+-- On Tue, 18 Oct 2016, P J P wrote --+ | Use QEMU_ALIGN_UP instead of QEMU_ALIGN_DOWN | -> https://lists.gnu.org/archive/html/qemu-devel/2016-10/msg03788.html | | diff --git a/hw/timer/a9gtimer.c b/hw/timer/a9gtimer.c | index 772f85f..ce1dc63 100644 | --- a/hw/timer/a9gtimer.c | +++ b/hw/timer/a9gtimer.c | @@ -82,15 +82,15 @@ static void a9_gtimer_update(A9GTimerState *s, bool sync) | if ((s->control & R_CONTROL_TIMER_ENABLE) && | - while (gtb->compare < update.new) { | + if (gtb->compare < update.new) { | DB_PRINT("Compare event happened for CPU %d\n", i); | gtb->status = 1; | - if (gtb->control & R_CONTROL_AUTO_INCREMENT) { | - DB_PRINT("Auto incrementing timer compare by %" PRId32 "\n", | - gtb->inc); | - gtb->compare += gtb->inc; | - } else { | - break; | + if (gtb->control & R_CONTROL_AUTO_INCREMENT && gtb->inc) { | + uint64_t inc = | + QEMU_ALIGN_UP(update.new - gtb->compare, gtb->inc); | + DB_PRINT("Auto incrementing timer compare by %" | + PRId64 "\n", inc); | + gtb->compare += inc; | } | }
Ping..! -- Prasad J Pandit / Red Hat Product Security Team 47AF CE69 3A90 54AA 9045 1053 DD13 3D32 FE5B 041F