From ea8e064fe22a132da1473d82a57751208e6b8bfd Mon Sep 17 00:00:00 2001
From: Joerg Roedel <joerg.roedel@amd.com>
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 <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
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;
--
2.34.1