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