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KVM: SVM: remove nested_svm_do and helper functions

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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>
This commit is contained in:
Joerg Roedel 2009-08-07 11:49:42 +02:00 committed by Avi Kivity
parent 9738b2c97d
commit ea8e064fe2
1 changed files with 0 additions and 60 deletions
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60
arch/x86/kvm/svm.c
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@ -1421,66 +1421,6 @@ static void nested_svm_unmap(void *addr, enum km_type idx)
kvm_release_page_dirty(page); kvm_release_page_dirty(page);
} }
static struct page *nested_svm_get_page(struct vcpu_svm *svm, u64 gpa)
{
struct page *page;
down_read(&current->mm->mmap_sem);
page = gfn_to_page(svm->vcpu.kvm, gpa >> PAGE_SHIFT);
up_read(&current->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) static bool nested_svm_exit_handled_msr(struct vcpu_svm *svm)
{ {
u32 param = svm->vmcb->control.exit_info_1 & 1; u32 param = svm->vmcb->control.exit_info_1 & 1;