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Date:   Wed, 26 Sep 2018 15:18:56 +0200
From:   Borislav Petkov <bp@suse.de>
To:     "Lendacky, Thomas" <Thomas.Lendacky@amd.com>
Cc:     Baoquan He <bhe@redhat.com>, Kairui Song <kasong@redhat.com>,
        "Singh, Brijesh" <brijesh.singh@amd.com>,
        "x86@kernel.org" <x86@kernel.org>,
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        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        "mingo@redhat.com" <mingo@redhat.com>,
        "hpa@zytor.com" <hpa@zytor.com>,
        "tglx@linutronix.de" <tglx@linutronix.de>,
        "dyoung@redhat.com" <dyoung@redhat.com>
Subject: Re: [PATCH] x86/boot: Fix kexec booting failure after SEV early boot
 support
Message-ID: <20180926131856.GD6920@zn.tnic>
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On Wed, Sep 26, 2018 at 01:01:00PM +0000, Lendacky, Thomas wrote:
> No concern from me.  The original version of the patch did not cache the
> value, that was added based on the patch series feedback.  So, if there
> is no concern about executing some extra CPUID/RDMSR instructions, then
> it would certainly simplify the code quite a bit.

Yeah, I think it was me who suggested to cache it but having simpler
code greatly outweighs the minute caching win.

-- 
Regards/Gruss,
    Boris.

SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg)