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Avi Kivity authored
A couple of code paths check the lower bits of CPUTLBEntry::addr_write against io_mem_ram as a way of looking for a dirty RAM page. This works by accident since the value is zero, which matches all clear bits for TLB_INVALID, TLB_MMIO, and TLB_NOTDIRTY (indicating dirty RAM). Make it work by design by checking for the proper bits. Signed-off-by: Avi Kivity <avi@redhat.com>
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