linux-kernel - Re: [PATCH 10/35] Disintegrate asm/system.h for Hexagon [ver #2]

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Message-Id: <201203130916.15118.arnd@arndb.de>
Date:	Tue, 13 Mar 2012 09:16:14 +0000
From:	Arnd Bergmann <arnd@...db.de>
To:	David Howells <dhowells@...hat.com>
Cc:	paul.gortmaker@...driver.com, hpa@...or.com,
	torvalds@...ux-foundation.org, linux-kernel@...r.kernel.org,
	linux-arch@...r.kernel.org, linux-hexagon@...r.kernel.org
Subject: Re: [PATCH 10/35] Disintegrate asm/system.h for Hexagon [ver #2]

On Monday 12 March 2012, David Howells wrote:
> Disintegrate asm/system.h for Hexagon.  Not compiled.
> 
> Signed-off-by: David Howells <dhowells@...hat.com>
> cc: linux-hexagon@...r.kernel.org
> ---
> 
>  arch/hexagon/include/asm/atomic.h    |    1 
>  arch/hexagon/include/asm/barrier.h   |   41 +++++++++++
>  arch/hexagon/include/asm/bitops.h    |    1 
>  arch/hexagon/include/asm/cmpxchg.h   |   90 +++++++++++++++++++++++
>  arch/hexagon/include/asm/exec.h      |   28 +++++++
>  arch/hexagon/include/asm/switch_to.h |   34 +++++++++
>  arch/hexagon/include/asm/system.h    |  131 +---------------------------------
>  arch/hexagon/kernel/ptrace.c         |    1 
>  arch/hexagon/kernel/smp.c            |    1 
>  arch/hexagon/kernel/vm_events.c      |    1 
>  10 files changed, 199 insertions(+), 130 deletions(-)
>  create mode 100644 arch/hexagon/include/asm/barrier.h
>  create mode 100644 arch/hexagon/include/asm/cmpxchg.h
>  create mode 100644 arch/hexagon/include/asm/exec.h
>  create mode 100644 arch/hexagon/include/asm/switch_to.h

Looking at this example, it could easily use the asm-generic versions of
switch_to.h and barrier.h, but that would complicate the dependency chain
again.

I think the same is true for other platforms.

	Arnd

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