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Commit 0a5112f2 authored by Diana Craciun's avatar Diana Craciun Committed by Greg Kroah-Hartman
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Documentation: Add nospectre_v1 parameter 



commit 26cb1f36c43ee6e89d2a9f48a5a7500d5248f836 upstream.

Currently only supported on powerpc.

Signed-off-by: default avatarDiana Craciun <diana.craciun@nxp.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 07198c41

Documentation/admin-guide/kernel-parameters.txt

+4 −0
Original line number Diff line number Diff line
@@ -2680,6 +2680,10 @@ 
			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