Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 0630CC433CB
Reply-To: <bcain@codeaurora.org>
From:   "Brian Cain" <bcain@codeaurora.org>
To:     "'Thomas Gleixner'" <tglx@linutronix.de>,
        "'LKML'" <linux-kernel@vger.kernel.org>
Cc:     "'Peter Zijlstra'" <peterz@infradead.org>,
        "'Ingo Molnar'" <mingo@kernel.org>,
        "'Sebastian Siewior'" <bigeasy@linutronix.de>,
        "'Linus Torvalds'" <torvalds@linux-foundation.org>,
        "'Joel Fernandes'" <joel@joelfernandes.org>,
        "'Oleg Nesterov'" <oleg@redhat.com>,
        "'Davidlohr Bueso'" <dave@stgolabs.net>,
        "'kbuild test robot'" <lkp@intel.com>,
        <linux-hexagon@vger.kernel.org>,
        "'Logan Gunthorpe'" <logang@deltatee.com>,
        "'Bjorn Helgaas'" <bhelgaas@google.com>,
        "'Kurt Schwemmer'" <kurt.schwemmer@microsemi.com>,
        <linux-pci@vger.kernel.org>,
        "'Greg Kroah-Hartman'" <gregkh@linuxfoundation.org>,
        "'Felipe Balbi'" <balbi@kernel.org>, <linux-usb@vger.kernel.org>,
        "'Kalle Valo'" <kvalo@codeaurora.org>,
        "'David S. Miller'" <davem@davemloft.net>,
        <linux-wireless@vger.kernel.org>, <netdev@vger.kernel.org>,
        "'Darren Hart'" <dvhart@infradead.org>,
        "'Andy Shevchenko'" <andy@infradead.org>,
        <platform-driver-x86@vger.kernel.org>,
        "'Zhang Rui'" <rui.zhang@intel.com>,
        "'Rafael J. Wysocki'" <rafael.j.wysocki@intel.com>,
        <linux-pm@vger.kernel.org>, "'Len Brown'" <lenb@kernel.org>,
        <linux-acpi@vger.kernel.org>, "'Nick Hu'" <nickhu@andestech.com>,
        "'Greentime Hu'" <green.hu@gmail.com>,
        "'Vincent Chen'" <deanbo422@gmail.com>,
        "'Guo Ren'" <guoren@kernel.org>, <linux-csky@vger.kernel.org>,
        "'Tony Luck'" <tony.luck@intel.com>,
        "'Fenghua Yu'" <fenghua.yu@intel.com>,
        <linux-ia64@vger.kernel.org>, "'Michal Simek'" <monstr@monstr.eu>,
        "'Michael Ellerman'" <mpe@ellerman.id.au>,
        "'Arnd Bergmann'" <arnd@arndb.de>,
        "'Geoff Levand'" <geoff@infradead.org>,
        <linuxppc-dev@lists.ozlabs.org>,
        "'Paul E . McKenney'" <paulmck@kernel.org>,
        "'Jonathan Corbet'" <corbet@lwn.net>,
        "'Randy Dunlap'" <rdunlap@infradead.org>,
        "'Davidlohr Bueso'" <dbueso@suse.de>
References: <20200321112544.878032781@linutronix.de> <20200321113241.531525286@linutronix.de>
In-Reply-To: <20200321113241.531525286@linutronix.de>
Subject: RE: [patch V3 08/20] hexagon: Remove mm.h from asm/uaccess.h
Date:   Mon, 23 Mar 2020 16:46:17 -0500
Message-ID: <0cc301d6015c$7e756490$7b602db0$@codeaurora.org>
MIME-Version: 1.0
Content-Type: text/plain;
        charset="UTF-8"
Content-Transfer-Encoding: 7bit
Content-Language: en-us
Thread-Index: AQHqwg4Cse+u7XkWseF638AEhQYwggGRIliZqCCrVyA=
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

> -----Original Message-----
> From: Thomas Gleixner <tglx@linutronix.de>
...
> Subject: [patch V3 08/20] hexagon: Remove mm.h from asm/uaccess.h
> 
> From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
> 
> The defconfig compiles without linux/mm.h. With mm.h included the include
> chain leands to:
> |   CC      kernel/locking/percpu-rwsem.o
> | In file included from include/linux/huge_mm.h:8,
> |                  from include/linux/mm.h:567,
> |                  from arch/hexagon/include/asm/uaccess.h:,
> |                  from include/linux/uaccess.h:11,
> |                  from include/linux/sched/task.h:11,
> |                  from include/linux/sched/signal.h:9,
> |                  from include/linux/rcuwait.h:6,
> |                  from include/linux/percpu-rwsem.h:8,
> |                  from kernel/locking/percpu-rwsem.c:6:
> | include/linux/fs.h:1422:29: error: array type has incomplete element type
> 'struct percpu_rw_semaphore'
> |  1422 |  struct percpu_rw_semaphore rw_sem[SB_FREEZE_LEVELS];
> 
> once rcuwait.h includes linux/sched/signal.h.
> 
> Remove the linux/mm.h include.
> 
> Reported-by: kbuild test robot <lkp@intel.com>
> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
> Cc: Brian Cain <bcain@codeaurora.org>
> Cc: linux-hexagon@vger.kernel.org
> ---
> V3: New patch
> ---
>  arch/hexagon/include/asm/uaccess.h | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/arch/hexagon/include/asm/uaccess.h
> b/arch/hexagon/include/asm/uaccess.h
> index 00cb38faad0c4..c1019a736ff13 100644
> --- a/arch/hexagon/include/asm/uaccess.h
> +++ b/arch/hexagon/include/asm/uaccess.h
> @@ -10,7 +10,6 @@
>  /*
>   * User space memory access functions
>   */
> -#include <linux/mm.h>
>  #include <asm/sections.h>
> 
>  /*
> --
> 2.26.0.rc2
> 

Acked-by: Brian Cain <bcain@codeaurora.org>