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Re: [PATCH] KVM: x86: don't expose syscall/sysret to intel 32-bit guest

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On 19/11/2015 13:01, Wanpeng Li wrote:
> > This is not correct.  As far as I know, the SYSCALL bit is always
> > present in CPUID, even if the machine is running in 32-bit mode; CPUID
> > documentation (SDM Volume 2) explicitly documents bit 11 as "Bit 11:
> > SYSCALL/SYSRET available in 64-bit mode".
> 
> No, I try a 32-bit linux host kernel, cpuid tool shows that SYSCALL
> bit is not set.

Ok, let me try...

Paolo
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Re: [PATCH] KVM: x86: don't expose syscall/sysret to intel 32-bit  guest Paolo Bonzini <pbonzini@redhat.com> - 2015-11-19 12:10 +0100
  Re: [PATCH] KVM: x86: don't expose syscall/sysret to intel 32-bit  guest Paolo Bonzini <pbonzini@redhat.com> - 2015-11-19 13:10 +0100
  Re: [PATCH] KVM: x86: don't expose syscall/sysret to intel 32-bit guest Wanpeng Li <kernellwp@gmail.com> - 2015-11-19 13:10 +0100
  Re: [PATCH] KVM: x86: don't expose syscall/sysret to intel 32-bit guest Wanpeng Li <kernellwp@gmail.com> - 2015-11-25 13:50 +0100
    Re: [PATCH] KVM: x86: don't expose syscall/sysret to intel 32-bit  guest Paolo Bonzini <pbonzini@redhat.com> - 2015-11-25 14:30 +0100

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