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memory: Flush coalesced MMIO on mapping and state changes

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Flush pending coalesced MMIO before performing mapping or state changes
that could affect the event orderings or route the buffered requests to
a wrong region.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
This commit is contained in:
Jan Kiszka 2012-08-23 13:02:32 +02:00 • committed by Marcelo Tosatti
parent 02e2b95fb4
commit bb880ded7a
1 changed files with 1 additions and 0 deletions
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memory.c
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@ -733,6 +733,7 @@ static void address_space_update_topology(AddressSpace *as)
void memory_region_transaction_begin(void)
{
qemu_flush_coalesced_mmio_buffer();
++memory_region_transaction_depth;
}