We need to be able to write protect segments for when shadowing them for VSIE. Signed-off-by: Janosch Frank <frankja@xxxxxxxxxxxxxxxxxx> --- arch/s390/include/asm/gmap.h | 1 + arch/s390/mm/gmap.c | 1 + 2 files changed, 2 insertions(+) diff --git a/arch/s390/include/asm/gmap.h b/arch/s390/include/asm/gmap.h index 16474c3..dfd50d7 100644 --- a/arch/s390/include/asm/gmap.h +++ b/arch/s390/include/asm/gmap.h @@ -16,6 +16,7 @@ #define _SEGMENT_ENTRY_GMAP_IN 0x0001 /* invalidation notify bit */ /* Status bits only for huge segment entries */ #define _SEGMENT_ENTRY_GMAP_UC 0x4000 /* user dirty (migration) */ +#define _SEGMENT_ENTRY_GMAP_VSIE 0x8000 /* vsie bit */ /** * struct gmap_struct - guest address space diff --git a/arch/s390/mm/gmap.c b/arch/s390/mm/gmap.c index d23b750..69a575b 100644 --- a/arch/s390/mm/gmap.c +++ b/arch/s390/mm/gmap.c @@ -1087,6 +1087,7 @@ static int gmap_protect_large(struct gmap *gmap, unsigned long gaddr, int ret = 0; sbits |= (bits & GMAP_ENTRY_IN) ? _SEGMENT_ENTRY_GMAP_IN : 0; + sbits |= (bits & GMAP_ENTRY_VSIE) ? _SEGMENT_ENTRY_GMAP_VSIE : 0; /* Protect gmap pmd */ ret = gmap_pmdp_force_prot(gmap, gaddr, pmdp, prot, sbits); /* -- 2.7.4
