Re: [CFT PATCH v2 2/2] KVM: x86: support XSAVES usage in the host

[Radim KrÄmÃÅ]

2014-12-04 14:43+0100, Paolo Bonzini:
> On 03/12/2014 19:45, Radim KrÄmÃÅ wrote:
> > Btw, we don't care about crashers from userspace?
> 
> We do, but they're taken care of by
> 
>                 if (xstate_bv & ~kvm_supported_xcr0())
>                         return -EINVAL;
> 
> in kvm_vcpu_ioctl_x86_set_xsave.  kvm_supported_xcr0 is always a subset
> of host_xcr0, hence:

Ah, thanks.  (If this trend continues, I won't be able to hold even
bodily fluids after few more reviews ...)
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