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Paolo Bonzini authored
The RTC tracking code tracks the cardinality of rtc_status.dest_map into rtc_status.pending_eoi. It has some WARN_ONs that trigger if pending_eoi ever becomes negative; however, these do not do anything to recover, and it bad things will happen soon after they trigger. When the next RTC interrupt is triggered, rtc_check_coalesced() will return false, but ioapic_service will find pending_eoi != 0 and do a BUG_ON. To avoid this, should pending_eoi ever be nonzero, call kvm_rtc_eoi_tracking_restore_all to recompute a correct dest_map and pending_eoi. Signed-off-by:
Paolo Bonzini <pbonzini@redhat.com>
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