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authorDiana Craciun <diana.craciun@nxp.com>2018-07-28 09:06:39 +1000
committerPaul Gortmaker <paul.gortmaker@windriver.com>2019-09-21 11:21:50 -0400
commitd91192d8e80a626478b864808e6ffad3237aadbe (patch)
tree063f2c007384008927bf212bac77bd5a1151e4ae
parent0c9e80029bed9a3fd16ba4034005bf96c4bf0777 (diff)
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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: Paul Gortmaker <paul.gortmaker@windriver.com>
-rw-r--r--Documentation/admin-guide/kernel-parameters.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 1b7cf734dfe6..7c8b28b97a58 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -2829,6 +2829,10 @@
nosmt=force: Force disable SMT, cannot be undone
via the sysfs control file.
+ 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