On 8/25/15 12:59 AM, David Matlack wrote:
On Mon, Aug 24, 2015 at 5:53 AM, Wanpeng Li <wanpeng...@hotmail.com> wrote:
Change halt_poll_ns into per-VCPU variable, seeded from module parameter,
to allow greater flexibility.
You should also change kvm_vcpu_block to read halt_poll_ns from
the vcpu instead of the module parameter.
Indeed, thanks for your review. :-)
Regards,
Wanpeng Li
Signed-off-by: Wanpeng Li <wanpeng...@hotmail.com>
---
include/linux/kvm_host.h | 1 +
virt/kvm/kvm_main.c | 1 +
2 files changed, 2 insertions(+)
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 81089cf..1bef9e2 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -242,6 +242,7 @@ struct kvm_vcpu {
int sigset_active;
sigset_t sigset;
struct kvm_vcpu_stat stat;
+ unsigned int halt_poll_ns;
#ifdef CONFIG_HAS_IOMEM
int mmio_needed;
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index d8db2f8f..a122b52 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -217,6 +217,7 @@ int kvm_vcpu_init(struct kvm_vcpu *vcpu, struct kvm *kvm,
unsigned id)
vcpu->kvm = kvm;
vcpu->vcpu_id = id;
vcpu->pid = NULL;
+ vcpu->halt_poll_ns = halt_poll_ns;
init_waitqueue_head(&vcpu->wq);
kvm_async_pf_vcpu_init(vcpu);
--
1.9.1
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