Re: [Xen-devel] [PATCH v2 4/4] VMX: fixup PI descritpor when cpu is offline

2016-06-23 Thread Wu, Feng
> >> > @@ -122,10 +124,25 @@ static void vmx_vcpu_block(struct vcpu *v) > >> > * new vCPU to the list. > >> > */ > >> > spin_unlock_irqrestore(&v->arch.hvm_vmx.pi_hotplug_lock, flags); > >> > -return; > >> > +return 1; > >> > } > >> > > >> > sp

Re: [Xen-devel] [PATCH v2 4/4] VMX: fixup PI descritpor when cpu is offline

2016-06-22 Thread George Dunlap
On Tue, May 31, 2016 at 11:31 AM, Wu, Feng wrote: > > >> -Original Message- >> From: Jan Beulich [mailto:jbeul...@suse.com] >> Sent: Friday, May 27, 2016 10:57 PM >> To: Wu, Feng >> Cc: andrew.coop...@citrix.com; dario.faggi...@citrix.com; >> george.dun...@eu.citrix.com; Tian, Kevin ; xen

Re: [Xen-devel] [PATCH v2 4/4] VMX: fixup PI descritpor when cpu is offline

2016-05-31 Thread Wu, Feng
> -Original Message- > From: Jan Beulich [mailto:jbeul...@suse.com] > Sent: Friday, May 27, 2016 10:57 PM > To: Wu, Feng > Cc: andrew.coop...@citrix.com; dario.faggi...@citrix.com; > george.dun...@eu.citrix.com; Tian, Kevin ; xen- > de...@lists.xen.org; konrad.w...@oracle.com; k...@xen.o

Re: [Xen-devel] [PATCH v2 4/4] VMX: fixup PI descritpor when cpu is offline

2016-05-27 Thread Jan Beulich
>>> On 26.05.16 at 15:39, wrote: > @@ -102,9 +103,10 @@ void vmx_pi_per_cpu_init(unsigned int cpu) > { > INIT_LIST_HEAD(&per_cpu(vmx_pi_blocking, cpu).list); > spin_lock_init(&per_cpu(vmx_pi_blocking, cpu).lock); > +per_cpu(vmx_pi_blocking, cpu).down = 0; This seems pointless - per