linux-kernel - Re: [PATCH v7 02/26] x86/mm: Relocate page fault error codes to traps.h

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Date:   Wed, 31 May 2017 20:09:30 -0700
From:   Ricardo Neri <ricardo.neri-calderon@...ux.intel.com>
To:     Borislav Petkov <bp@...e.de>
Cc:     Ingo Molnar <mingo@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        "H. Peter Anvin" <hpa@...or.com>,
        Andy Lutomirski <luto@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Brian Gerst <brgerst@...il.com>,
        Chris Metcalf <cmetcalf@...lanox.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Huang Rui <ray.huang@....com>, Jiri Slaby <jslaby@...e.cz>,
        Jonathan Corbet <corbet@....net>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        Paul Gortmaker <paul.gortmaker@...driver.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Chen Yucong <slaoub@...il.com>,
        Alexandre Julliard <julliard@...ehq.org>,
        Stas Sergeev <stsp@...t.ru>, Fenghua Yu <fenghua.yu@...el.com>,
        "Ravi V. Shankar" <ravi.v.shankar@...el.com>,
        Shuah Khan <shuah@...nel.org>, linux-kernel@...r.kernel.org,
        x86@...nel.org, linux-msdos@...r.kernel.org, wine-devel@...ehq.org,
        "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
        Josh Poimboeuf <jpoimboe@...hat.com>
Subject: Re: [PATCH v7 02/26] x86/mm: Relocate page fault error codes to
 traps.h

On Sat, 2017-05-27 at 12:13 +0200, Borislav Petkov wrote:
> On Fri, May 26, 2017 at 08:40:26PM -0700, Ricardo Neri wrote:
> > This change was initially intended to only rename the error codes,
> > without functional changes. Would making change be considered a
> change
> > in functionality?
> 
> How?
> 
> The before-and-after asm should be the identical.

Yes but it reads differently. I just wanted to double check. I will make
this change, which keeps functionality but is written differently.

Thanks and BR,
Ricardo