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Date:   Mon, 1 Apr 2019 09:33:52 +0200
From:   Borislav Petkov <bp@alien8.de>
To:     Paolo Bonzini <pbonzini@redhat.com>
Cc:     LKML <linux-kernel@vger.kernel.org>,
        Nadav Amit <nadav.amit@gmail.com>,
        Andy Lutomirski <luto@amacapital.net>,
        Peter Zijlstra <peterz@infradead.org>,
        "H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@redhat.com>,
        Joerg Roedel <joro@8bytes.org>, kvm@vger.kernel.org,
        Radim =?utf-8?B?S3LEjW3DocWZ?= <rkrcmar@redhat.com>,
        Thomas Gleixner <tglx@linutronix.de>, x86@kernel.org
Subject: Re: [PATCH 3/5] x86/kvm: Convert some slow-path static_cpu_has()
 callers to boot_cpu_has()
Message-ID: <20190401073352.GB28264@zn.tnic>
References: <20190330112022.28888-1-bp@alien8.de>
 <20190330112022.28888-4-bp@alien8.de>
 <2f71cb35-46b2-9ed5-28b3-c6eb5e647b46@redhat.com>
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On Mon, Apr 01, 2019 at 09:24:06AM +0200, Paolo Bonzini wrote:
> The MSR reads and writes are not done in the common case.  Also, you
> cannot really expect boot_cpu_data to be in L1 in these functions since
> they run after the guest---or if they do, each L1 line you fill in with
> host data is one line you "steal" from the guest.

Ok, fair enough. I'll drop this patch.

-- 
Regards/Gruss,
    Boris.

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