diff options
| -rw-r--r-- | arch/s390/include/asm/kvm_host.h | 8 | ||||
| -rw-r--r-- | include/linux/kvm_host.h | 8 |
2 files changed, 16 insertions, 0 deletions
diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h index 3238d4004e8..e87ecaa2c56 100644 --- a/arch/s390/include/asm/kvm_host.h +++ b/arch/s390/include/asm/kvm_host.h @@ -274,6 +274,14 @@ struct kvm_arch{ int css_support; }; +#define KVM_HVA_ERR_BAD (-1UL) +#define KVM_HVA_ERR_RO_BAD (-2UL) + +static inline bool kvm_is_error_hva(unsigned long addr) +{ + return IS_ERR_VALUE(addr); +} + extern int sie64a(struct kvm_s390_sie_block *, u64 *); extern char sie_exit; #endif diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index c11c7686ae5..ca645a01d37 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -85,6 +85,12 @@ static inline bool is_noslot_pfn(pfn_t pfn) return pfn == KVM_PFN_NOSLOT; } +/* + * architectures with KVM_HVA_ERR_BAD other than PAGE_OFFSET (e.g. s390) + * provide own defines and kvm_is_error_hva + */ +#ifndef KVM_HVA_ERR_BAD + #define KVM_HVA_ERR_BAD (PAGE_OFFSET) #define KVM_HVA_ERR_RO_BAD (PAGE_OFFSET + PAGE_SIZE) @@ -93,6 +99,8 @@ static inline bool kvm_is_error_hva(unsigned long addr) return addr >= PAGE_OFFSET; } +#endif + #define KVM_ERR_PTR_BAD_PAGE (ERR_PTR(-ENOENT)) static inline bool is_error_page(struct page *page) |