diff options
Diffstat (limited to 'arch/powerpc/kvm/book3s_64_vio_hv.c')
-rw-r--r-- | arch/powerpc/kvm/book3s_64_vio_hv.c | 20 |
1 files changed, 6 insertions, 14 deletions
diff --git a/arch/powerpc/kvm/book3s_64_vio_hv.c b/arch/powerpc/kvm/book3s_64_vio_hv.c index 5b298f5a1a14..506a4d400458 100644 --- a/arch/powerpc/kvm/book3s_64_vio_hv.c +++ b/arch/powerpc/kvm/book3s_64_vio_hv.c @@ -26,8 +26,8 @@ #include <linux/slab.h> #include <linux/hugetlb.h> #include <linux/list.h> +#include <linux/stringify.h> -#include <asm/tlbflush.h> #include <asm/kvm_ppc.h> #include <asm/kvm_book3s.h> #include <asm/book3s/64/mmu-hash.h> @@ -200,23 +200,19 @@ static long kvmppc_rm_tce_iommu_mapped_dec(struct kvm *kvm, { struct mm_iommu_table_group_mem_t *mem = NULL; const unsigned long pgsize = 1ULL << tbl->it_page_shift; - unsigned long *pua = IOMMU_TABLE_USERSPACE_ENTRY(tbl, entry); + __be64 *pua = IOMMU_TABLE_USERSPACE_ENTRY_RM(tbl, entry); if (!pua) /* it_userspace allocation might be delayed */ return H_TOO_HARD; - pua = (void *) vmalloc_to_phys(pua); - if (WARN_ON_ONCE_RM(!pua)) - return H_HARDWARE; - - mem = mm_iommu_lookup_rm(kvm->mm, *pua, pgsize); + mem = mm_iommu_lookup_rm(kvm->mm, be64_to_cpu(*pua), pgsize); if (!mem) return H_TOO_HARD; mm_iommu_mapped_dec(mem); - *pua = 0; + *pua = cpu_to_be64(0); return H_SUCCESS; } @@ -268,7 +264,7 @@ static long kvmppc_rm_tce_iommu_do_map(struct kvm *kvm, struct iommu_table *tbl, { long ret; unsigned long hpa = 0; - unsigned long *pua = IOMMU_TABLE_USERSPACE_ENTRY(tbl, entry); + __be64 *pua = IOMMU_TABLE_USERSPACE_ENTRY_RM(tbl, entry); struct mm_iommu_table_group_mem_t *mem; if (!pua) @@ -283,10 +279,6 @@ static long kvmppc_rm_tce_iommu_do_map(struct kvm *kvm, struct iommu_table *tbl, &hpa))) return H_HARDWARE; - pua = (void *) vmalloc_to_phys(pua); - if (WARN_ON_ONCE_RM(!pua)) - return H_HARDWARE; - if (WARN_ON_ONCE_RM(mm_iommu_mapped_inc(mem))) return H_CLOSED; @@ -303,7 +295,7 @@ static long kvmppc_rm_tce_iommu_do_map(struct kvm *kvm, struct iommu_table *tbl, if (dir != DMA_NONE) kvmppc_rm_tce_iommu_mapped_dec(kvm, tbl, entry); - *pua = ua; + *pua = cpu_to_be64(ua); return 0; } |