Messages in this thread Patch in this message | | | From | Jeremy Linton <> | Subject | [PATCH v4 01/12] Documentation: Document arm64 kpti control | Date | Fri, 25 Jan 2019 12:07:00 -0600 |
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For a while Arm64 has been capable of force enabling or disabling the kpti mitigations. Lets make sure the documentation reflects that.
Signed-off-by: Jeremy Linton <jeremy.linton@arm.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: linux-doc@vger.kernel.org --- Documentation/admin-guide/kernel-parameters.txt | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index b799bcf67d7b..9475f02c79da 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -1982,6 +1982,12 @@ Built with CONFIG_DEBUG_KMEMLEAK_DEFAULT_OFF=y, the default is off. + kpti= [ARM64] Control page table isolation of user + and kernel address spaces. + Default: enabled on cores which need mitigation. + 0: force disabled + 1: force enabled + kvm.ignore_msrs=[KVM] Ignore guest accesses to unhandled MSRs. Default is 0 (don't ignore, but inject #GP) -- 2.17.2
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