From 0a5112f20c1deca4b3899fdbf711f309ee977a18 Mon Sep 17 00:00:00 2001 From: Diana Craciun Date: Sat, 28 Jul 2018 09:06:39 +1000 Subject: Documentation: Add nospectre_v1 parameter commit 26cb1f36c43ee6e89d2a9f48a5a7500d5248f836 upstream. Currently only supported on powerpc. Signed-off-by: Diana Craciun Signed-off-by: Michael Ellerman Signed-off-by: Greg Kroah-Hartman --- Documentation/admin-guide/kernel-parameters.txt | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'Documentation') diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 9372918e2b2a..94fa46d2d805 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -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 -- cgit v1.2.3