From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andi Kleen <ak@linux.intel.com>
Subject: Re: [PATCH v6 2/5] KVM: x86: Add IBPB support
Date: Thu, 15 Feb 2018 20:22:09 -0800
Message-ID: <20180216042209.GB3231@tassilo.jf.intel.com>
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Cc: KarimAllah Ahmed <karahmed@amazon.de>,
        kvm list <kvm@vger.kernel.org>,
        LKML <linux-kernel@vger.kernel.org>,
        the arch/x86 maintainers <x86@kernel.org>,
        Ashok Raj <ashok.raj@intel.com>,
        Asit Mallick <asit.k.mallick@intel.com>,
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        Arjan Van De Ven <arjan.van.de.ven@intel.com>,
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        Jun Nakajima <jun.nakajima@intel.com>,
        Andy Lutomirski <luto@kernel.org>,
        Greg KH <gregkh@linuxfoundation.org>,
        Paolo Bonzini <pbonzini@redhat.com>,
        Peter Zijlstra <peterz@infradead.org>,
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To: Jim Mattson <jmattson@google.com>
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> > +               wrmsrl(MSR_IA32_PRED_CMD, PRED_CMD_IBPB);
> 
> Should this be wrmsrl_safe? I don't see where we've verified host
> support of this MSR.

In mainline all wrmsr are wrmsrl_safe now.

-Andi