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

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Date:   Fri, 6 May 2022 21:49:04 +0200
From:   Heiko Carstens <hca@...ux.ibm.com>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     Thomas Richter <tmricht@...ux.ibm.com>,
        linux-kernel@...r.kernel.org, linux-s390@...r.kernel.org,
        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 Fri, May 06, 2022 at 09:38:02PM +0200, Thomas Gleixner wrote:
> 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>

Is it ok for you if this gets routed via the s390 tree?