From: Thomas Gleixner <tglx@linutronix.de>
To: Thomas Richter <tmricht@linux.ibm.com>,
linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org
Cc: Sven Schnelle <svens@linux.ibm.com>,
Peter Zijlstra <peterz@infradead.org>,
Andy Lutomirski <luto@kernel.org>
Subject: Re: [PATCH 1/2] entry: Rename arch_check_user_regs() to arch_enter_from_user_mode()
Date: Fri, 06 May 2022 21:38:02 +0200 [thread overview]
Message-ID: <87bkwah2p1.ffs@tglx> (raw)
In-Reply-To: <20220504062351.2954280-2-tmricht@linux.ibm.com>
On Wed, May 04 2022 at 08:23, Thomas Richter wrote:
> From: Sven Schnelle <svens@linux.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@linutronix.de>
> Cc: Peter Zijlstra <peterz@infradead.org>
> Cc: Andy Lutomirski <luto@kernel.org>
> Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
next prev parent reply other threads:[~2022-05-06 19:38 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-04 6:23 [PATCH 0/2] s390/pai: Add support for Processor Activity Instrumentation Thomas Richter
2022-05-04 6:23 ` [PATCH 1/2] entry: Rename arch_check_user_regs() to arch_enter_from_user_mode() Thomas Richter
2022-05-06 19:31 ` Peter Zijlstra
2022-05-09 6:20 ` Sven Schnelle
2022-05-09 7:08 ` Peter Zijlstra
2022-05-09 9:55 ` Heiko Carstens
2022-05-06 19:38 ` Thomas Gleixner [this message]
2022-05-06 19:49 ` Heiko Carstens
2022-05-06 21:55 ` Thomas Gleixner
2022-05-04 6:23 ` [PATCH 2/2] s390/pai: Add support for cryptography counters Thomas Richter
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