linux-kernel - Re: [PATCH v8 17/17] Documentation/x86/64: Add documentation for GS/FS addressing mode

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Date:   Fri, 27 Sep 2019 21:50:11 +0000
From:   "Bae, Chang Seok" <chang.seok.bae@...el.com>
To:     Randy Dunlap <rdunlap@...radead.org>
CC:     LKML <linux-kernel@...r.kernel.org>,
        "Shankar, Ravi V" <ravi.v.shankar@...el.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        "Borislav Petkov" <bp@...en8.de>,
        Andy Lutomirski <luto@...nel.org>,
        "H . Peter Anvin" <hpa@...or.com>,
        "Hansen, Dave" <dave.hansen@...el.com>,
        "Luck, Tony" <tony.luck@...el.com>,
        Andi Kleen <ak@...ux.intel.com>,
        Jonathan Corbet <corbet@....net>
Subject: Re: [PATCH v8 17/17] Documentation/x86/64: Add documentation for
 GS/FS addressing mode

> On Sep 27, 2019, at 14:25, Randy Dunlap <rdunlap@...radead.org> wrote:
> 
> Hi,
> Some doc comments/fixes below...
> 
> On 9/12/19 1:06 PM, Chang S. Bae wrote:
>> From: Thomas Gleixner <tglx@...utronix.de>
>> 

[snip]

>> +There exist two mechanisms to read and write the FS/FS base address:
> 
>                                                    FS/GS

[snip]

>> + The arch_prctl(2) based mechanism is available on all 64bit CPUs and all
> 
>                                                          64-bit

[snip]

>> +	mov %reg, %gs:offset
>> \ No newline at end of file
> oops.

Thanks. Let me include this in my v9 submission.

Chang