linux-kernel - Re: [PATCH 1/2] entry: Rename arch_check_user_regs() to arch_enter_from_user

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]

Date:   Fri, 6 May 2022 21:31:22 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Thomas Richter <tmricht@...ux.ibm.com>
Cc:     linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org,
        Sven Schnelle <svens@...ux.ibm.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Andy Lutomirski <luto@...nel.org>
Subject: Re: [PATCH 1/2] entry: Rename arch_check_user_regs() to
 arch_enter_from_user_mode()

On Wed, May 04, 2022 at 08:23:50AM +0200, Thomas Richter wrote:
> From: Sven Schnelle <svens@...ux.ibm.com>
> 
> arch_check_user_regs() is used at the moment to verify that struct pt_regs
> contains valid values when entering the kernel from userspace. s390 needs
> a place in the generic entry code to modify a cpu data structure when
> switching from userspace to kernel mode. As arch_check_user_regs() is
> exactly this, rename it to arch_enter_from_user_mode().
> 
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: Peter Zijlstra <peterz@...radead.org>
> Cc: Andy Lutomirski <luto@...nel.org>
> Signed-off-by: Sven Schnelle <svens@...ux.ibm.com>
> ---

With the note that NMI doesn't (necessarily) call this..

Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>