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authorDavid Hildenbrand <dahi@linux.vnet.ibm.com>2016-03-08 12:31:52 +0100
committerChristian Borntraeger <borntraeger@de.ibm.com>2016-06-20 09:55:08 +0200
commit4a49443924731823da2e9b3ae9311b74a34e7ed8 (patch)
treed65b91881e0a62a8e3b8aafdf982e978c46869aa /arch/s390/include/asm
parent717c05554afa69a36398a57dac64b95972f138d5 (diff)
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op-kernel-dev-4a49443924731823da2e9b3ae9311b74a34e7ed8.tar.gz
s390/mm: remember the int code for the last gmap fault
For nested virtualization, we want to know if we are handling a protection exception, because these can directly be forwarded to the guest without additional checks. Acked-by: Martin Schwidefsky <schwidefsky@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')
-rw-r--r--arch/s390/include/asm/processor.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h
index 94c80b6..8c2922f 100644
--- a/arch/s390/include/asm/processor.h
+++ b/arch/s390/include/asm/processor.h
@@ -110,6 +110,7 @@ struct thread_struct {
mm_segment_t mm_segment;
unsigned long gmap_addr; /* address of last gmap fault. */
unsigned int gmap_write_flag; /* gmap fault write indication */
+ unsigned int gmap_int_code; /* int code of last gmap fault */
unsigned int gmap_pfault; /* signal of a pending guest pfault */
struct per_regs per_user; /* User specified PER registers */
struct per_event per_event; /* Cause of the last PER trap */
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