[PATCH v3 0/2] ARM: KVM: Moving GIC/timer out of arch/arm

Gleb Natapov gleb at redhat.com
Sun May 19 08:14:38 EDT 2013


On Tue, May 14, 2013 at 02:31:00PM +0100, Marc Zyngier wrote:
> As KVM/arm64 is looming on the horizon, it makes sense to move some
> of the common code to a single location in order to reduce duplication.
> 
> The code could live anywhere. Actually, most of KVM is already built
> with a bunch of ugly ../../.. hacks in the various Makefiles, so we're
> not exactly talking about style here. But maybe it is time to start
> moving into a less ugly direction.
> 
> The include files must be in a "public" location, as they are accessed
> from non-KVM files (arch/arm/kernel/asm-offsets.c).
> 
> For this purpose, introduce two new locations:
> - virt/kvm/arm/ : x86 and ia64 already share the ioapic code in
>   virt/kvm, so this could be seen as a (very ugly) precedent.
> - include/kvm/  : there is already an include/xen, and while the
>   intent is slightly different, this seems as good a location as
>   any
> 
> A second, tree-wide patch also removes the use of the addprefix used
> to refer to the main KVM code from the arch code, and replace it with
> a KVM variable that does the same thing.
> 
> * From v2:
>   - Fix silly bug breaking compilation on x86...
> 
Applied, thanks.

> Marc Zyngier (2):
>   ARM: KVM: move GIC/timer code to a common location
>   KVM: get rid of $(addprefix ../../../virt/kvm/, ...) in Makefiles
> 
>  arch/arm/include/asm/kvm_host.h                             |  4 ++--
>  arch/arm/kvm/Makefile                                       |  7 ++++---
>  arch/ia64/kvm/Makefile                                      |  7 ++++---
>  arch/powerpc/kvm/Makefile                                   | 13 +++++++------
>  arch/s390/kvm/Makefile                                      |  3 ++-
>  arch/x86/kvm/Makefile                                       | 13 +++++++------
>  .../asm/kvm_arch_timer.h => include/kvm/arm_arch_timer.h    |  0
>  arch/arm/include/asm/kvm_vgic.h => include/kvm/arm_vgic.h   |  0
>  {arch/arm/kvm => virt/kvm/arm}/arch_timer.c                 |  4 ++--
>  {arch/arm/kvm => virt/kvm/arm}/vgic.c                       |  0
>  10 files changed, 28 insertions(+), 23 deletions(-)
>  rename arch/arm/include/asm/kvm_arch_timer.h => include/kvm/arm_arch_timer.h (100%)
>  rename arch/arm/include/asm/kvm_vgic.h => include/kvm/arm_vgic.h (100%)
>  rename {arch/arm/kvm => virt/kvm/arm}/arch_timer.c (99%)
>  rename {arch/arm/kvm => virt/kvm/arm}/vgic.c (100%)
> 
> -- 
> 1.8.2.3
> 
> 
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--
			Gleb.



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