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target/arm/kvm: don't check TYPE_AARCH64_CPU

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We want to merge TYPE_AARCH64_CPU with TYPE_ARM_CPU, so enforcing in
kvm_arch_init_vcpu() that the CPU class is a subclass of
TYPE_AARCH64_CPU will no longer be possible.

It's safe to just remove this test, because any purely-AArch32 CPU
will fail the "kvm_target isn't set" check, because we no longer
support the old AArch32-host KVM setup and so CPUs like the Cortex-A7
no longer set cpu->kvm_target. Only the 'host', 'max', and the
odd special cases 'cortex-a53' and 'cortex-a57' set kvm_target.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20250429132200.605611-7-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2025-05-14 14:29:46 +01:00
parent 0ab97bc070
commit c6650a8c6c
1 changed files with 1 additions and 2 deletions
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3
target/arm/kvm.c
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@ -1843,8 +1843,7 @@ int kvm_arch_init_vcpu(CPUState *cs)
CPUARMState *env = &cpu->env;
uint64_t psciver;
if (cpu->kvm_target == QEMU_KVM_ARM_TARGET_NONE ||
!object_dynamic_cast(OBJECT(cpu), TYPE_AARCH64_CPU)) {
if (cpu->kvm_target == QEMU_KVM_ARM_TARGET_NONE) {
error_report("KVM is not supported for this guest CPU type");
return -EINVAL;
}