debuggers.hg
changeset 13745:0a28ad8cedf2
[PATCH][HVM] fix smp guest hang after restore
[PATCH][HVM] fix smp guest hang after restore
Signed-off-by: Zhai Edwin <edwin.zhai@intel.com>
update the pt irq after restore, otherwise all lapic timer intr are lost
[PATCH][HVM] fix smp guest hang after restore
Signed-off-by: Zhai Edwin <edwin.zhai@intel.com>
update the pt irq after restore, otherwise all lapic timer intr are lost
author | "Zhai, Edwin" <edwin.zhai@intel.com> |
---|---|
date | Tue Jan 30 11:56:25 2007 +0000 (2007-01-30) |
parents | bca858b72bf8 |
children | dc5e6e65bf10 |
files | xen/arch/x86/hvm/vlapic.c |
line diff
1.1 --- a/xen/arch/x86/hvm/vlapic.c Tue Jan 30 11:37:18 2007 +0000 1.2 +++ b/xen/arch/x86/hvm/vlapic.c Tue Jan 30 11:56:25 2007 +0000 1.3 @@ -836,14 +836,16 @@ static int lapic_load(hvm_domain_context 1.4 tmict = vlapic_get_reg(s, APIC_TMICT); 1.5 if (tmict > 0) { 1.6 uint64_t period = APIC_BUS_CYCLE_NS * (uint32_t)tmict * s->hw.timer_divisor; 1.7 + uint32_t lvtt = vlapic_get_reg(s, APIC_LVTT); 1.8 1.9 + s->pt.irq = lvtt & APIC_VECTOR_MASK; 1.10 create_periodic_time(v, &s->pt, period, s->pt.irq, 1.11 vlapic_lvtt_period(s), NULL, s); 1.12 1.13 printk("lapic_load to rearm the actimer:" 1.14 "bus cycle is %uns, " 1.15 - "saved tmict count %lu, period %"PRIu64"ns\n", 1.16 - APIC_BUS_CYCLE_NS, tmict, period); 1.17 + "saved tmict count %lu, period %"PRIu64"ns, irq=%"PRIu8"\n", 1.18 + APIC_BUS_CYCLE_NS, tmict, period, s->pt.irq); 1.19 1.20 } 1.21