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-rw-r--r--Documentation/kernel-parameters.txt5
1 files changed, 4 insertions, 1 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 5ae8608ca9f5..67d79597d9d6 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -992,10 +992,13 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
Format: {"off" | "on" | "skip[mbr]"}
efi= [EFI]
- Format: { "old_map" }
+ Format: { "old_map", "nochunk" }
old_map [X86-64]: switch to the old ioremap-based EFI
runtime services mapping. 32-bit still uses this one by
default.
+ nochunk: disable reading files in "chunks" in the EFI
+ boot stub, as chunking can cause problems with some
+ firmware implementations.
efi_no_storage_paranoia [EFI; X86]
Using this parameter you can use more than 50% of