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[Qemu-devel] [PATCH 2/2] target/i386: kvm: Init nested-state in case of
From: |
Liran Alon |
Subject: |
[Qemu-devel] [PATCH 2/2] target/i386: kvm: Init nested-state in case of vCPU exposed with SVM |
Date: |
Sat, 22 Jun 2019 00:37:12 +0300 |
Even though current most upstream kernel does not support save/restore
of nested-state in case of AMD SVM, prepare QEMU code to init
relevant nested-state struct fields.
Reviewed-by: Mark Kanda <address@hidden>
Reviewed-by: Karl Heubaum <address@hidden>
Signed-off-by: Liran Alon <address@hidden>
---
target/i386/kvm.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/target/i386/kvm.c b/target/i386/kvm.c
index c2bae6a3023a..be192e54a80b 100644
--- a/target/i386/kvm.c
+++ b/target/i386/kvm.c
@@ -1714,13 +1714,14 @@ int kvm_arch_init_vcpu(CPUState *cs)
env->nested_state->size = max_nested_state_len;
- if (IS_INTEL_CPU(env)) {
+ if (cpu_has_vmx(env)) {
struct kvm_vmx_nested_state_hdr *vmx_hdr =
&env->nested_state->hdr.vmx;
-
env->nested_state->format = KVM_STATE_NESTED_FORMAT_VMX;
vmx_hdr->vmxon_pa = -1ull;
vmx_hdr->vmcs12_pa = -1ull;
+ } else if (cpu_has_svm(env)) {
+ env->nested_state->format = KVM_STATE_NESTED_FORMAT_SVM;
}
}
--
2.20.1