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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>
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Diana Craciun authored and Michael Ellerman committed Aug 7, 2018
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4 changes: 4 additions & 0 deletions Documentation/admin-guide/kernel-parameters.txt
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nosmt [KNL,S390] Disable symmetric multithreading (SMT).
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
(indirect branch prediction) vulnerability. System may
allow data leaks with this option, which is equivalent
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