git: c543e09f1f8e - main - bhyve: save/restore pir_desc

[Corvin Köhne]

The branch main has been updated by corvink:

URL: 
https://cgit.FreeBSD.org/src/commit/?id=c543e09f1f8ef98f201f7dd3f34ae023d61dfa83

commit c543e09f1f8ef98f201f7dd3f34ae023d61dfa83
Author:     Vitaliy Gusev <gusev.vita...@gmail.com>
AuthorDate: 2023-05-09 08:27:29 +0000
Commit:     Corvin Köhne <corv...@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);