From: Greg KH <gregkh@linuxfoundation.org>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: stable@vger.kernel.org, rkrcmar@redhat.com
Subject: Re: [PATCH] KVM: x86: mask CPUID(0xD,0x1).EAX against host value
Date: Thu, 26 May 2016 09:36:26 -0700 [thread overview]
Message-ID: <20160526163626.GB13099@kroah.com> (raw)
In-Reply-To: <1464263046-40005-1-git-send-email-pbonzini@redhat.com>
On Thu, May 26, 2016 at 01:44:06PM +0200, Paolo Bonzini wrote:
> commit 316314cae15fb0e3869b76b468f59a0c83ac3d4e upstream.
>
> This ensures that the guest doesn't see XSAVE extensions
> (e.g. xgetbv1 or xsavec) that the host lacks.
>
> Cc: stable@vger.kernel.org
> Reviewed-by: Radim Krčmář <rkrcmar@redhat.com>
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
>
> Conflicts:
> arch/x86/kvm/cpuid.c
Why is this here?
>
> [4.5 does have CPUID_D_1_EAX, but earlier kernels don't, so use
> the numeric value. This is consistent with other occurrences
> of cpuid_mask in arch/x86/kvm/cpuid.c - Paolo]
What stable tree(s) do you want this applied to?
thanks,
greg k-h
next prev parent reply other threads:[~2016-05-26 16:36 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-26 11:44 [PATCH] KVM: x86: mask CPUID(0xD,0x1).EAX against host value Paolo Bonzini
2016-05-26 16:36 ` Greg KH [this message]
2016-05-26 16:51 ` Paolo Bonzini
-- strict thread matches above, loose matches on Subject: below --
2016-04-07 11:47 Paolo Bonzini
2016-04-07 14:40 ` Radim Krčmář
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