On 08/31/11 10:20, Yonit Halperin wrote:
if qxl_send_events was called from spice server context, and then
migration had completed before a call to pipe_read, the target
guest qxl driver didn't get the interrupt. In addition,
qxl_send_events ignored further interrupts of the same kind, since
ram->int_pending was set. As a result, the guest driver was stacked
or very slow (when the waiting for the interrupt was with timeout).
- if (!running&& qxl->mode == QXL_MODE_NATIVE) {
+ if (running) {
+ if (qxl->ram->int_pending) {
+ /*
+ * if qxl_send_events was called from spice server context before
+ * migration ended, qxl_set_irq for these events might not have
been called
+ */
+ qxl_set_irq(qxl);
+ }
You can call qxl_set_irq unconditionally,
it checks for int_pending anyway.
cheers,
Gerd
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