2.6.31-stable review patch. If anyone has any objections, please let us know. ------------------ From: Aurelien Jarno commit b2d83cfa3fdefe5c6573d443d099a18dc3a93c5f upstream. Don't overflow when computing the 64-bit period from 32-bit registers. Fixes sourceforge bug #2826486. Signed-off-by: Aurelien Jarno Signed-off-by: Marcelo Tosatti Signed-off-by: Greg Kroah-Hartman --- arch/x86/kvm/lapic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -567,7 +567,7 @@ static void start_apic_timer(struct kvm_ { ktime_t now = apic->lapic_timer.timer.base->get_time(); - apic->lapic_timer.period = apic_get_reg(apic, APIC_TMICT) * + apic->lapic_timer.period = (u64)apic_get_reg(apic, APIC_TMICT) * APIC_BUS_CYCLE_NS * apic->divide_count; atomic_set(&apic->lapic_timer.pending, 0); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/