linux-kernel - Re: [PATCH] Re: tools/liblockdep: Build failure

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Message-ID: <20140401103401.GE10429@bigoook.brq.redhat.com>
Date:	Tue, 1 Apr 2014 12:34:01 +0200
From:	Robin Hack <rhack@...hat.com>
To:	ak@...ux.intel.com, sasha.levin@...cle.com,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Re: tools/liblockdep: Build failure

Patch is wrong.
On Tue, Apr 01, 2014 at 12:21:59PM +0200, Robin Hack wrote:
> From: Robin Hack <rhack@...hat.com>
> Copy asmlinkage macro to lockdep/uinclude/linux/linkage.h.
> 
> diff --git a/tools/lib/lockdep/uinclude/linux/linkage.h b/tools/lib/lockdep/uinclude/linux/linkage.h
> index fab00ff..6799a5b 100644
> --- a/tools/lib/lockdep/uinclude/linux/linkage.h
> +++ b/tools/lib/lockdep/uinclude/linux/linkage.h
> @@ -1,3 +1,19 @@
> +#ifndef _LOCKDEP_ULINKAGE_H
> +#define _LOCKDEP_ULINKAGE_H
>  
> -/* empty file */
> +#if GCC_VERSION >= 40600
> +/*
> + * Tell the optimizer that something else uses this function or variable.
> + */
> +#define __visible __attribute__((externally_visible))
> +#else
> +#define __visible
> +#endif
>  
> +#define CPP_ASMLINKAGE __visible
> +
> +#ifndef asmlinkage
> +#define asmlinkage CPP_ASMLINKAGE
> +#endif
> +
> +#endif
> 
> --
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