From e23f62f76acea232d4def5d4eb21709a2b575f14 Mon Sep 17 00:00:00 2001 From: Marc Zyngier Date: Fri, 9 Jun 2017 12:49:46 +0100 Subject: KVM: arm64: Enable GICv3 Group-0 sysreg trapping via command-line Now that we're able to safely handle Group-0 sysreg access, let's give the user the opportunity to enable it by passing a specific command-line option (vgic_v3.group0_trap). Tested-by: Alexander Graf Acked-by: David Daney Signed-off-by: Marc Zyngier Signed-off-by: Christoffer Dall --- Documentation/admin-guide/kernel-parameters.txt | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'Documentation/admin-guide') diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 42fe395be6c8..88bdc421351f 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -1829,6 +1829,10 @@ for all guests. Default is 1 (enabled) if in 64-bit or 32-bit PAE mode. + kvm-arm.vgic_v3_group0_trap= + [KVM,ARM] Trap guest accesses to GICv3 group-0 + system registers + kvm-arm.vgic_v3_group1_trap= [KVM,ARM] Trap guest accesses to GICv3 group-1 system registers -- cgit v1.2.1