From aa824e1340e79d26976c9f942add29edf612a67b Mon Sep 17 00:00:00 2001
From: Claudio Imbrenda <imbrenda@linux.vnet.ibm.com>
Date: Thu, 20 Apr 2017 10:03:46 +0200
Subject: [PATCH] s390/kvm: Add use_cmma field to mm_context_t
Add use_cmma field to mm_context_t, like we do for storage keys.
Signed-off-by: Claudio Imbrenda <imbrenda@linux.vnet.ibm.com>
Acked-by: Janosch Frank <frankja@de.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
arch/s390/include/asm/mmu.h | 2 ++
arch/s390/include/asm/mmu_context.h | 1 +
2 files changed, 3 insertions(+)
diff --git a/arch/s390/include/asm/mmu.h b/arch/s390/include/asm/mmu.h
index bea785d7f853c..bd6f303045185 100644
--- a/arch/s390/include/asm/mmu.h
+++ b/arch/s390/include/asm/mmu.h
@@ -22,6 +22,8 @@ typedef struct {
unsigned int has_pgste:1;
/* The mmu context uses storage keys. */
unsigned int use_skey:1;
+ /* The mmu context uses CMMA. */
+ unsigned int use_cmma:1;
} mm_context_t;
#define INIT_MM_CONTEXT(name) \
diff --git a/arch/s390/include/asm/mmu_context.h b/arch/s390/include/asm/mmu_context.h
index 6e31d87fb669b..c119d564d8f28 100644
--- a/arch/s390/include/asm/mmu_context.h
+++ b/arch/s390/include/asm/mmu_context.h
@@ -28,6 +28,7 @@ static inline int init_new_context(struct task_struct *tsk,
mm->context.alloc_pgste = page_table_allocate_pgste;
mm->context.has_pgste = 0;
mm->context.use_skey = 0;
+ mm->context.use_cmma = 0;
#endif
switch (mm->context.asce_limit) {
case 1UL << 42:
--
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