Re: [PATCH v3 kvmtool 07/13] arm/arm64: Kill the ARM_MAX_MEMORY() macro

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On Wed, 25 May 2022 12:23:39 +0100
Alexandru Elisei <alexandru.elisei@xxxxxxx> wrote:

> For 32-bit guests, the maximum memory size is represented by the define
> ARM_LOMAP_MAX_MEMORY, which ARM_MAX_MEMORY() returns.
> 
> For 64-bit guests, the RAM size is checked against the maximum allowed
> by KVM in kvm__get_vm_type().
> 
> There are no users left for the ARM_MAX_MEMORY() macro, remove it.
> 
> Signed-off-by: Alexandru Elisei <alexandru.elisei@xxxxxxx>

Reviewed-by: Andre Przywara <andre.przywara@xxxxxxx>

Thanks,
Andre

> ---
>  arm/aarch32/include/kvm/kvm-arch.h |  2 --
>  arm/aarch64/include/kvm/kvm-arch.h | 16 ----------------
>  2 files changed, 18 deletions(-)
> 
> diff --git a/arm/aarch32/include/kvm/kvm-arch.h b/arm/aarch32/include/kvm/kvm-arch.h
> index 5616b27e257e..467fb09175b8 100644
> --- a/arm/aarch32/include/kvm/kvm-arch.h
> +++ b/arm/aarch32/include/kvm/kvm-arch.h
> @@ -8,8 +8,6 @@
>  struct kvm;
>  static inline void kvm__arch_enable_mte(struct kvm *kvm) {}
>  
> -#define ARM_MAX_MEMORY(...)	ARM_LOMAP_MAX_MEMORY
> -
>  #define MAX_PAGE_SIZE	SZ_4K
>  
>  #include "arm-common/kvm-arch.h"
> diff --git a/arm/aarch64/include/kvm/kvm-arch.h b/arm/aarch64/include/kvm/kvm-arch.h
> index 9124f6919d0f..ff857ca6e7b4 100644
> --- a/arm/aarch64/include/kvm/kvm-arch.h
> +++ b/arm/aarch64/include/kvm/kvm-arch.h
> @@ -8,22 +8,6 @@ unsigned long long kvm__arch_get_kern_offset(struct kvm *kvm, int fd);
>  int kvm__arch_get_ipa_limit(struct kvm *kvm);
>  void kvm__arch_enable_mte(struct kvm *kvm);
>  
> -#define ARM_MAX_MEMORY(kvm)	({					\
> -	u64 max_ram;							\
> -									\
> -	if ((kvm)->cfg.arch.aarch32_guest) {				\
> -		max_ram = ARM_LOMAP_MAX_MEMORY;				\
> -	} else {							\
> -		int ipabits = kvm__arch_get_ipa_limit(kvm);		\
> -		if (ipabits <= 0)					\
> -			max_ram = ARM_HIMAP_MAX_MEMORY;			\
> -		else							\
> -			max_ram = (1ULL << ipabits) - ARM_MEMORY_AREA;	\
> -	}								\
> -									\
> -	max_ram;							\
> -})
> -
>  #define MAX_PAGE_SIZE	SZ_64K
>  
>  #include "arm-common/kvm-arch.h"

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