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Documentation: Add nospectre_v1 parameter

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Currently only supported on powerpc.

Signed-off-by: Diana Craciun <diana.craciun@nxp.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Diana Craciun
2018-07-28 09:06:39 +10:00
committed by Michael Ellerman
parent c28218d4ab
commit 26cb1f36c4
1 changed files with 4 additions and 0 deletions
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4
Documentation/admin-guide/kernel-parameters.txt
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@@ -2687,6 +2687,10 @@
nosmt [KNL,S390] Disable symmetric multithreading (SMT). nosmt [KNL,S390] Disable symmetric multithreading (SMT).
Equivalent to smt=1. 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 nospectre_v2 [X86] Disable all mitigations for the Spectre variant 2
(indirect branch prediction) vulnerability. System may (indirect branch prediction) vulnerability. System may
allow data leaks with this option, which is equivalent allow data leaks with this option, which is equivalent