linux-kernel - Re: [PATCH] arm64/crypto: fix makefile rule for aes-glue-%.o

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Date:	Thu, 24 Jul 2014 18:12:25 +0200
From:	Sam Ravnborg <sam@...nborg.org>
To:	Ard Biesheuvel <ard.biesheuvel@...aro.org>
Cc:	Andreas Schwab <schwab@...e.de>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] arm64/crypto: fix makefile rule for aes-glue-%.o

On Thu, Jul 24, 2014 at 04:24:48PM +0200, Ard Biesheuvel wrote:
> On 24 July 2014 16:18, Ard Biesheuvel <ard.biesheuvel@...aro.org> wrote:
> > On 24 July 2014 15:40, Andreas Schwab <schwab@...e.de> wrote:
> >> Ard Biesheuvel <ard.biesheuvel@...aro.org> writes:
> >>
> >>> On 24 July 2014 15:26, Andreas Schwab <schwab@...e.de> wrote:
> >>>> You are not using CONFIG_MODVERSIONS.
> >>>>
> >>>
> >>> I am
> >>
> >> No, you aren't, since you say that your .cmd contains a command to
> >> create aes-glue-ce.o, which with CONFIG_MODVERSIONS it doesn't.
> >>
> >
> > OK, you're right, it contains a command to create .tmp_aes-glue-ce.o.
> > But I am still not seeing the error you are seeing, strangely enough.
> 
> OK, now I am seeing it.
> 
> Acked-by: Ard Biesheuvel <ard.biesheuvel@...aro.org>

Jumping in the end of the thread here - sorry for that.

Another way to solve this would be to create two
small wrapper files:
aes-glue-neon.c - which include aes-glue.c
aes-glue-ce.c that include aes-glue.c

Then you could use standard kbuild support for building your module.
And we will not potentially break it when we change cc_o_c in the near future.

	Sam
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