github/acrn-hypervisor
1
0
Fork 0
mirror of https://github.com/projectacrn/acrn-hypervisor.git synced 2025-08-09 20:18:19 +00:00
Code Issues Projects Releases Wiki Activity

hv: fix sos kernel hang when migrate irq to different cpu

Browse Source 
With kernel 4.19, it's possible that same irq vector assigned
to different devices on different cpu.

So when we update the tmr, we should update the value for cpu
which is irq target.

Tracked-On: #2212
Signed-off-by: Alek Du <alek.du@intel.com>
This commit is contained in:
Wei Liu 2018-12-28 13:08:16 +08:00 committed by Xie, Nanlin
parent ea1ac8a939
commit 2c70a1e115
1 changed files with 10 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
hypervisor/dm/vioapic.c
View File

@ -195,7 +195,17 @@ vioapic_update_tmr(struct acrn_vcpu *vcpu)
spinlock_obtain(&(vioapic->mtx));
pincount = vioapic_pincount(vcpu->vm);
for (pin = 0U; pin < pincount; pin++) {
uint64_t mask;
uint32_t dest;
bool phys;
rte = vioapic->rtbl[pin];
dest = rte.full >> IOAPIC_RTE_DEST_SHIFT;
phys = ((rte.full & IOAPIC_RTE_DESTLOG) == 0UL);
calcvdest(vcpu->vm, &mask, dest, phys);
if ((mask & (1 << vcpu->vcpu_id)) == 0)
continue;
level = ((rte.full & IOAPIC_RTE_TRGRLVL) != 0UL);