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authorPaolo Bonzini <pbonzini@redhat.com>2024-06-05 20:09:44 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2024-06-17 09:47:39 +0200
commit109238a8d97cd8e85ca614109724a0b1222b21f5 (patch)
tree919bcb79c26b2e35d5944955388d22d1d15c49f0
parent0c4da54883336e43af13ad3b3c33dac646cfa9fb (diff)
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target/i386: SEV: do not assume machine->cgs is SEV
There can be other confidential computing classes that are not derived from sev-common. Avoid aborting when encountering them. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
-rw-r--r--target/i386/sev.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/target/i386/sev.c b/target/i386/sev.c
index c40562d..30b83f1 100644
--- a/target/i386/sev.c
+++ b/target/i386/sev.c
@@ -1712,7 +1712,9 @@ void sev_es_set_reset_vector(CPUState *cpu)
{
X86CPU *x86;
CPUX86State *env;
- SevCommonState *sev_common = SEV_COMMON(MACHINE(qdev_get_machine())->cgs);
+ ConfidentialGuestSupport *cgs = MACHINE(qdev_get_machine())->cgs;
+ SevCommonState *sev_common = SEV_COMMON(
+ object_dynamic_cast(OBJECT(cgs), TYPE_SEV_COMMON));
/* Only update if we have valid reset information */
if (!sev_common || !sev_common->reset_data_valid) {