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Re: [PATCH 0/2] KVM: x86: disable MPX if host did not enable MPX XSAVE features

From Paolo Bonzini <pbonzini@redhat.com>
Newsgroups linux.kernel
Subject Re: [PATCH 0/2] KVM: x86: disable MPX if host did not enable MPX XSAVE features
Date 2016-03-10 13:40 +0100
Message-ID <rb82J-71L-7@gated-at.bofh.it> (permalink)
References <raojg-hv-9@gated-at.bofh.it> <rb7T4-6WL-17@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 10/03/2016 13:28, Xiao Guangrong wrote:
> 
>> Patch 1 ensures that all aspects of MPX are disabled when eager FPU
>> is disabled on the host.  Patch 2 is just a cleanup.
> 
> It looks good to me.
> 
> Reviewed-by: Xiao Guangrong <guangrong.xiao@linux.intel.com>

Thanks very much!

> Now, more and more features depend on eger xsave, e.g, fpu, mpx and
> protection-key, maybe it is the time to rename eager-fpu to eager-xsave?

Yeah, that could be possible.  You can propose it to Ingo Molnar (CCed).
 If you change it in the general purpose kernel code, KVM will of course
follow suit.

Paolo

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Thread

[PATCH 0/2] KVM: x86: disable MPX if host did not enable MPX XSAVE features Paolo Bonzini <pbonzini@redhat.com> - 2016-03-08 12:50 +0100
  [PATCH 2/2] KVM: x86: remove eager_fpu field of struct kvm_vcpu_arch Paolo Bonzini <pbonzini@redhat.com> - 2016-03-08 12:50 +0100
  Re: [PATCH 0/2] KVM: x86: disable MPX if host did not enable MPX  XSAVE features Xiao Guangrong <guangrong.xiao@linux.intel.com> - 2016-03-10 13:30 +0100
    Re: [PATCH 0/2] KVM: x86: disable MPX if host did not enable MPX  XSAVE features Paolo Bonzini <pbonzini@redhat.com> - 2016-03-10 13:40 +0100
      Re: [PATCH 0/2] KVM: x86: disable MPX if host did not enable MPX  XSAVE features Ingo Molnar <mingo@kernel.org> - 2016-03-10 18:40 +0100
        Re: [PATCH 0/2] KVM: x86: disable MPX if host did not enable MPX  XSAVE features Paolo Bonzini <pbonzini@redhat.com> - 2016-03-10 18:40 +0100

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