git: c543e09f1f8e - main - bhyve: save/restore pir_desc
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Date: Tue, 09 May 2023 08:32:43 UTC
The branch main has been updated by corvink: URL: https://cgit.FreeBSD.org/src/commit/?id=c543e09f1f8ef98f201f7dd3f34ae023d61dfa83 commit c543e09f1f8ef98f201f7dd3f34ae023d61dfa83 Author: Vitaliy Gusev <gusev.vitaliy@gmail.com> AuthorDate: 2023-05-09 08:27:29 +0000 Commit: Corvin Köhne <corvink@FreeBSD.org> CommitDate: 2023-05-09 08:31:27 +0000 bhyve: save/restore pir_desc Failing to preserve pir_desc can result in pending interrupts being lost on resume leading to a hung VM. Reviewed by: corvink, jhb MFC after: 1 week Sponsored by: vStack Differential Revision: https://reviews.freebsd.org/D35447 --- sys/amd64/vmm/intel/vmx.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/sys/amd64/vmm/intel/vmx.c b/sys/amd64/vmm/intel/vmx.c index 69391f5b77de..ec54273caaaa 100644 --- a/sys/amd64/vmm/intel/vmx.c +++ b/sys/amd64/vmm/intel/vmx.c @@ -4179,6 +4179,9 @@ vmx_vcpu_snapshot(void *vcpui, struct vm_snapshot_meta *meta) SNAPSHOT_BUF_OR_LEAVE(vcpu->guest_msrs, sizeof(vcpu->guest_msrs), meta, err, done); + SNAPSHOT_BUF_OR_LEAVE(vcpu->pir_desc, + sizeof(*vcpu->pir_desc), meta, err, done); + vmxctx = &vcpu->ctx; SNAPSHOT_VAR_OR_LEAVE(vmxctx->guest_rdi, meta, err, done); SNAPSHOT_VAR_OR_LEAVE(vmxctx->guest_rsi, meta, err, done);