On Wed, Apr 29, 2020 at 12:53:33PM +0200, Paolo Bonzini wrote:
> On 29/04/20 11:36, Vitaly Kuznetsov wrote:
> > +
> > + if (__this_cpu_read(apf_reason.enabled)) {
> > + reason = __this_cpu_read(apf_reason.reason);
> > + if (reason == KVM_PV_REASON_PAGE_READY) {
> > +
Hi Vitaly,
On 4/29/20 7:36 PM, Vitaly Kuznetsov wrote:
KVM now supports using interrupt for type 2 APF event delivery (page ready
notifications). Switch KVM guests to using it when the feature is present.
Signed-off-by: Vitaly Kuznetsov
---
arch/x86/entry/entry_32.S | 5
arch
Paolo Bonzini writes:
> On 29/04/20 14:44, Vitaly Kuznetsov wrote:
+ token = __this_cpu_read(apf_reason.token);
+ /*
+ * Make sure we read 'token' before we reset
+ * 'reason' or it can get lost.
+
On 29/04/20 14:44, Vitaly Kuznetsov wrote:
>>> + token = __this_cpu_read(apf_reason.token);
>>> + /*
>>> +* Make sure we read 'token' before we reset
>>> +* 'reason' or it can get lost.
>>> +*/
>>> +
Paolo Bonzini writes:
> On 29/04/20 11:36, Vitaly Kuznetsov wrote:
>> +
>> +if (__this_cpu_read(apf_reason.enabled)) {
>> +reason = __this_cpu_read(apf_reason.reason);
>> +if (reason == KVM_PV_REASON_PAGE_READY) {
>> +token = __this_cpu_read(apf_rea
On 29/04/20 11:36, Vitaly Kuznetsov wrote:
> +
> + if (__this_cpu_read(apf_reason.enabled)) {
> + reason = __this_cpu_read(apf_reason.reason);
> + if (reason == KVM_PV_REASON_PAGE_READY) {
> + token = __this_cpu_read(apf_reason.token);
> +
KVM now supports using interrupt for type 2 APF event delivery (page ready
notifications). Switch KVM guests to using it when the feature is present.
Signed-off-by: Vitaly Kuznetsov
---
arch/x86/entry/entry_32.S | 5
arch/x86/entry/entry_64.S | 5
arch/x86/include/a
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