linux-kernel - Re: [PATCH] microblaze: fixes includes in sigcontext.h

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Message-ID: <CAPDOMVhJwEFvU1jsM5HZmXvLwSz1aj7bdF57JhKxHKmPfNGXUg@mail.gmail.com>
Date:	Thu, 3 Jul 2014 18:15:54 -0400
From:	Nick Krause <xerofoify@...il.com>
To:	David Rientjes <rientjes@...gle.com>
Cc:	monstr@...str.eu,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] microblaze: fixes includes in sigcontext.h

Very well ,
I guess this bug is outside my scope.
Cheers Nick

On Thu, Jul 3, 2014 at 6:14 PM, David Rientjes <rientjes@...gle.com> wrote:
> On Thu, 3 Jul 2014, Nick Krause wrote:
>
>> You may be right I don't have a compiler that supports microblaze therefore I
>> would suggest removing this FIXME message.
>
> The FIXME here is obviously stating that the code needs to be fixed so
> that it can include linux/ptrace.h rather than asm/ptrace.h since we want
> to include the former rather than the latter.  It doesn't imply, in any
> way, that you can just do the conversion without some due diligence
> (compilation) to ensure it works; otherwise it would have been including
> linux/ptrace.h since the beginning.
>
> It's bad practice to mess with per-arch header files for platforms that
> you cannot compile yourself.
>
>> Cheers Nick
>>
>> On Thu, Jul 3, 2014 at 5:57 PM, David Rientjes <rientjes@...gle.com> wrote:
>> > On Thu, 3 Jul 2014, Nicholas Krause wrote:
>> >
>> >> diff --git a/arch/microblaze/include/uapi/asm/sigcontext.h b/arch/microblaze/include/uapi/asm/sigcontext.h
>> >> index 55873c8..1180d9b 100644
>> >> --- a/arch/microblaze/include/uapi/asm/sigcontext.h
>> >> +++ b/arch/microblaze/include/uapi/asm/sigcontext.h
>> >> @@ -9,8 +9,7 @@
>> >>  #ifndef _ASM_MICROBLAZE_SIGCONTEXT_H
>> >>  #define _ASM_MICROBLAZE_SIGCONTEXT_H
>> >>
>> >> -/* FIXME should be linux/ptrace.h */
>> >> -#include <asm/ptrace.h>
>> >> +#include <linux/ptrace.h>
>> >>
>> >>  struct sigcontext {
>> >>       struct pt_regs regs;
>> >
>> > Umm, does this even compile?  How does sigcontext.h get the definition of
>> > struct pt_regs?  Seems like it would be better to just do a forward
>> > declaration.
>>
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