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authorChristian Borntraeger <borntraeger@de.ibm.com>2015-12-02 14:27:03 +0100
committerChristian Borntraeger <borntraeger@de.ibm.com>2015-12-15 16:06:48 +0100
commit7ec7c8c70b26de90f61be7523a6ad14df911219f (patch)
treed71a0bf0f8777bbf0787ce689594d86ce249e184
parentMerge tag 'kvm-s390-next-4.5-1' of git://git.kernel.org/pub/scm/linux/kernel/... (diff)
downloadlinux-7ec7c8c70b26de90f61be7523a6ad14df911219f.tar.xz
linux-7ec7c8c70b26de90f61be7523a6ad14df911219f.zip
KVM: s390: use assignment instead of memcpy
Replace two memcpy with proper assignment. Suggested-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com> Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
-rw-r--r--arch/s390/kvm/kvm-s390.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 6857262eb7ae..6dec01d6c1c4 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -2120,7 +2120,8 @@ static int vcpu_pre_run(struct kvm_vcpu *vcpu)
*/
kvm_check_async_pf_completion(vcpu);
- memcpy(&vcpu->arch.sie_block->gg14, &vcpu->run->s.regs.gprs[14], 16);
+ vcpu->arch.sie_block->gg14 = vcpu->run->s.regs.gprs[14];
+ vcpu->arch.sie_block->gg15 = vcpu->run->s.regs.gprs[15];
if (need_resched())
schedule();
@@ -2185,7 +2186,8 @@ static int vcpu_post_run(struct kvm_vcpu *vcpu, int exit_reason)
if (guestdbg_enabled(vcpu))
kvm_s390_restore_guest_per_regs(vcpu);
- memcpy(&vcpu->run->s.regs.gprs[14], &vcpu->arch.sie_block->gg14, 16);
+ vcpu->run->s.regs.gprs[14] = vcpu->arch.sie_block->gg14;
+ vcpu->run->s.regs.gprs[15] = vcpu->arch.sie_block->gg15;
if (vcpu->arch.sie_block->icptcode > 0) {
int rc = kvm_handle_sie_intercept(vcpu);