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Date:	Thu, 18 Feb 2016 11:15:37 +0100
From:	Ingo Molnar <mingo@...nel.org>
To:	Dave Hansen <dave@...1.net>
Cc:	linux-kernel@...r.kernel.org, linux-mm@...ck.org, x86@...nel.org,
	dave.hansen@...ux.intel.com, linux-mips@...ux-mips.org,
	linux-ia64@...r.kernel.org
Subject: Re: [PATCH] signals, ia64, mips: update arch-specific siginfos with
 pkeys field


* Dave Hansen <dave@...1.net> wrote:

> 
> This fixes a compile error that Ingo was hitting with MIPS when the
> x86 pkeys patch set is applied.
> 
> ia64 and mips have separate definitions for siginfo from the
> generic one.  Patch them to have the pkey fields.
> 
> Note that this is exactly what we did for MPX as well.
> 
> Signed-off-by: Dave Hansen <dave.hansen@...ux.intel.com>
> Cc: linux-mips@...ux-mips.org
> Cc: linux-ia64@...r.kernel.org
> ---
> 
>  b/arch/ia64/include/uapi/asm/siginfo.h |   13 +++++++++----
>  b/arch/mips/include/uapi/asm/siginfo.h |   13 +++++++++----
>  2 files changed, 18 insertions(+), 8 deletions(-)

This solved the MIPS and IA64 build problems, but there's still one bug left: UML 
does not build:

 /home/mingo/tip/mm/gup.c: In function ‘check_vma_flags’:
 /home/mingo/tip/mm/gup.c:456:2: error: implicit declaration of function ‘arch_vma_access_permitted’ [-Werror=implicit-function-declaration]
   if (!arch_vma_access_permitted(vma, write, false, foreign))
 [...]

Please send a delta patch for this too.

Thanks,

	Ingo

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