linux-kernel - [PATCH 3/5] hexagon: Remove mm.h from asm/uaccess.h

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Message-Id: <20200320094856.3453859-4-bigeasy@linutronix.de>
Date:   Fri, 20 Mar 2020 10:48:54 +0100
From:   Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:     tglx@...utronix.de
Cc:     arnd@...db.de, balbi@...nel.org, bhelgaas@...gle.com,
        bigeasy@...utronix.de, dave@...olabs.net, davem@...emloft.net,
        gregkh@...uxfoundation.org, joel@...lfernandes.org,
        kurt.schwemmer@...rosemi.com, kvalo@...eaurora.org,
        linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
        linux-usb@...r.kernel.org, linux-wireless@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org, logang@...tatee.com,
        mingo@...nel.org, mpe@...erman.id.au, netdev@...r.kernel.org,
        oleg@...hat.com, paulmck@...nel.org, peterz@...radead.org,
        rdunlap@...radead.org, rostedt@...dmis.org,
        torvalds@...ux-foundation.org, will@...nel.org,
        Brian Cain <bcain@...eaurora.org>,
        linux-hexagon@...r.kernel.org, kbuild test robot <lkp@...el.com>
Subject: [PATCH 3/5] hexagon: Remove mm.h from asm/uaccess.h

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.

Cc: Brian Cain <bcain@...eaurora.org>
Cc: linux-hexagon@...r.kernel.org
Reported-by: kbuild test robot <lkp@...el.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
---
 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