From: Sean Christopherson <sean.j.christopherson@intel.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: Like Xu <like.xu@linux.intel.com>,
kvm@vger.kernel.org, Wanpeng Li <wanpengli@tencent.com>,
Jim Mattson <jmattson@google.com>,
Vitaly Kuznetsov <vkuznets@redhat.com>,
Joerg Roedel <joro@8bytes.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] KVM/x86: pmu: Fix #GP condition check for RDPMC emulation
Date: Wed, 8 Jul 2020 08:45:20 -0700 [thread overview]
Message-ID: <20200708154520.GB22737@linux.intel.com> (raw)
In-Reply-To: <e285ccb3-29bd-dcb8-73d1-eeee11d72198@redhat.com>
On Wed, Jul 08, 2020 at 05:31:14PM +0200, Paolo Bonzini wrote:
> The order follows the SDM. I'm tempted to remove the CR0 check
> altogether, since non-protected-mode always runs at CPL0 AFAIK, but let's
> keep it close to what the manual says.
Heh, it wouldn't surprise me in the least if there's a way to get the SS
arbyte to hold a non-zero DPL in real mode :-).
next prev parent reply other threads:[~2020-07-08 15:45 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-08 7:44 [PATCH] KVM/x86: pmu: Fix #GP condition check for RDPMC emulation Like Xu
2020-07-08 15:18 ` Sean Christopherson
2020-07-08 15:31 ` Paolo Bonzini
2020-07-08 15:45 ` Sean Christopherson [this message]
2020-07-08 15:54 ` Paolo Bonzini
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