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-rw-r--r--Documentation/kernel-parameters.txt7
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index af9bf4903bb8..772a4882e477 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -2237,6 +2237,8 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
spec_store_bypass_disable=off [X86]
mds=off [X86]
tsx_async_abort=off [X86]
+ no_entry_flush [PPC]
+ no_uaccess_flush [PPC]
auto (default)
Mitigate all CPU vulnerabilities, but leave SMT
@@ -2517,6 +2519,8 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
noefi Disable EFI runtime services support.
+ no_entry_flush [PPC] Don't flush the L1-D cache when entering the kernel.
+
noexec [IA-64]
noexec [X86]
@@ -2578,6 +2582,9 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
nospec_store_bypass_disable
[HW] Disable all mitigations for the Speculative Store Bypass vulnerability
+ no_uaccess_flush
+ [PPC] Don't flush the L1-D cache after accessing user data.
+
noxsave [BUGS=X86] Disables x86 extended register state save
and restore using xsave. The kernel will fallback to
enabling legacy floating-point and sse state.