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Commit 5bf817bf authored Jul 28, 2018 by Diana Craciun Committed by Greg Kroah-Hartman May 02, 2019

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>

parent 0feb3712

Documentation/kernel-parameters.txt

+4 −0

Original line number	Diff line number	Diff line
		@@ -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.