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Message-ID: <20180216042209.GB3231@tassilo.jf.intel.com>
Date: Thu, 15 Feb 2018 20:22:09 -0800
From: Andi Kleen <ak@...ux.intel.com>
To: Jim Mattson <jmattson@...gle.com>
Cc: KarimAllah Ahmed <karahmed@...zon.de>,
kvm list <kvm@...r.kernel.org>,
LKML <linux-kernel@...r.kernel.org>,
the arch/x86 maintainers <x86@...nel.org>,
Ashok Raj <ashok.raj@...el.com>,
Asit Mallick <asit.k.mallick@...el.com>,
Dave Hansen <dave.hansen@...el.com>,
Arjan Van De Ven <arjan.van.de.ven@...el.com>,
Tim Chen <tim.c.chen@...ux.intel.com>,
Linus Torvalds <torvalds@...ux-foundation.org>,
Andrea Arcangeli <aarcange@...hat.com>,
Thomas Gleixner <tglx@...utronix.de>,
Dan Williams <dan.j.williams@...el.com>,
Jun Nakajima <jun.nakajima@...el.com>,
Andy Lutomirski <luto@...nel.org>,
Greg KH <gregkh@...uxfoundation.org>,
Paolo Bonzini <pbonzini@...hat.com>,
Peter Zijlstra <peterz@...radead.org>,
David Woodhouse <dwmw@...zon.co.uk>
Subject: Re: [PATCH v6 2/5] KVM: x86: Add IBPB support
> > + 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
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