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

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Message-ID: <87bkwah2p1.ffs@tglx>
Date:   Fri, 06 May 2022 21:38:02 +0200
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Thomas Richter <tmricht@...ux.ibm.com>,
        linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org
Cc:     Sven Schnelle <svens@...ux.ibm.com>,
        Peter Zijlstra <peterz@...radead.org>,
        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, 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>

Reviewed-by: Thomas Gleixner <tglx@...utronix.de>