On Thu, Feb 22, 2018 at 12:33:20PM +0000, Marc Zyngier wrote:
> On 15/02/18 21:03, Christoffer Dall wrote:
> > The vgic-v2-sr.c file now only contains the logic to replay unaligned
> > accesses to the virtual CPU interface on 16K and 64K page systems, which
> > is only relevant on 64-bit platforms.  Therefore move this file to the
> > arm64 KVM tree, remove the compile directive from the 32-bit side
> > makefile, and remove the ifdef in the C file.
> > 
> > Reviewed-by: Andre Przywara <andre.przyw...@arm.com>
> > Signed-off-by: Christoffer Dall <christoffer.d...@linaro.org>
> > ---
> >  arch/arm/kvm/hyp/Makefile                         | 1 -
> >  arch/arm64/kvm/hyp/Makefile                       | 2 +-
> >  {virt/kvm/arm => arch/arm64/kvm}/hyp/vgic-v2-sr.c | 2 --
> >  3 files changed, 1 insertion(+), 4 deletions(-)
> >  rename {virt/kvm/arm => arch/arm64/kvm}/hyp/vgic-v2-sr.c (98%)
> > 
> > diff --git a/arch/arm/kvm/hyp/Makefile b/arch/arm/kvm/hyp/Makefile
> > index 5638ce0c9524..1964111c984a 100644
> > --- a/arch/arm/kvm/hyp/Makefile
> > +++ b/arch/arm/kvm/hyp/Makefile
> > @@ -7,7 +7,6 @@ ccflags-y += -fno-stack-protector -DDISABLE_BRANCH_PROFILING
> >  
> >  KVM=../../../../virt/kvm
> >  
> > -obj-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/hyp/vgic-v2-sr.o
> >  obj-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/hyp/vgic-v3-sr.o
> >  obj-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/hyp/timer-sr.o
> >  
> > diff --git a/arch/arm64/kvm/hyp/Makefile b/arch/arm64/kvm/hyp/Makefile
> > index f04400d494b7..7e8d41210288 100644
> > --- a/arch/arm64/kvm/hyp/Makefile
> > +++ b/arch/arm64/kvm/hyp/Makefile
> > @@ -7,10 +7,10 @@ ccflags-y += -fno-stack-protector 
> > -DDISABLE_BRANCH_PROFILING
> >  
> >  KVM=../../../../virt/kvm
> >  
> > -obj-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/hyp/vgic-v2-sr.o
> >  obj-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/hyp/vgic-v3-sr.o
> >  obj-$(CONFIG_KVM_ARM_HOST) += $(KVM)/arm/hyp/timer-sr.o
> >  
> > +obj-$(CONFIG_KVM_ARM_HOST) += vgic-v2-sr.o
> 
> How about renaming the file to vgic-v2-cpuif-proxy.c? It doesn't have
> anything to do with save/restore anymore...
> 

Yes, good idea.

> >  obj-$(CONFIG_KVM_ARM_HOST) += sysreg-sr.o
> >  obj-$(CONFIG_KVM_ARM_HOST) += debug-sr.o
> >  obj-$(CONFIG_KVM_ARM_HOST) += entry.o
> > diff --git a/virt/kvm/arm/hyp/vgic-v2-sr.c b/arch/arm64/kvm/hyp/vgic-v2-sr.c
> > similarity index 98%
> > rename from virt/kvm/arm/hyp/vgic-v2-sr.c
> > rename to arch/arm64/kvm/hyp/vgic-v2-sr.c
> > index 0bbafdfd4adb..97f357ea9c72 100644
> > --- a/virt/kvm/arm/hyp/vgic-v2-sr.c
> > +++ b/arch/arm64/kvm/hyp/vgic-v2-sr.c
> > @@ -23,7 +23,6 @@
> >  #include <asm/kvm_hyp.h>
> >  #include <asm/kvm_mmu.h>
> >  
> > -#ifdef CONFIG_ARM64
> >  /*
> >   * __vgic_v2_perform_cpuif_access -- perform a GICV access on behalf of the
> >   *                              guest.
> > @@ -77,4 +76,3 @@ int __hyp_text __vgic_v2_perform_cpuif_access(struct 
> > kvm_vcpu *vcpu)
> >  
> >     return 1;
> >  }
> > -#endif
> > 
> 
> Otherwise looks good.
> 
Thanks,
-Christoffer
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