linux-kernel - Re: [patch 09/26] Xen-paravirt_ops: remove HAVE_ARCH_MM_LIFETIME, define no-op architecture implementations

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Date:	Tue, 27 Feb 2007 09:15:58 -0600
From:	James Bottomley <James.Bottomley@...elEye.com>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	Andi Kleen <ak@....de>, Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, virtualization@...ts.osdl.org,
	xen-devel@...ts.xensource.com, Chris Wright <chrisw@...s-sol.org>,
	Zachary Amsden <zach@...are.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	linux-arch@...r.kernel.org
Subject: Re: [patch 09/26] Xen-paravirt_ops: remove HAVE_ARCH_MM_LIFETIME,
	define no-op architecture implementations

On Tue, 2007-02-27 at 00:13 -0800, Jeremy Fitzhardinge wrote:
> plain text document attachment (kill-HAVE_ARCH_MM_LIFETIME.patch)
> akpm:
> > Can we lose __HAVE_ARCH_MM_LIFETIME?  Just define these (preferably in C,
> > not in cpp) in the appropriate include/asm-foo/ files?
> 
> Signed-off-by: Jeremy Fitzhardinge <jeremy@...source.com>
> Cc: linux-arch@...r.kernel.org
> 
> ---
>  include/asm-alpha/mmu_context.h     |    9 +++++++++
>  include/asm-arm/mmu_context.h       |    9 +++++++++
>  include/asm-arm26/mmu_context.h     |    9 +++++++++
>  include/asm-avr32/mmu_context.h     |    9 +++++++++
>  include/asm-cris/mmu_context.h      |    8 ++++++++
>  include/asm-frv/mmu_context.h       |    8 ++++++++
>  include/asm-h8300/mmu_context.h     |    8 ++++++++
>  include/asm-i386/mmu_context.h      |    2 +-
>  include/asm-i386/paravirt.h         |   18 +++++++++++++++---
>  include/asm-ia64/mmu_context.h      |    8 ++++++++
>  include/asm-m32r/mmu_context.h      |    8 ++++++++
>  include/asm-m68k/mmu_context.h      |    8 ++++++++
>  include/asm-m68knommu/mmu_context.h |    8 ++++++++
>  include/asm-mips/mmu_context.h      |    8 ++++++++
>  include/asm-parisc/mmu_context.h    |    9 +++++++++
>  include/asm-powerpc/mmu_context.h   |   10 ++++++++++
>  include/asm-ppc/mmu_context.h       |    9 +++++++++
>  include/asm-s390/mmu_context.h      |    8 ++++++++
>  include/asm-sh/mmu_context.h        |    8 ++++++++
>  include/asm-sh64/mmu_context.h      |    8 ++++++++
>  include/asm-sparc/mmu_context.h     |    8 ++++++++
>  include/asm-sparc64/mmu_context.h   |    8 ++++++++
>  include/asm-um/mmu_context.h        |    8 ++++++++
>  include/asm-v850/mmu_context.h      |    8 ++++++++
>  include/asm-x86_64/mmu_context.h    |    8 ++++++++
>  include/asm-xtensa/mmu_context.h    |    9 +++++++++
>  include/linux/sched.h               |    6 ------
>  mm/mmap.c                           |    1 +
>  28 files changed, 218 insertions(+), 10 deletions(-)

Wouldn't it be a lot easier to do this via asm-generic?

James


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