From: David Gibson Date: Tue, 20 Dec 2016 05:48:59 +0000 (+1100) Subject: KVM: PPC: Book3S HV: Rename kvm_alloc_hpt() for clarity X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=db9a290d9c3c596e5325e2a42133594435e5de46;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git KVM: PPC: Book3S HV: Rename kvm_alloc_hpt() for clarity The difference between kvm_alloc_hpt() and kvmppc_alloc_hpt() is not at all obvious from the name. In practice kvmppc_alloc_hpt() allocates an HPT by whatever means, and calls kvm_alloc_hpt() which will attempt to allocate it with CMA only. To make this less confusing, rename kvm_alloc_hpt() to kvm_alloc_hpt_cma(). Similarly, kvm_release_hpt() is renamed kvm_free_hpt_cma(). Signed-off-by: David Gibson Reviewed-by: Thomas Huth Signed-off-by: Paul Mackerras --- diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h index 48c760f89590..6fad1f12e9ec 100644 --- a/arch/powerpc/include/asm/kvm_ppc.h +++ b/arch/powerpc/include/asm/kvm_ppc.h @@ -186,8 +186,8 @@ extern long kvmppc_h_stuff_tce(struct kvm_vcpu *vcpu, unsigned long tce_value, unsigned long npages); extern long kvmppc_h_get_tce(struct kvm_vcpu *vcpu, unsigned long liobn, unsigned long ioba); -extern struct page *kvm_alloc_hpt(unsigned long nr_pages); -extern void kvm_release_hpt(struct page *page, unsigned long nr_pages); +extern struct page *kvm_alloc_hpt_cma(unsigned long nr_pages); +extern void kvm_free_hpt_cma(struct page *page, unsigned long nr_pages); extern int kvmppc_core_init_vm(struct kvm *kvm); extern void kvmppc_core_destroy_vm(struct kvm *kvm); extern void kvmppc_core_free_memslot(struct kvm *kvm, diff --git a/arch/powerpc/kvm/book3s_64_mmu_hv.c b/arch/powerpc/kvm/book3s_64_mmu_hv.c index 9df3d940acec..16f278417c69 100644 --- a/arch/powerpc/kvm/book3s_64_mmu_hv.c +++ b/arch/powerpc/kvm/book3s_64_mmu_hv.c @@ -62,7 +62,7 @@ long kvmppc_alloc_hpt(struct kvm *kvm, u32 *htab_orderp) } kvm->arch.hpt_cma_alloc = 0; - page = kvm_alloc_hpt(1ul << (order - PAGE_SHIFT)); + page = kvm_alloc_hpt_cma(1ul << (order - PAGE_SHIFT)); if (page) { hpt = (unsigned long)pfn_to_kaddr(page_to_pfn(page)); memset((void *)hpt, 0, (1ul << order)); @@ -108,7 +108,7 @@ long kvmppc_alloc_hpt(struct kvm *kvm, u32 *htab_orderp) out_freehpt: if (kvm->arch.hpt_cma_alloc) - kvm_release_hpt(page, 1 << (order - PAGE_SHIFT)); + kvm_free_hpt_cma(page, 1 << (order - PAGE_SHIFT)); else free_pages(hpt, order - PAGE_SHIFT); return -ENOMEM; @@ -157,8 +157,8 @@ void kvmppc_free_hpt(struct kvm *kvm) { vfree(kvm->arch.revmap); if (kvm->arch.hpt_cma_alloc) - kvm_release_hpt(virt_to_page(kvm->arch.hpt_virt), - 1 << (kvm->arch.hpt_order - PAGE_SHIFT)); + kvm_free_hpt_cma(virt_to_page(kvm->arch.hpt_virt), + 1 << (kvm->arch.hpt_order - PAGE_SHIFT)); else if (kvm->arch.hpt_virt) free_pages(kvm->arch.hpt_virt, kvm->arch.hpt_order - PAGE_SHIFT); diff --git a/arch/powerpc/kvm/book3s_hv_builtin.c b/arch/powerpc/kvm/book3s_hv_builtin.c index fe08fea54b70..96e7e609f621 100644 --- a/arch/powerpc/kvm/book3s_hv_builtin.c +++ b/arch/powerpc/kvm/book3s_hv_builtin.c @@ -57,19 +57,19 @@ static int __init early_parse_kvm_cma_resv(char *p) } early_param("kvm_cma_resv_ratio", early_parse_kvm_cma_resv); -struct page *kvm_alloc_hpt(unsigned long nr_pages) +struct page *kvm_alloc_hpt_cma(unsigned long nr_pages) { VM_BUG_ON(order_base_2(nr_pages) < KVM_CMA_CHUNK_ORDER - PAGE_SHIFT); return cma_alloc(kvm_cma, nr_pages, order_base_2(HPT_ALIGN_PAGES)); } -EXPORT_SYMBOL_GPL(kvm_alloc_hpt); +EXPORT_SYMBOL_GPL(kvm_alloc_hpt_cma); -void kvm_release_hpt(struct page *page, unsigned long nr_pages) +void kvm_free_hpt_cma(struct page *page, unsigned long nr_pages) { cma_release(kvm_cma, page, nr_pages); } -EXPORT_SYMBOL_GPL(kvm_release_hpt); +EXPORT_SYMBOL_GPL(kvm_free_hpt_cma); /** * kvm_cma_reserve() - reserve area for kvm hash pagetable