Messages in this thread Patch in this message | | | From | Baskov Evgeniy <> | Subject | [PATCH RFC 5/5] Docs: document notemppt option | Date | Wed, 10 Nov 2021 13:46:13 +0300 |
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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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