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qxl: upon reset, if spice worker is stopped, the command rings can be not empty 

Spice worker does no longer process commands when it is stopped.
Otherwise, it might crash during migration when attempting to process
commands while the guest is not completely loaded.

Cc: Alon Levy <alevy@redhat.com>

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Yonit Halperin 2011-07-12 11:51:58 +03:00 committed by Gerd Hoffmann
parent df9cb66942
commit 8927cfbba2
1 changed files with 2 additions and 2 deletions
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4
hw/qxl.c
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@ -656,8 +656,8 @@ static void qxl_reset_state(PCIQXLDevice *d)
QXLRam *ram = d->ram;
QXLRom *rom = d->rom;
assert(SPICE_RING_IS_EMPTY(&ram->cmd_ring));
assert(SPICE_RING_IS_EMPTY(&ram->cursor_ring));
assert(!d->ssd.running || SPICE_RING_IS_EMPTY(&ram->cmd_ring));
assert(!d->ssd.running || SPICE_RING_IS_EMPTY(&ram->cursor_ring));
d->shadow_rom.update_id = cpu_to_le32(0);
*rom = d->shadow_rom;
qxl_rom_set_dirty(d);