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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 03:43:31 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-08 03:43:31 +0000
commit1327913aeadf5737e7ebf158f93632d6df2eba1d (patch)
tree2ca5c2a3aa381788eca2580f72a2d5c60934b28a /Documentation/admin-guide/kernel-parameters.txt
parentAdding upstream version 4.19.260. (diff)
downloadlinux-1327913aeadf5737e7ebf158f93632d6df2eba1d.tar.xz
linux-1327913aeadf5737e7ebf158f93632d6df2eba1d.zip
Adding upstream version 4.19.269.upstream/4.19.269
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/admin-guide/kernel-parameters.txt')
-rw-r--r--Documentation/admin-guide/kernel-parameters.txt13
1 files changed, 13 insertions, 0 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 500032af0..68f31b666 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -4132,6 +4132,18 @@
retain_initrd [RAM] Keep initrd memory after extraction
+ retbleed= [X86] Control mitigation of RETBleed (Arbitrary
+ Speculative Code Execution with Return Instructions)
+ vulnerability.
+
+ off - unconditionally disable
+ auto - automatically select a migitation
+
+ Selecting 'auto' will choose a mitigation method at run
+ time according to the CPU.
+
+ Not specifying this option is equivalent to retbleed=auto.
+
rfkill.default_state=
0 "airplane mode". All wifi, bluetooth, wimax, gps, fm,
etc. communication is blocked by default.
@@ -4377,6 +4389,7 @@
eibrs - enhanced IBRS
eibrs,retpoline - enhanced IBRS + Retpolines
eibrs,lfence - enhanced IBRS + LFENCE
+ ibrs - use IBRS to protect kernel
Not specifying this option is equivalent to
spectre_v2=auto.