RE: [patch V3 08/20] hexagon: Remove mm.h from asm/uaccess.h

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> -----Original Message-----
> From: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
...
> Subject: [patch V3 08/20] hexagon: Remove mm.h from asm/uaccess.h
> 
> From: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
> 
> 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@xxxxxxxxx>
> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
> Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> Cc: Brian Cain <bcain@xxxxxxxxxxxxxx>
> Cc: linux-hexagon@xxxxxxxxxxxxxxx
> ---
> 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@xxxxxxxxxxxxxx>



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