summaryrefslogtreecommitdiff
path: root/arch/s390/include/asm/pgtable.h
diff options
context:
space:
mode:
authorDominik Dingel <dingel@linux.vnet.ibm.com>2013-06-17 14:25:18 (GMT)
committerChristian Borntraeger <borntraeger@de.ibm.com>2014-01-30 11:50:39 (GMT)
commit24eb3a824c4f3ccfaa2305dc1d9d9e2a708828c5 (patch)
treea889cb48f43502fb8db57d40ef6f342382d638b6 /arch/s390/include/asm/pgtable.h
parenta91b8ebe8671980151e0a19ee9fec6b0e1ae1d58 (diff)
downloadlinux-24eb3a824c4f3ccfaa2305dc1d9d9e2a708828c5.tar.xz
KVM: s390: Add FAULT_FLAG_RETRY_NOWAIT for guest fault
In the case of a fault, we will retry to exit sie64 but with gmap fault indication for this thread set. This makes it possible to handle async page faults. Based on a patch from Martin Schwidefsky. Signed-off-by: Dominik Dingel <dingel@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.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index 2204400..66101f6 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -767,6 +767,7 @@ static inline void pgste_set_pte(pte_t *ptep, pte_t entry)
* @table: pointer to the page directory
* @asce: address space control element for gmap page table
* @crst_list: list of all crst tables used in the guest address space
+ * @pfault_enabled: defines if pfaults are applicable for the guest
*/
struct gmap {
struct list_head list;
@@ -775,6 +776,7 @@ struct gmap {
unsigned long asce;
void *private;
struct list_head crst_list;
+ bool pfault_enabled;
};
/**