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| author | Diana Craciun <diana.craciun@nxp.com> | 2018-07-28 02:06:39 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-05-02 10:32:07 +0300 |
| commit | 5bf817bf61cd60e0a47b45369e228fddb4a854ea (patch) | |
| tree | c3d97987a8594c4498531c4d717a0f9c5405c2a4 /Documentation | |
| parent | 0feb3712a066cafb46d94a3d5f745d935c2e424b (diff) | |
| download | linux-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.txt | 4 |
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. |