On Monday 12 March 2012, David Howells wrote:

Disintegrate asm/system.h for Hexagon.  Not compiled.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: linux-hexagon@vger.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