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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>,
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	"'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>,
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	"'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>
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> (raw)
In-Reply-To: <20200321113241.531525286@linutronix.de>

> -----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>

  reply index

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-21 11:25 [patch V3 00/20] Lock ordering documentation and annotation for lockdep Thomas Gleixner
2020-03-21 11:25 ` [patch V3 01/20] PCI/switchtec: Fix init_completion race condition with poll_wait() Thomas Gleixner
2020-03-21 11:25 ` [patch V3 02/20] pci/switchtec: Replace completion wait queue usage for poll Thomas Gleixner
2020-03-21 11:25 ` [patch V3 03/20] usb: gadget: Use completion interface instead of open coding it Thomas Gleixner
2020-03-25  8:37   ` Felipe Balbi
2020-03-27 12:14     ` Sebastian Siewior
2020-03-21 11:25 ` [patch V3 04/20] orinoco_usb: Use the regular completion interfaces Thomas Gleixner
2020-03-21 11:25 ` [patch V3 05/20] acpi: Remove header dependency Thomas Gleixner
2020-03-21 11:25 ` [patch V3 06/20] nds32: Remove mm.h from asm/uaccess.h Thomas Gleixner
2020-03-21 11:25 ` [patch V3 07/20] csky: " Thomas Gleixner
2020-03-21 11:25 ` [patch V3 08/20] hexagon: " Thomas Gleixner
2020-03-23 21:46   ` Brian Cain [this message]
2020-03-21 11:25 ` [patch V3 09/20] ia64: " Thomas Gleixner
2020-03-21 11:25 ` [patch V3 10/20] microblaze: " Thomas Gleixner
2020-03-21 11:25 ` [patch V3 11/20] rcuwait: Add @state argument to rcuwait_wait_event() Thomas Gleixner
2020-03-21 11:25 ` [patch V3 12/20] powerpc/ps3: Convert half completion to rcuwait Thomas Gleixner
2020-03-21 13:22   ` Thomas Gleixner
2020-03-27 19:14   ` Geoff Levand
2020-03-21 11:25 ` [patch V3 13/20] Documentation: Add lock ordering and nesting documentation Thomas Gleixner
2020-03-23  2:55   ` Paul E. McKenney
2020-03-24 23:13     ` Thomas Gleixner
2020-03-25  0:28       ` Paul E. McKenney
2020-03-25 12:27         ` Documentation/locking/locktypes: Further clarifications and wordsmithing Thomas Gleixner
2020-03-25 16:02           ` Sebastian Siewior
2020-03-25 16:39             ` Paul E. McKenney
2020-03-25 16:54               ` Sebastian Siewior
2020-03-25 16:58           ` [PATCH v2] Documentation/locking/locktypes: minor copy editor fixes Randy Dunlap
2020-03-26  2:40             ` Paul E. McKenney
2020-03-21 11:25 ` [patch V3 14/20] timekeeping: Split jiffies seqlock Thomas Gleixner
2020-03-21 11:25 ` [patch V3 15/20] sched/swait: Prepare usage in completions Thomas Gleixner
2020-03-21 11:26 ` [patch V3 16/20] completion: Use simple wait queues Thomas Gleixner
2020-03-23 15:20   ` [PATCH] completion: Use lockdep_assert_RT_in_threaded_ctx() in complete_all() Sebastian Siewior
2020-03-21 11:26 ` [patch V3 17/20] lockdep: Introduce wait-type checks Thomas Gleixner
2020-03-21 11:26 ` [patch V3 18/20] lockdep: Add hrtimer context tracing bits Thomas Gleixner
2020-03-21 11:26 ` [patch V3 19/20] lockdep: Annotate irq_work Thomas Gleixner
2020-03-21 11:26 ` [patch V3 20/20] lockdep: Add posixtimer context tracing bits Thomas Gleixner
2020-03-21 17:19 ` [patch V3 00/20] Lock ordering documentation and annotation for lockdep Davidlohr Bueso
2020-03-21 17:45   ` Thomas Gleixner

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