linux-kernel - Re: [PATCH v2 13/36] x86/ioport: add ksys_ioperm() helper; remove in-kernel calls to sys

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

Message-ID: <20180316084308.GB4151@infradead.org>
Date:   Fri, 16 Mar 2018 01:43:08 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Dominik Brodowski <linux@...inikbrodowski.net>
Cc:     linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
        viro@...iv.linux.org.uk, luto@...nel.org, mingo@...nel.org,
        akpm@...ux-foundation.org, arnd@...db.de,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Jiri Slaby <jslaby@...e.com>,
        x86@...nel.org
Subject: Re: [PATCH v2 13/36] x86/ioport: add ksys_ioperm() helper; remove
 in-kernel calls to sys_ioperm()

On Thu, Mar 15, 2018 at 08:05:06PM +0100, Dominik Brodowski wrote:
> Using this helper allows us to avoid the in-kernel calls to the sys_ioperm()
> syscall.

Why not do_ioperm or kernel_ioperm as for most other syscalls?