Documentation: Add nospectre_v1 parameter

Currently only supported on powerpc.

Signed-off-by: Diana Craciun <diana.craciun@nxp.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index efc7aa7..4167bbe 100644 (file)
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -2687,6 +2687,10 @@
        nosmt           [KNL,S390] Disable symmetric multithreading (SMT).
                        Equivalent to smt=1.
 
+       nospectre_v1    [PPC] Disable mitigations for Spectre Variant 1 (bounds
+                       check bypass). With this option data leaks are possible
+                       in the system.
+
        nospectre_v2    [X86] Disable all mitigations for the Spectre variant 2
                        (indirect branch prediction) vulnerability. System may
                        allow data leaks with this option, which is equivalent