From: Liran Alon <liran.alon@oracle.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
Sean Christopherson <sean.j.christopherson@intel.com>,
Jim Mattson <jmattson@google.com>,
Krish Sadhukhan <krish.sadhukhan@oracle.com>
Subject: Re: [PATCH] KVM: nVMX: cleanup and fix host 64-bit mode checks
Date: Thu, 26 Sep 2019 14:31:04 +0300 [thread overview]
Message-ID: <63797A78-1645-4A7E-970B-62C9A580B71B@oracle.com> (raw)
In-Reply-To: <1569429286-35157-1-git-send-email-pbonzini@redhat.com>
> On 25 Sep 2019, at 19:34, Paolo Bonzini <pbonzini@redhat.com> wrote:
>
> KVM was incorrectly checking vmcs12->host_ia32_efer even if the "load
> IA32_EFER" exit control was reset. Also, some checks were not using
> the new CC macro for tracing.
>
> Cleanup everything so that the vCPU's 64-bit mode is determined
> directly from EFER_LMA and the VMCS checks are based on that, which
> matches section 26.2.4 of the SDM.
>
> Cc: Sean Christopherson <sean.j.christopherson@intel.com>
> Cc: Jim Mattson <jmattson@google.com>
> Cc: Krish Sadhukhan <krish.sadhukhan@oracle.com>
> Fixes: 5845038c111db27902bc220a4f70070fe945871c
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> —
Reviewed-by: Liran Alon <liran.alon@oracle.com>
prev parent reply other threads:[~2019-09-26 11:31 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-25 16:34 [PATCH] KVM: nVMX: cleanup and fix host 64-bit mode checks Paolo Bonzini
2019-09-25 16:47 ` Jim Mattson
2019-09-25 23:55 ` Krish Sadhukhan
2019-09-26 8:42 ` Paolo Bonzini
2019-09-26 11:31 ` Liran Alon [this message]
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