linux-kernel - Re: [PATCH v4 04/13] x86/fsgsbase/64: Add intrinsics/macros for FSGSBASE instructions

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <0E0B43A0-76AC-440B-A592-F4940C1028CF@intel.com>
Date:   Thu, 17 Jan 2019 18:04:52 +0000
From:   "Bae, Chang Seok" <chang.seok.bae@...el.com>
To:     Andi Kleen <ak@...ux.intel.com>
CC:     Andy Lutomirski <luto@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...nel.org>,
        "H . Peter Anvin" <hpa@...or.com>,
        "Dave Hansen" <dave.hansen@...ux.intel.com>,
        "Metzger, Markus T" <markus.t.metzger@...el.com>,
        "Shankar, Ravi V" <ravi.v.shankar@...el.com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 04/13] x86/fsgsbase/64: Add intrinsics/macros for
 FSGSBASE instructions


> On Jan 16, 2019, at 21:09, Andi Kleen <ak@...ux.intel.com> wrote:
> 
>> +#ifdef CONFIG_X86_64
>> +
>> +#include <asm/inst.h>
>> +
>> +.macro RDGSBASE opd
> 
> The caller can now use the assembler instructions directly, so the macros
> are not needed anymore.
> 
> -Andi

Yeah, you’re right, since GAS is included in the binutils.

Thanks