From ea8e064fe22a132da1473d82a57751208e6b8bfd Mon Sep 17 00:00:00 2001 From: Joerg Roedel Date: Fri, 7 Aug 2009 11:49:42 +0200 Subject: [PATCH] KVM: SVM: remove nested_svm_do and helper functions This function is not longer required. So remove it. Signed-off-by: Joerg Roedel Signed-off-by: Avi Kivity --- arch/x86/kvm/svm.c | 60 ---------------------------------------------- 1 file changed, 60 deletions(-) diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index 68b6d4cdd153..d458297d54c8 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -1421,66 +1421,6 @@ static void nested_svm_unmap(void *addr, enum km_type idx) kvm_release_page_dirty(page); } -static struct page *nested_svm_get_page(struct vcpu_svm *svm, u64 gpa) -{ - struct page *page; - - down_read(¤t->mm->mmap_sem); - page = gfn_to_page(svm->vcpu.kvm, gpa >> PAGE_SHIFT); - up_read(¤t->mm->mmap_sem); - - if (is_error_page(page)) { - printk(KERN_INFO "%s: could not find page at 0x%llx\n", - __func__, gpa); - kvm_release_page_clean(page); - kvm_inject_gp(&svm->vcpu, 0); - return NULL; - } - return page; -} - -static int nested_svm_do(struct vcpu_svm *svm, - u64 arg1_gpa, u64 arg2_gpa, void *opaque, - int (*handler)(struct vcpu_svm *svm, - void *arg1, - void *arg2, - void *opaque)) -{ - struct page *arg1_page; - struct page *arg2_page = NULL; - void *arg1; - void *arg2 = NULL; - int retval; - - arg1_page = nested_svm_get_page(svm, arg1_gpa); - if(arg1_page == NULL) - return 1; - - if (arg2_gpa) { - arg2_page = nested_svm_get_page(svm, arg2_gpa); - if(arg2_page == NULL) { - kvm_release_page_clean(arg1_page); - return 1; - } - } - - arg1 = kmap_atomic(arg1_page, KM_USER0); - if (arg2_gpa) - arg2 = kmap_atomic(arg2_page, KM_USER1); - - retval = handler(svm, arg1, arg2, opaque); - - kunmap_atomic(arg1, KM_USER0); - if (arg2_gpa) - kunmap_atomic(arg2, KM_USER1); - - kvm_release_page_dirty(arg1_page); - if (arg2_gpa) - kvm_release_page_dirty(arg2_page); - - return retval; -} - static bool nested_svm_exit_handled_msr(struct vcpu_svm *svm) { u32 param = svm->vmcb->control.exit_info_1 & 1; -- 2.39.5