Date: Sun, 7 Jan 2018 19:44:58 +0100
From: Borislav Petkov <bp@alien8.de>
To: Tim Chen <tim.c.chen@linux.intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
        Andy Lutomirski <luto@kernel.org>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Greg KH <gregkh@linuxfoundation.org>,
        Dave Hansen <dave.hansen@intel.com>,
        Andrea Arcangeli <aarcange@redhat.com>,
        Andi Kleen <ak@linux.intel.com>,
        Arjan Van De Ven <arjan.van.de.ven@intel.com>,
        David Woodhouse <dwmw@amazon.co.uk>,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 2/8] x86/enter: MACROS to set/clear IBRS
Message-ID: <20180107184458.lvu7mswc5q5dajoo@pd.tnic>
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On Sun, Jan 07, 2018 at 09:12:21AM -0800, Tim Chen wrote:
> Currently we are not using other bits.
> When the time comes that we have other bits in this MSR used, we will
> change this.

Then please write in a short comment above it that it is ok that the
previous MSR contents get overwritten.

-- 
Regards/Gruss,
    Boris.

Good mailing practices for 400: avoid top-posting and trim the reply.