On 09/30/2016 08:58 AM, Paolo Bonzini wrote:
> Please consider s390 and (x86/arm) KVM. Once we have a few, more can
> follow later, but I think its important to not only have PPC support for
> this.
Actually the s390 preemted check via sigp sense running is available for
On 09/30/2016 06:49 AM, Pan Xinhui wrote:
>
> but I can't help thinking that if this is a!SMP system, maybe we could only
> #ifndef CONFIG_SMP
> static inline bool arch_vcpu_is_preempted(int cpu) { return false; }
> #else
Yes, I will add that to v3. Thanks for spotting.
在 2016/9/30 17:08, Paolo Bonzini 写道:
On 30/09/2016 10:52, Pan Xinhui wrote:
x86 has no hypervisor support, and I'd like to understand the desired
semantics first, so I don't think it should block this series. In
Once a guest do a hypercall or something similar, IOW, there is a
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On 30/09/2016 10:52, Pan Xinhui wrote:
>> x86 has no hypervisor support, and I'd like to understand the desired
>> semantics first, so I don't think it should block this series. In
>
> Once a guest do a hypercall or something similar, IOW, there is a
> kvm_guest_exit. we think this is a lock
On Thu, 29 Sep 2016, Renat Valiullin wrote:
> In virtualized environment the APIC timer calibration could go wrong
> when the host is overcommitted or the guest is running nested,
> this would result in the APIC timers operating at an incorrect frequency.
> Since VMware supports a mechanism to
hi, Paolo
thanks for your reply.
在 2016/9/30 14:58, Paolo Bonzini 写道:
Please consider s390 and (x86/arm) KVM. Once we have a few, more can
follow later, but I think its important to not only have PPC support for
this.
Actually the s390 preemted check via sigp sense running is
> > > > Please consider s390 and (x86/arm) KVM. Once we have a few, more can
> > > > follow later, but I think its important to not only have PPC support for
> > > > this.
> > >
> > > Actually the s390 preemted check via sigp sense running is available for
> > > all hypervisors (z/VM, LPAR and
在 2016/9/30 13:52, Boqun Feng 写道:
On Fri, Sep 30, 2016 at 12:49:52PM +0800, Pan Xinhui wrote:
在 2016/9/29 23:51, Christian Borntraeger 写道:
this implements the s390 backend for commit
"kernel/sched: introduce vcpu preempted check interface"
by reworking the existing smp_vcpu_scheduled into
