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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