[PATCH v2 stable v4.4 2/2] Documentation: Add nospectre_v1 parameter

[Diana Craciun]

commit 26cb1f36c43ee6e89d2a9f48a5a7500d5248f836 upstream.

Currently only supported on powerpc.

Signed-off-by: Diana Craciun <diana.craciun at nxp.com>
Signed-off-by: Michael Ellerman <mpe at ellerman.id.au>
---
 Documentation/kernel-parameters.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index f0bdf78420a0..3ff87d5d6fea 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -2449,6 +2449,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 			legacy floating-point registers on task switch.
 
 	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
-- 
2.17.1