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authorVitaly Kuznetsov <vkuznets@redhat.com>2020-09-17 12:23:16 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2020-09-30 19:11:36 +0200
commit6615be072dbb88d306cd1647c7c7b694682bac5e (patch)
tree12086ddb92686f79723ed2e8369607b0874b6249 /scripts/check_sparse.py
parent56bf1c4985fb9ad24642f176cc40db0eb4f3dc31 (diff)
downloadfocaccia-qemu-6615be072dbb88d306cd1647c7c7b694682bac5e.tar.gz
focaccia-qemu-6615be072dbb88d306cd1647c7c7b694682bac5e.zip
target/i386: Fix VM migration when interrupt based APF is enabled
VM with  interrupt based APF enabled fails to migrate:
qemu-system-x86_64: error: failed to set MSR 0x4b564d02 to 0xf3

We have two issues:
1) There is a typo in kvm_put_msrs() and we write async_pf_int_msr
to MSR_KVM_ASYNC_PF_EN (instead of MSR_KVM_ASYNC_PF_INT)

2) We restore MSR_KVM_ASYNC_PF_EN before MSR_KVM_ASYNC_PF_INT is set
and this violates the check in KVM.

Re-order MSR_KVM_ASYNC_PF_EN/MSR_KVM_ASYNC_PF_INT setting (and
kvm_get_msrs() for consistency) and fix the typo.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Message-Id: <20200917102316.814804-1-vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'scripts/check_sparse.py')
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