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charset="utf-8" Let's use the library-like function that we have. Signed-off-by: Jan Beulich Reviewed-by: Andrew Cooper --- a/xen/arch/x86/mm/shadow/common.c +++ b/xen/arch/x86/mm/shadow/common.c @@ -455,7 +455,6 @@ static void _sh_resync(struct vcpu *v, m static void oos_hash_add(struct vcpu *v, mfn_t gmfn) { int i, idx, oidx, swap =3D 0; - void *gptr, *gsnpptr; mfn_t *oos =3D v->arch.paging.shadow.oos; mfn_t *oos_snapshot =3D v->arch.paging.shadow.oos_snapshot; struct oos_fixup *oos_fixup =3D v->arch.paging.shadow.oos_fixup; @@ -488,11 +487,7 @@ static void oos_hash_add(struct vcpu *v, if ( swap ) SWAP(oos_snapshot[idx], oos_snapshot[oidx]); =20 - gptr =3D map_domain_page(oos[oidx]); - gsnpptr =3D map_domain_page(oos_snapshot[oidx]); - memcpy(gsnpptr, gptr, PAGE_SIZE); - unmap_domain_page(gptr); - unmap_domain_page(gsnpptr); + copy_domain_page(oos_snapshot[oidx], oos[oidx]); } =20 /* Remove an MFN from the list of out-of-sync guest pagetables */