diff options
| -rw-r--r-- | arch/s390/kvm/gmap.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/s390/kvm/gmap.c b/arch/s390/kvm/gmap.c index 8cff0cf5ce24..957126ab991c 100644 --- a/arch/s390/kvm/gmap.c +++ b/arch/s390/kvm/gmap.c @@ -1025,6 +1025,7 @@ int gmap_insert_rmap(struct gmap *sg, gfn_t p_gfn, gfn_t r_gfn, int level) int gmap_protect_rmap(struct kvm_s390_mmu_cache *mc, struct gmap *sg, gfn_t p_gfn, gfn_t r_gfn, kvm_pfn_t pfn, int level, bool wr) { + unsigned long bitmask; union crste *crstep; union pgste pgste; union pte *ptep; @@ -1041,8 +1042,9 @@ int gmap_protect_rmap(struct kvm_s390_mmu_cache *mc, struct gmap *sg, gfn_t p_gf if (rc) return rc; if (level <= TABLE_TYPE_REGION1) { + bitmask = -1UL << (8 + 11 * level); scoped_guard(spinlock, &sg->host_to_rmap_lock) - rc = gmap_insert_rmap(sg, p_gfn, r_gfn, level); + rc = gmap_insert_rmap(sg, p_gfn, r_gfn & bitmask, level); } if (rc) return rc; |