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On SVM, if preemption happens right after the call to finish_rcuwait but before call to kvm_arch_vcpu_unblocking on SVM/AVIC, it itself will re-enable AVIC, and then we will try to re-enable it again in kvm_arch_vcpu_unblocking which will lead to a warning in __avic_vcpu_load. The same problem can happen if the vCPU is preempted right after the call to kvm_arch_vcpu_blocking but before the call to prepare_to_rcuwait and in this case, we will end up with AVIC enabled during sleep - Ooops. Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com> Message-Id: <20220606180829.102503-7-mlevitsk@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> |
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| .. | ||
| async_pf.c | ||
| async_pf.h | ||
| binary_stats.c | ||
| coalesced_mmio.c | ||
| coalesced_mmio.h | ||
| dirty_ring.c | ||
| eventfd.c | ||
| irqchip.c | ||
| Kconfig | ||
| kvm_main.c | ||
| kvm_mm.h | ||
| Makefile.kvm | ||
| pfncache.c | ||
| vfio.c | ||
| vfio.h | ||