diff options
| author | Diana Craciun <diana.craciun@nxp.com> | 2018-07-28 09:06:39 +1000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-05-16 19:44:55 +0200 |
| commit | aa24636d3dc228de6f70b05e1ed553828fe6bdce (patch) | |
| tree | 485f59c5ef114070a0784dbd89226256be795cc8 /Documentation | |
| parent | c816ec25621be43d6099c0d7b209e348f80a361f (diff) | |
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 f0bdf78420a0..ef729a135f35 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -2450,6 +2450,10 @@ 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. + nospectre_v2 [X86,PPC_FSL_BOOK3E] Disable all mitigations for the Spectre variant 2 (indirect branch prediction) vulnerability. System may allow data leaks with this option, which is equivalent |