+ "notemppt" }
debug: enable misc debug output.
disable_early_pci_dma: disable the busmaster bit on all
PCI bridges while in the EFI boot stub.
@@ -1311,6 +1312,10 @@
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
+ notemppt: disable temporary page table creation in EFISTUB
+ for CONFIG_EFI_STRICT_PGTABLE on x86_64. Can very slightly
+ increase boot speed. Page copying is not required by most
+ EFI implementations.

efi_no_storage_paranoia [EFI; X86]
Using this parameter you can use more than 50% of
--
2.33.1
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