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

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Message-ID: <87fslmfhqx.ffs@tglx>
Date:   Fri, 06 May 2022 23:55:50 +0200
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Heiko Carstens <hca@...ux.ibm.com>
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 21:49, Heiko Carstens wrote:
> 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?

Sure.