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author | Tom Lendacky <thomas.lendacky@amd.com> | 2021-01-26 11:36:45 -0600 |
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committer | Paolo Bonzini <pbonzini@redhat.com> | 2021-02-16 17:15:39 +0100 |
commit | 9681f8677f26320fff488e56b500a3d7d5cf1a49 (patch) | |
tree | eab2c442d99467439dc1a25e7f695ff6be527177 /target | |
parent | 6b98e96f1842a54c0bf074f4dad0928808afe287 (diff) | |
download | qemu-9681f8677f26320fff488e56b500a3d7d5cf1a49.zip qemu-9681f8677f26320fff488e56b500a3d7d5cf1a49.tar.gz qemu-9681f8677f26320fff488e56b500a3d7d5cf1a49.tar.bz2 |
sev/i386: Require in-kernel irqchip support for SEV-ES guests
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 <pbonzini@redhat.com>
Cc: Richard Henderson <richard.henderson@linaro.org>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Reviewed-by: Venu Busireddy <venu.busireddy@oracle.com>
Message-Id: <e9aec5941e613456f0757f5a73869cdc5deea105.1611682609.git.thomas.lendacky@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'target')
-rw-r--r-- | target/i386/sev.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/target/i386/sev.c b/target/i386/sev.c index dc0e530..35b9259 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", |