From: Tom Lendacky <thomas.lenda...@amd.com>
In prep for AP booting, require the use of in-kernel irqchip support. This
lessens the Qemu support burden required to boot APs.
Cc: Paolo Bonzini <pbonz...@redhat.com>
Cc: Richard Henderson <richard.hender...@linaro.org>
Cc: Eduardo Habkost <ehabk...@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilb...@redhat.com>
Signed-off-by: Tom Lendacky <thomas.lenda...@amd.com>
Reviewed-by: Venu Busireddy <venu.busire...@oracle.com>
Message-Id:
<e9aec5941e613456f0757f5a73869cdc5deea105.1611682609.git.thomas.lenda...@amd.com>
Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
---
target/i386/sev.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/target/i386/sev.c b/target/i386/sev.c
index dc0e53019b..35b9259bfc 100644
--- a/target/i386/sev.c
+++ b/target/i386/sev.c
@@ -753,6 +753,12 @@ int sev_kvm_init(ConfidentialGuestSupport *cgs, Error
**errp)
sev->api_minor = status.api_minor;
if (sev_es_enabled()) {
+ if (!kvm_kernel_irqchip_allowed()) {
+ error_report("%s: SEV-ES guests require in-kernel irqchip support",
+ __func__);
+ goto err;
+ }
+
if (!(status.flags & SEV_STATUS_FLAGS_CONFIG_ES)) {
error_report("%s: guest policy requires SEV-ES, but "
"host SEV-ES support unavailable",
--
2.29.2
