From: Paolo Bonzini <pbonzini@redhat.com>
To: "Radim Krčmář" <rkrcmar@redhat.com>, "Wu, Feng" <feng.wu@intel.com>
Cc: "alex.williamson@redhat.com" <alex.williamson@redhat.com>,
"joro@8bytes.org" <joro@8bytes.org>,
"mtosatti@redhat.com" <mtosatti@redhat.com>,
"eric.auger@linaro.org" <eric.auger@linaro.org>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
"iommu@lists.linux-foundation.org"
<iommu@lists.linux-foundation.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v8 03/13] KVM: Define a new interface kvm_intr_is_single_vcpu()
Date: Fri, 18 Sep 2015 18:17:29 +0200 [thread overview]
Message-ID: <55FC3919.9030204@redhat.com> (raw)
In-Reply-To: <20150918161631.GA27908@potion.brq.redhat.com>
On 18/09/2015 18:16, Radim Krčmář wrote:
>>> >> Ok, I was wondering whether this was the correct interpretation. Thanks!
>> >
>> > Paolo, I don't think Radim clarify your concern, right? Since mda is 8-bit, it
>> > is wrong with mda >> 16, this is your concern, right?
> In case it was: mda is u32 so the bitshift is defined by C.
> (xAPIC destinations in KVM's x2APIC mode are stored in lowest 8 bits of
> mda, hence the cluster is always 0.)
>
> Or am I still missing the point?
Yes, remembering that the cluster is always 0 solved my doubt.
Paolo
next prev parent reply other threads:[~2015-09-18 16:17 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-16 8:49 [PATCH v8 00/13] Add VT-d Posted-Interrupts support Feng Wu
2015-09-16 8:49 ` [PATCH v8 01/13] KVM: Extend struct pi_desc for VT-d Posted-Interrupts Feng Wu
2015-09-16 8:49 ` [PATCH v8 02/13] KVM: Add some helper functions for Posted-Interrupts Feng Wu
2015-09-16 8:49 ` [PATCH v8 03/13] KVM: Define a new interface kvm_intr_is_single_vcpu() Feng Wu
2015-09-16 9:23 ` Paolo Bonzini
2015-09-17 3:17 ` Wu, Feng
2015-09-17 9:42 ` Paolo Bonzini
2015-09-17 13:36 ` Wu, Feng
2015-09-17 14:24 ` Paolo Bonzini
2015-09-17 15:58 ` Radim Krčmář
2015-09-17 16:00 ` Paolo Bonzini
2015-09-17 23:18 ` Wu, Feng
2015-09-18 16:16 ` Radim Krčmář
2015-09-18 16:17 ` Paolo Bonzini [this message]
2015-09-17 23:15 ` Wu, Feng
2015-09-16 8:50 ` [PATCH v8 04/13] KVM: Make struct kvm_irq_routing_table accessible Feng Wu
2015-09-16 8:50 ` [PATCH v8 05/13] KVM: make kvm_set_msi_irq() public Feng Wu
2015-09-16 8:50 ` [PATCH v8 06/13] vfio: Register/unregister irq_bypass_producer Feng Wu
2015-09-16 8:50 ` [PATCH v8 07/13] KVM: x86: Update IRTE for posted-interrupts Feng Wu
2015-09-16 8:50 ` [PATCH v8 08/13] KVM: Implement IRQ bypass consumer callbacks for x86 Feng Wu
2015-09-16 8:50 ` [PATCH v8 09/13] KVM: Add an arch specific hooks in 'struct kvm_kernel_irqfd' Feng Wu
2015-09-16 9:27 ` Paolo Bonzini
2015-09-17 1:51 ` Wu, Feng
2015-09-17 9:38 ` Paolo Bonzini
2015-09-16 8:50 ` [PATCH v8 10/13] KVM: Update Posted-Interrupts Descriptor when vCPU is preempted Feng Wu
2015-09-16 9:29 ` Paolo Bonzini
2015-09-16 8:50 ` [PATCH v8 11/13] KVM: Update Posted-Interrupts Descriptor when vCPU is blocked Feng Wu
2015-09-16 9:32 ` Paolo Bonzini
2015-09-16 8:50 ` [PATCH v8 12/13] KVM: Warn if 'SN' is set during posting interrupts by software Feng Wu
2015-09-16 9:32 ` Paolo Bonzini
2015-09-16 8:50 ` [PATCH v8 13/13] iommu/vt-d: Add a command line parameter for VT-d posted-interrupts Feng Wu
2015-09-16 9:34 ` [PATCH v8 00/13] Add VT-d Posted-Interrupts support Paolo Bonzini
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