[PATCH 2/2] KVM: arm64: Prevent KVM_COMPAT from being selected
From: mark.rutland@arm.com (Mark Rutland)
Date: 2018-06-19 10:10:46
Also in:
kvm, kvmarm
On Tue, Jun 19, 2018 at 10:42:51AM +0100, Marc Zyngier wrote:
There is very little point in trying to support the 32bit KVM/arm API on arm64, and this was never an anticipated use case. Let's make it clear by not selecting KVM_COMPAT.
Do any other architectures have KVM && COMPAT, and expose an incompatible ABI to COMPAT tasks?
Signed-off-by: Marc Zyngier <redacted>
Given the state of arm/arm64, this makes sense to me. FWIW: Acked-by: Mark Rutland <mark.rutland@arm.com>
quoted hunk ↗ jump to hunk
--- virt/kvm/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)diff --git a/virt/kvm/Kconfig b/virt/kvm/Kconfig index 72143cfaf6ec..ea434ddc8499 100644 --- a/virt/kvm/Kconfig +++ b/virt/kvm/Kconfig@@ -47,7 +47,7 @@ config KVM_GENERIC_DIRTYLOG_READ_PROTECT config KVM_COMPAT def_bool y - depends on KVM && COMPAT && !S390 + depends on KVM && COMPAT && !(S390 || ARM64) config HAVE_KVM_IRQ_BYPASS bool-- 2.17.1