diff options
Diffstat (limited to 'arch/s390/kvm/gaccess.c')
| -rw-r--r-- | arch/s390/kvm/gaccess.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/arch/s390/kvm/gaccess.c b/arch/s390/kvm/gaccess.c index fab03ec..f6d556d 100644 --- a/arch/s390/kvm/gaccess.c +++ b/arch/s390/kvm/gaccess.c @@ -966,6 +966,7 @@ static int kvm_s390_shadow_tables(struct gmap *sg, unsigned long saddr, int rc; *fake = 0; + *dat_protection = 0; parent = sg->parent; vaddr.addr = saddr; asce.val = sg->orig_asce; @@ -1008,6 +1009,8 @@ static int kvm_s390_shadow_tables(struct gmap *sg, unsigned long saddr, return PGM_TRANSLATION_SPEC; if (vaddr.rsx01 < rfte.tf || vaddr.rsx01 > rfte.tl) return PGM_REGION_SECOND_TRANS; + if (sg->edat_level >= 1) + *dat_protection |= rfte.p; rc = gmap_shadow_r2t(sg, saddr, rfte.val); if (rc) return rc; @@ -1026,6 +1029,9 @@ static int kvm_s390_shadow_tables(struct gmap *sg, unsigned long saddr, return PGM_TRANSLATION_SPEC; if (vaddr.rtx01 < rste.tf || vaddr.rtx01 > rste.tl) return PGM_REGION_THIRD_TRANS; + if (sg->edat_level >= 1) + *dat_protection |= rste.p; + rste.p |= *dat_protection; rc = gmap_shadow_r3t(sg, saddr, rste.val); if (rc) return rc; @@ -1045,18 +1051,19 @@ static int kvm_s390_shadow_tables(struct gmap *sg, unsigned long saddr, if (rtte.cr && asce.p && sg->edat_level >= 2) return PGM_TRANSLATION_SPEC; if (rtte.fc && sg->edat_level >= 2) { - bool prot = rtte.fc1.p; - + *dat_protection |= rtte.fc0.p; *fake = 1; ptr = rtte.fc1.rfaa << 31UL; rtte.val = ptr; - rtte.fc0.p = prot; goto shadow_sgt; } if (vaddr.sx01 < rtte.fc0.tf || vaddr.sx01 > rtte.fc0.tl) return PGM_SEGMENT_TRANSLATION; + if (sg->edat_level >= 1) + *dat_protection |= rtte.fc0.p; ptr = rtte.fc0.sto << 12UL; shadow_sgt: + rtte.fc0.p |= *dat_protection; rc = gmap_shadow_sgt(sg, saddr, rtte.val, *fake); if (rc) return rc; @@ -1080,18 +1087,16 @@ shadow_sgt: return PGM_TRANSLATION_SPEC; if (ste.cs && asce.p) return PGM_TRANSLATION_SPEC; - *dat_protection = ste.fc0.p; + *dat_protection |= ste.fc0.p; if (ste.fc && sg->edat_level >= 1) { - bool prot = ste.fc1.p; - *fake = 1; ptr = ste.fc1.sfaa << 20UL; ste.val = ptr; - ste.fc0.p = prot; goto shadow_pgt; } ptr = ste.fc0.pto << 11UL; shadow_pgt: + ste.fc0.p |= *dat_protection; rc = gmap_shadow_pgt(sg, saddr, ste.val, *fake); if (rc) return rc; |