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hv: extend the vlapic_reset 

vlapic reset should also zero apic_page and pir_desc if pir is
enabled.

Signed-off-by: Yin Fengwei <fengwei.yin@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Yin Fengwei 2018-06-28 17:10:47 +08:00 committed by lijinxia
parent 21b9ba8a84
commit 57c217bf26
1 changed files with 14 additions and 1 deletions
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15
hypervisor/arch/x86/guest/vlapic.c
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@ -1491,10 +1491,15 @@ vlapic_write(struct vlapic *vlapic, int mmio_access, uint64_t offset,
void
vlapic_reset(struct vlapic *vlapic)
{
uint32_t i;
struct lapic_regs *lapic;
void *apic_page;
lapic = vlapic->apic_page;
memset(lapic, 0, sizeof(struct lapic_regs));
apic_page = (void *)vlapic->apic_page;
memset(apic_page, 0, CPU_PAGE_SIZE);
if (vlapic->pir_desc)
memset(vlapic->pir_desc, 0, sizeof(struct pir_desc));
lapic->id = vlapic_build_id(vlapic);
lapic->version = VLAPIC_VERSION;
@ -1509,6 +1514,14 @@ vlapic_reset(struct vlapic *vlapic)
vlapic_reset_timer(vlapic);
vlapic->svr_last = lapic->svr;
for (i = 0; i < VLAPIC_MAXLVT_INDEX + 1; i++)
vlapic->lvt_last[i] = 0;
for (i = 0; i < ISRVEC_STK_SIZE; i++)
vlapic->isrvec_stk[i] = 0;
vlapic->isrvec_stk_top = 0;
}
void