block: mark AioContext as recursive
AioContext can be accessed recursively, in fact that's what we do with aio_poll. Marking the GSource as recursive avoids that GLib blocks it and unblocks it around every call to aio_dispatch, which is a pretty expensive operation. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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async.c
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async.c
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@ -300,6 +300,7 @@ AioContext *aio_context_new(Error **errp)
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error_setg_errno(errp, -ret, "Failed to initialize event notifier");
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error_setg_errno(errp, -ret, "Failed to initialize event notifier");
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return NULL;
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return NULL;
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}
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}
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g_source_set_can_recurse(&ctx->source, true);
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aio_set_event_notifier(ctx, &ctx->notifier,
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aio_set_event_notifier(ctx, &ctx->notifier,
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(EventNotifierHandler *)
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(EventNotifierHandler *)
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event_notifier_test_and_clear);
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event_notifier_test_and_clear);
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