Hi,
arch/ia64/kvm/kvm-ia64.c does this:
mmio_dev = vcpu_find_mmio_dev(vcpu, p->addr, p->size, !p->dir);
if (mmio_dev) {
if (!p->dir)
kvm_iodevice_write(mmio_dev, p->addr, p->size,
&p->data);
else
kvm_iodevice_read(mmio_dev, p->addr, p->size,
&p->data);
without holding kvm lock.
I know that find/read/write on the bus require locking on x86 -
are they safe to do without locking on ia64?
--
MST
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