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authorMarc Zyngier <marc.zyngier@arm.com>2017-06-09 12:49:53 +0100
committerMarc Zyngier <marc.zyngier@arm.com>2017-06-15 09:45:06 +0100
commitff89511ef29b794d6a9c6b62f5ea76fc013cdae7 (patch)
tree35d385aa1febf5979d292ea3b47b95799a82cf2f /Documentation/admin-guide
parentKVM: arm64: vgic-v3: Add ICV_PMR_EL1 handler (diff)
downloadlinux-dev-ff89511ef29b794d6a9c6b62f5ea76fc013cdae7.tar.xz
linux-dev-ff89511ef29b794d6a9c6b62f5ea76fc013cdae7.zip
KVM: arm64: Enable GICv3 common sysreg trapping via command-line
Now that we're able to safely handle common sysreg access, let's give the user the opportunity to enable it by passing a specific command-line option (vgic_v3.common_trap). Tested-by: Alexander Graf <agraf@suse.de> Acked-by: David Daney <david.daney@cavium.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Acked-by: Christoffer Dall <cdall@linaro.org> Signed-off-by: Christoffer Dall <cdall@linaro.org>
Diffstat (limited to 'Documentation/admin-guide')
-rw-r--r--Documentation/admin-guide/kernel-parameters.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 88bdc421351f..aa8341e73b35 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -1837,6 +1837,10 @@
[KVM,ARM] Trap guest accesses to GICv3 group-1
system registers
+ kvm-arm.vgic_v3_common_trap=
+ [KVM,ARM] Trap guest accesses to GICv3 common
+ system registers
+
kvm-intel.ept= [KVM,Intel] Disable extended page tables
(virtualized MMU) support on capable Intel chips.
Default is 1 (enabled)