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authorDave Airlie <airlied@redhat.com>2017-06-27 00:24:49 +0300
committerDave Airlie <airlied@redhat.com>2017-06-27 01:28:30 +0300
commit6d61e70ccc21606ffb8a0a03bd3aba24f659502b (patch)
tree69f5bfb29d085cc42839445d34170bd3ee4f7408 /arch/s390/kvm/gaccess.c
parent338ffbf7cb5eee0ed4600650d03cd2d7cd1cac9d (diff)
parentc0bc126f97fb929b3ae02c1c62322645d70eb408 (diff)
downloadlinux-6d61e70ccc21606ffb8a0a03bd3aba24f659502b.tar.xz
Backmerge tag 'v4.12-rc7' into drm-next
Linux 4.12-rc7 Needed at least rc6 for drm-misc-next-fixes, may as well go to rc7
Diffstat (limited to 'arch/s390/kvm/gaccess.c')
-rw-r--r--arch/s390/kvm/gaccess.c15
1 files changed, 6 insertions, 9 deletions
diff --git a/arch/s390/kvm/gaccess.c b/arch/s390/kvm/gaccess.c
index 9da243d94cc3..3b297fa3aa67 100644
--- a/arch/s390/kvm/gaccess.c
+++ b/arch/s390/kvm/gaccess.c
@@ -977,11 +977,12 @@ static int kvm_s390_shadow_tables(struct gmap *sg, unsigned long saddr,
ptr = asce.origin * 4096;
if (asce.r) {
*fake = 1;
+ ptr = 0;
asce.dt = ASCE_TYPE_REGION1;
}
switch (asce.dt) {
case ASCE_TYPE_REGION1:
- if (vaddr.rfx01 > asce.tl && !asce.r)
+ if (vaddr.rfx01 > asce.tl && !*fake)
return PGM_REGION_FIRST_TRANS;
break;
case ASCE_TYPE_REGION2:
@@ -1009,8 +1010,7 @@ static int kvm_s390_shadow_tables(struct gmap *sg, unsigned long saddr,
union region1_table_entry rfte;
if (*fake) {
- /* offset in 16EB guest memory block */
- ptr = ptr + ((unsigned long) vaddr.rsx << 53UL);
+ ptr += (unsigned long) vaddr.rfx << 53;
rfte.val = ptr;
goto shadow_r2t;
}
@@ -1036,8 +1036,7 @@ shadow_r2t:
union region2_table_entry rste;
if (*fake) {
- /* offset in 8PB guest memory block */
- ptr = ptr + ((unsigned long) vaddr.rtx << 42UL);
+ ptr += (unsigned long) vaddr.rsx << 42;
rste.val = ptr;
goto shadow_r3t;
}
@@ -1064,8 +1063,7 @@ shadow_r3t:
union region3_table_entry rtte;
if (*fake) {
- /* offset in 4TB guest memory block */
- ptr = ptr + ((unsigned long) vaddr.sx << 31UL);
+ ptr += (unsigned long) vaddr.rtx << 31;
rtte.val = ptr;
goto shadow_sgt;
}
@@ -1101,8 +1099,7 @@ shadow_sgt:
union segment_table_entry ste;
if (*fake) {
- /* offset in 2G guest memory block */
- ptr = ptr + ((unsigned long) vaddr.sx << 20UL);
+ ptr += (unsigned long) vaddr.sx << 20;
ste.val = ptr;
goto shadow_pgt;
}