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Date:   Thu, 9 Nov 2017 12:12:42 +0100
From:   Arnd Bergmann <arnd@...db.de>
To:     Ricardo Neri <ricardo.neri-calderon@...ux.intel.com>
Cc:     Ingo Molnar <mingo@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        "H. Peter Anvin" <hpa@...or.com>,
        Andy Lutomirski <luto@...nel.org>,
        Borislav Petkov <bp@...e.de>,
        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>,
        "Ravi V. Shankar" <ravi.v.shankar@...el.com>,
        Shuah Khan <shuah@...nel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "the arch/x86 maintainers" <x86@...nel.org>,
        ricardo.neri@...el.com,
        Adam Buchbinder <adam.buchbinder@...il.com>,
        Colin Ian King <colin.king@...onical.com>,
        Lorenzo Stoakes <lstoakes@...il.com>,
        Qiaowei Ren <qiaowei.ren@...el.com>,
        Arnaldo Carvalho de Melo <acme@...hat.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Kees Cook <keescook@...omium.org>,
        Thomas Garnier <thgarnie@...gle.com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Josh Poimboeuf <jpoimboe@...hat.com>
Subject: Re: [PATCH v10 13/18] x86/insn-eval: Add utility functions to get
 segment selector

On Fri, Oct 27, 2017 at 10:25 PM, Ricardo Neri
<ricardo.neri-calderon@...ux.intel.com> wrote:

> diff --git a/arch/x86/include/asm/inat.h b/arch/x86/include/asm/inat.h
> index 02aff08..1c78580 100644
> --- a/arch/x86/include/asm/inat.h
> +++ b/arch/x86/include/asm/inat.h
> @@ -97,6 +97,16 @@
>  #define INAT_MAKE_GROUP(grp)   ((grp << INAT_GRP_OFFS) | INAT_MODRM)
>  #define INAT_MAKE_IMM(imm)     (imm << INAT_IMM_OFFS)
>
> +/* Identifiers for segment registers */
> +#define INAT_SEG_REG_IGNORE    0
> +#define INAT_SEG_REG_DEFAULT   1
> +#define INAT_SEG_REG_CS                2
> +#define INAT_SEG_REG_SS                3
> +#define INAT_SEG_REG_DS                4
> +#define INAT_SEG_REG_ES                5
> +#define INAT_SEG_REG_FS                6
> +#define INAT_SEG_REG_GS                7
> +

linux-next still reports a warning because of this change:

Warning: synced file at 'tools/objtool/arch/x86/include/asm/inat.h'
differs from latest kernel version at 'arch/x86/include/asm/inat.h'

Should the same change be applied to the objtool file in the
tip:x86/mpx branch?

       Arnd

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