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 ba12eef..518e00c 100644 --- a/arch/s390/include/asm/gmap.h +++ b/arch/s390/include/asm/gmap.h @@ -17,6 +17,7 @@ #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 d396da8..dabc734 100644 --- a/arch/s390/mm/gmap.c +++ b/arch/s390/mm/gmap.c @@ -1079,6 +1079,7 @@ static int gmap_protect_pmd(struct gmap *gmap, unsigned long gaddr, int ret = 0; sbits |= (bits & GMAP_NOTIFY_MPROT) ? _SEGMENT_ENTRY_GMAP_IN : 0; + sbits |= (bits & GMAP_NOTIFY_SHADOW) ? _SEGMENT_ENTRY_GMAP_VSIE : 0; /* Protect gmap pmd */ ret = gmap_pmdp_force_prot(gmap, gaddr, pmdp, prot, sbits); /* -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe linux-s390" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
