From: Paolo Bonzini <pbonzini-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: Feng Wu <feng.wu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
alex.williamson-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org,
mtosatti-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org
Cc: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
kvm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
eric.auger-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org
Subject: Re: [PATCH v8 10/13] KVM: Update Posted-Interrupts Descriptor when vCPU is preempted
Date: Wed, 16 Sep 2015 11:29:04 +0200 [thread overview]
Message-ID: <55F93660.9070803@redhat.com> (raw)
In-Reply-To: <1442393409-2623-11-git-send-email-feng.wu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
On 16/09/2015 10:50, Feng Wu wrote:
> +
> + if (!irq_remapping_cap(IRQ_POSTING_CAP) ||
> + (!kvm_arch_has_assigned_device(vcpu->kvm)))
> + return;
> +
Better:
if (!arch_has_assigned_device(vcpu->kvm)) ||
!irq_remapping_cap(IRQ_POSTING_CAP))
return;
(In the future we might add a static_key here).
Paolo
next prev parent reply other threads:[~2015-09-16 9:29 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
[not found] ` <1442393409-2623-1-git-send-email-feng.wu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
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
[not found] ` <1442393409-2623-4-git-send-email-feng.wu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2015-09-16 9:23 ` Paolo Bonzini
[not found] ` <55F934F5.7040605-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-09-17 3:17 ` Wu, Feng
2015-09-17 9:42 ` Paolo Bonzini
[not found] ` <55FA8AED.6090700-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-09-17 13:36 ` Wu, Feng
[not found] ` <E959C4978C3B6342920538CF579893F002718968-0J0gbvR4kTg/UvCtAeCM4rfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-09-17 14:24 ` Paolo Bonzini
2015-09-17 15:58 ` Radim Krčmář
[not found] ` <20150917155821.GB2573-KfRq7+sF/6zkZJWtSm8s3NvLeJWuRmrY@public.gmane.org>
2015-09-17 16:00 ` Paolo Bonzini
[not found] ` <55FAE395.4000008-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-09-17 23:18 ` Wu, Feng
[not found] ` <E959C4978C3B6342920538CF579893F00271A691-0J0gbvR4kTg/UvCtAeCM4rfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2015-09-18 16:16 ` Radim Krčmář
[not found] ` <20150918161631.GA27908-KfRq7+sF/6zkZJWtSm8s3NvLeJWuRmrY@public.gmane.org>
2015-09-18 16:17 ` Paolo Bonzini
[not found] ` <55FACD35.1030602-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
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
[not found] ` <1442393409-2623-10-git-send-email-feng.wu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2015-09-16 9:27 ` Paolo Bonzini
[not found] ` <55F935E9.6070707-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-09-17 1:51 ` Wu, Feng
[not found] ` <E959C4978C3B6342920538CF579893F002716E32-0J0gbvR4kTg/UvCtAeCM4rfspsVTdybXVpNB7YpNyf8@public.gmane.org>
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
[not found] ` <1442393409-2623-11-git-send-email-feng.wu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2015-09-16 9:29 ` Paolo Bonzini [this message]
2015-09-16 8:50 ` [PATCH v8 11/13] KVM: Update Posted-Interrupts Descriptor when vCPU is blocked Feng Wu
[not found] ` <1442393409-2623-12-git-send-email-feng.wu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
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
[not found] ` <1442393409-2623-13-git-send-email-feng.wu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
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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