From 9394cbaab7701fe421d5c0168854d39d6a8ecfc2 Mon Sep 17 00:00:00 2001 From: Gerd Hoffmann Date: Tue, 7 Sep 2010 16:45:27 +0200 Subject: [PATCH 39/39] qxl: fix release ring overrun --- hw/qxl.c | 6 +++--- 1 files changed, 3 insertions(+), 3 deletions(-) diff --git a/hw/qxl.c b/hw/qxl.c index 4a15200..8448893 100644 --- a/hw/qxl.c +++ b/hw/qxl.c @@ -377,10 +377,10 @@ static inline void qxl_push_free_res(PCIQXLDevice *d) QXLReleaseRing *ring = &d->ram->release_ring; uint64_t *item; -#define QXL_FREE_BUNCH_SIZE 10 +#define QXL_FREE_BUNCH_SIZE 32 - if (SPICE_RING_IS_EMPTY(ring) || (d->num_free_res == QXL_FREE_BUNCH_SIZE && - ring->prod - ring->cons + 1 != ring->num_items)) { + if (SPICE_RING_IS_EMPTY(ring) || (d->num_free_res >= QXL_FREE_BUNCH_SIZE && + ring->prod - ring->cons + 2 != ring->num_items)) { int notify; SPICE_RING_PUSH(ring, notify); -- 1.7.2.3