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Re: [PATCH v2 1/2] KVM: x86: Use vector-hashing to deliver lowest-priority interrupts

From Paolo Bonzini <pbonzini@redhat.com>
Newsgroups linux.kernel
Subject Re: [PATCH v2 1/2] KVM: x86: Use vector-hashing to deliver lowest-priority interrupts
Date 2016-01-19 14:50 +0100
Message-ID <qSEPv-8d-3@gated-at.bofh.it> (permalink)
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On 19/01/2016 05:44, Wu, Feng wrote:
> > I think Radim's suggestion is fine.  You can print an error (just once
> > per guest) to dmesg if the result of the hashing computation corresponds
> > to a disabled APIC.
> 
> Good idea, is there already a convenient way to do this in KVM?

No, you can just use something like the definition of printk_once (in
include/linux/printk.h), but with a flag in struct kvm_arch.

Paolo

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Thread

RE: [PATCH v2 1/2] KVM: x86: Use vector-hashing to deliver  lowest-priority interrupts "Wu, Feng" <feng.wu@intel.com> - 2016-01-18 06:30 +0100
  Re: [PATCH v2 1/2] KVM: x86: Use vector-hashing to deliver  lowest-priority interrupts Paolo Bonzini <pbonzini@redhat.com> - 2016-01-18 11:50 +0100
    RE: [PATCH v2 1/2] KVM: x86: Use vector-hashing to deliver  lowest-priority interrupts "Wu, Feng" <feng.wu@intel.com> - 2016-01-19 05:50 +0100
      RE: [PATCH v2 1/2] KVM: x86: Use vector-hashing to deliver  lowest-priority interrupts "Wu, Feng" <feng.wu@intel.com> - 2016-01-19 14:50 +0100
      Re: [PATCH v2 1/2] KVM: x86: Use vector-hashing to deliver  lowest-priority interrupts Paolo Bonzini <pbonzini@redhat.com> - 2016-01-19 14:50 +0100
  Re: [PATCH v2 1/2] KVM: x86: Use vector-hashing to deliver  lowest-priority interrupts Radim Krcmár <rkrcmar@redhat.com> - 2016-01-18 15:10 +0100

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