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authorDiana Craciun <diana.craciun@nxp.com>2018-07-28 02:06:39 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-05-02 10:32:07 +0300
commit5bf817bf61cd60e0a47b45369e228fddb4a854ea (patch)
treec3d97987a8594c4498531c4d717a0f9c5405c2a4 /Documentation
parent0feb3712a066cafb46d94a3d5f745d935c2e424b (diff)
downloadlinux-5bf817bf61cd60e0a47b45369e228fddb4a854ea.tar.xz
Documentation: Add nospectre_v1 parameter
commit 26cb1f36c43ee6e89d2a9f48a5a7500d5248f836 upstream. Currently only supported on powerpc. Signed-off-by: Diana Craciun <diana.craciun@nxp.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/kernel-parameters.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index dfdb8c55e8e4..a1472b48ee22 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -2758,6 +2758,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
nohugeiomap [KNL,x86] Disable kernel huge I/O mappings.
+ nospectre_v1 [PPC] Disable mitigations for Spectre Variant 1 (bounds
+ check bypass). With this option data leaks are possible
+ in the system.
+
nosmt [KNL,S390] Disable symmetric multithreading (SMT).
Equivalent to smt=1.