summaryrefslogtreecommitdiffstats
path: root/arch/s390/include/asm/pgtable.h
diff options
context:
space:
mode:
authorDavid Hildenbrand <dahi@linux.vnet.ibm.com>2016-05-10 09:50:21 +0200
committerChristian Borntraeger <borntraeger@de.ibm.com>2016-06-10 12:07:31 +0200
commita7e19ab55ffdd82f1a8d12694b9a0c0beeef534c (patch)
tree77c52e6a73a3a871caaba0a0e7b7eda3789fa53a /arch/s390/include/asm/pgtable.h
parentKVM: s390: trace and count all skey intercepts (diff)
downloadlinux-a7e19ab55ffdd82f1a8d12694b9a0c0beeef534c.tar.xz
linux-a7e19ab55ffdd82f1a8d12694b9a0c0beeef534c.zip
KVM: s390: handle missing storage-key facility
Without the storage-key facility, SIE won't interpret SSKE, ISKE and RRBE for us. So let's add proper interception handlers that will be called if lazy sske cannot be enabled. Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/pgtable.h')
-rw-r--r--arch/s390/include/asm/pgtable.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index 2f6702e27db9..9951e7e59756 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -896,6 +896,7 @@ int set_guest_storage_key(struct mm_struct *mm, unsigned long addr,
int cond_set_guest_storage_key(struct mm_struct *mm, unsigned long addr,
unsigned char key, unsigned char *oldkey,
bool nq, bool mr, bool mc);
+int reset_guest_reference_bit(struct mm_struct *mm, unsigned long addr);
int get_guest_storage_key(struct mm_struct *mm, unsigned long addr,
unsigned char *key);