[PATCH 55/58] KVM: SVM: Replace memset(, 0, PAGESIZE) with clear_page()

Avi Kivity
2007-06-17T09:44:36Z

From: Shani Moideen <shani.moideen-uxC5H9eHYlcAvxtiuMwx3w@public.gmane.org>

Signed-off-by: Shani Moideen <shani.moideen-uxC5H9eHYlcAvxtiuMwx3w@public.gmane.org>
Signed-off-by: Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
---
drivers/kvm/svm.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/kvm/svm.c b/drivers/kvm/svm.c
index eb175c5..68841ef 100644
--- a/drivers/kvm/svm.c
+++ b/drivers/kvm/svm.c
@@ -581,7 +581,7 @@ static int svm_create_vcpu(struct kvm_vcpu *vcpu)
goto out2;

vcpu->svm->vmcb = page_address(page);
- memset(vcpu->svm->vmcb, 0, PAGE_SIZE);
+ clear_page(vcpu->svm->vmcb);
vcpu->svm->vmcb_pa = page_to_pfn(page) << PAGE_SHIFT;
vcpu->svm->asid_generation = 0;
memset(vcpu->svm->db_regs, 0, sizeof(vcpu->svm->db_regs));
@@ -957,7 +957,7 @@ static int shutdown_interception(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
* VMCB is undefined after a SHUTDOWN intercept
* so reinitialize it.
*/
- memset(vcpu->svm->vmcb, 0, PAGE_SIZE);
+ clear_page(vcpu->svm->vmcb);
init_vmcb(vcpu->svm->vmcb);

kvm_run->exit_reason = KVM_EXIT_SHUTDOWN;