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Subject[PATCH 4.4 086/266] Documentation: Add nospectre_v1 parameter
Date
From: Diana Craciun <diana.craciun@nxp.com>

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>

---
Documentation/kernel-parameters.txt | 4 ++++
1 file changed, 4 insertions(+)

--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -2450,6 +2450,10 @@ bytes respectively. Such letter suffixes

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.
+
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

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