From 09170a49422bd786be3eac5cec1955257c5a34b7 Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Mon, 18 May 2015 13:59:39 +0200 Subject: KVM: const-ify uses of struct kvm_userspace_memory_region Architecture-specific helpers are not supposed to muck with struct kvm_userspace_memory_region contents. Add const to enforce this. In order to eliminate the only write in __kvm_set_memory_region, the cleaning of deleted slots is pulled up from update_memslots to __kvm_set_memory_region. Reviewed-by: Takuya Yoshikawa Reviewed-by: Radim Krcmar Signed-off-by: Paolo Bonzini --- arch/powerpc/include/asm/kvm_ppc.h | 8 ++++---- arch/powerpc/kvm/book3s.c | 4 ++-- arch/powerpc/kvm/book3s_hv.c | 4 ++-- arch/powerpc/kvm/book3s_pr.c | 4 ++-- arch/powerpc/kvm/booke.c | 4 ++-- arch/powerpc/kvm/powerpc.c | 4 ++-- 6 files changed, 14 insertions(+), 14 deletions(-) (limited to 'arch/powerpc') diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h index b8475daad884..aff563b5f001 100644 --- a/arch/powerpc/include/asm/kvm_ppc.h +++ b/arch/powerpc/include/asm/kvm_ppc.h @@ -182,9 +182,9 @@ extern int kvmppc_core_create_memslot(struct kvm *kvm, unsigned long npages); extern int kvmppc_core_prepare_memory_region(struct kvm *kvm, struct kvm_memory_slot *memslot, - struct kvm_userspace_memory_region *mem); + const struct kvm_userspace_memory_region *mem); extern void kvmppc_core_commit_memory_region(struct kvm *kvm, - struct kvm_userspace_memory_region *mem, + const struct kvm_userspace_memory_region *mem, const struct kvm_memory_slot *old); extern int kvm_vm_ioctl_get_smmu_info(struct kvm *kvm, struct kvm_ppc_smmu_info *info); @@ -243,9 +243,9 @@ struct kvmppc_ops { void (*flush_memslot)(struct kvm *kvm, struct kvm_memory_slot *memslot); int (*prepare_memory_region)(struct kvm *kvm, struct kvm_memory_slot *memslot, - struct kvm_userspace_memory_region *mem); + const struct kvm_userspace_memory_region *mem); void (*commit_memory_region)(struct kvm *kvm, - struct kvm_userspace_memory_region *mem, + const struct kvm_userspace_memory_region *mem, const struct kvm_memory_slot *old); int (*unmap_hva)(struct kvm *kvm, unsigned long hva); int (*unmap_hva_range)(struct kvm *kvm, unsigned long start, diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c index 453a8a47a467..60aa0726dccc 100644 --- a/arch/powerpc/kvm/book3s.c +++ b/arch/powerpc/kvm/book3s.c @@ -757,13 +757,13 @@ void kvmppc_core_flush_memslot(struct kvm *kvm, struct kvm_memory_slot *memslot) int kvmppc_core_prepare_memory_region(struct kvm *kvm, struct kvm_memory_slot *memslot, - struct kvm_userspace_memory_region *mem) + const struct kvm_userspace_memory_region *mem) { return kvm->arch.kvm_ops->prepare_memory_region(kvm, memslot, mem); } void kvmppc_core_commit_memory_region(struct kvm *kvm, - struct kvm_userspace_memory_region *mem, + const struct kvm_userspace_memory_region *mem, const struct kvm_memory_slot *old) { kvm->arch.kvm_ops->commit_memory_region(kvm, mem, old); diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index 6aff5a990492..ed493d123268 100644 --- a/arch/powerpc/kvm/book3s_hv.c +++ b/arch/powerpc/kvm/book3s_hv.c @@ -2376,13 +2376,13 @@ static int kvmppc_core_create_memslot_hv(struct kvm_memory_slot *slot, static int kvmppc_core_prepare_memory_region_hv(struct kvm *kvm, struct kvm_memory_slot *memslot, - struct kvm_userspace_memory_region *mem) + const struct kvm_userspace_memory_region *mem) { return 0; } static void kvmppc_core_commit_memory_region_hv(struct kvm *kvm, - struct kvm_userspace_memory_region *mem, + const struct kvm_userspace_memory_region *mem, const struct kvm_memory_slot *old) { unsigned long npages = mem->memory_size >> PAGE_SHIFT; diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c index c01dfc798c66..0873e766df1b 100644 --- a/arch/powerpc/kvm/book3s_pr.c +++ b/arch/powerpc/kvm/book3s_pr.c @@ -1573,13 +1573,13 @@ static void kvmppc_core_flush_memslot_pr(struct kvm *kvm, static int kvmppc_core_prepare_memory_region_pr(struct kvm *kvm, struct kvm_memory_slot *memslot, - struct kvm_userspace_memory_region *mem) + const struct kvm_userspace_memory_region *mem) { return 0; } static void kvmppc_core_commit_memory_region_pr(struct kvm *kvm, - struct kvm_userspace_memory_region *mem, + const struct kvm_userspace_memory_region *mem, const struct kvm_memory_slot *old) { return; diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c index 3872ab31c80a..518e3a8b351f 100644 --- a/arch/powerpc/kvm/booke.c +++ b/arch/powerpc/kvm/booke.c @@ -1784,13 +1784,13 @@ int kvmppc_core_create_memslot(struct kvm *kvm, struct kvm_memory_slot *slot, int kvmppc_core_prepare_memory_region(struct kvm *kvm, struct kvm_memory_slot *memslot, - struct kvm_userspace_memory_region *mem) + const struct kvm_userspace_memory_region *mem) { return 0; } void kvmppc_core_commit_memory_region(struct kvm *kvm, - struct kvm_userspace_memory_region *mem, + const struct kvm_userspace_memory_region *mem, const struct kvm_memory_slot *old) { } diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c index 8cd1f80fdc70..5985bb2a332b 100644 --- a/arch/powerpc/kvm/powerpc.c +++ b/arch/powerpc/kvm/powerpc.c @@ -595,14 +595,14 @@ int kvm_arch_create_memslot(struct kvm *kvm, struct kvm_memory_slot *slot, int kvm_arch_prepare_memory_region(struct kvm *kvm, struct kvm_memory_slot *memslot, - struct kvm_userspace_memory_region *mem, + const struct kvm_userspace_memory_region *mem, enum kvm_mr_change change) { return kvmppc_core_prepare_memory_region(kvm, memslot, mem); } void kvm_arch_commit_memory_region(struct kvm *kvm, - struct kvm_userspace_memory_region *mem, + const struct kvm_userspace_memory_region *mem, const struct kvm_memory_slot *old, enum kvm_mr_change change) { -- cgit v1.2.3-55-g7522