KVM awaits a working broadcast TLBI implementation.
Error out early when this is not provided by the
hardware.
Signed-off-by: Matthias Brugger <mbrugger@xxxxxxxx>
---
arch/arm/kvm/arm.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c
index f1bde7c..e627fac 100644
--- a/arch/arm/kvm/arm.c
+++ b/arch/arm/kvm/arm.c
@@ -1376,6 +1376,11 @@ int kvm_arch_init(void *opaque)
int err;
int ret, cpu;
+ if (cpus_have_cap(ARM64_HAS_NO_BCAST_TLBI)) {
+ kvm_err("Missing broadcast TLBI support.\n");
+ return -ENODEV;
+ }
+
if (!is_hyp_mode_available()) {
kvm_err("HYP mode not available\n");
return -ENODEV;
--
2.6.6
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