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hw/arm/virt: Reject gic-version=host for non-KVM

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If you try to gic-version=host with TCG on a KVM aarch64 host,
qemu segfaults, since host requires KVM APIs.

Explicitly reject gic-version=host if KVM is not enabled

https://bugzilla.redhat.com/show_bug.cgi?id=1339977
Signed-off-by: Cole Robinson <crobinso@redhat.com>
Message-id: b1b3b0dd143b7995a7f4062966b80a2cf3e3c71e.1464273085.git.crobinso@redhat.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Cole Robinson 2016-06-06 16:59:29 +01:00 committed by Peter Maydell
parent 1602001195
commit 0bf8039dca
1 changed files with 5 additions and 1 deletions
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6
hw/arm/virt.c
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@ -1122,10 +1122,14 @@ static void machvirt_init(MachineState *machine)
* KVM is not available yet
*/
if (!gic_version) {
if (!kvm_enabled()) {
error_report("gic-version=host requires KVM");
exit(1);
}
gic_version = kvm_arm_vgic_probe();
if (!gic_version) {
error_report("Unable to determine GIC version supported by host");
error_printf("KVM acceleration is probably not supported\n");
exit(1);
}
}