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[PATCH v5 2/6] sev/i386: Require in-kernel irqchip support for SEV-ES gu
From: |
Tom Lendacky |
Subject: |
[PATCH v5 2/6] sev/i386: Require in-kernel irqchip support for SEV-ES guests |
Date: |
Thu, 14 Jan 2021 17:12:32 -0600 |
From: Tom Lendacky <thomas.lendacky@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 <pbonzini@redhat.com>
Cc: Richard Henderson <richard.henderson@linaro.org>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
---
target/i386/sev.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/target/i386/sev.c b/target/i386/sev.c
index fce2128c07..ddec7ebaa7 100644
--- a/target/i386/sev.c
+++ b/target/i386/sev.c
@@ -776,6 +776,12 @@ sev_guest_init(const char *id)
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",
--
2.30.0
- [PATCH v5 0/6] Qemu SEV-ES guest support, Tom Lendacky, 2021/01/14
- [PATCH v5 1/6] sev/i386: Add initial support for SEV-ES, Tom Lendacky, 2021/01/14
- [PATCH v5 2/6] sev/i386: Require in-kernel irqchip support for SEV-ES guests,
Tom Lendacky <=
- [PATCH v5 3/6] sev/i386: Allow AP booting under SEV-ES, Tom Lendacky, 2021/01/14
- [PATCH v5 4/6] sev/i386: Don't allow a system reset under an SEV-ES guest, Tom Lendacky, 2021/01/14
- [PATCH v5 5/6] kvm/i386: Use a per-VM check for SMM capability, Tom Lendacky, 2021/01/14
- [PATCH v5 6/6] sev/i386: Enable an SEV-ES guest based on SEV policy, Tom Lendacky, 2021/01/14