s390/kvm: Mark if a cpu is in SIE

Lets track in a private bit if the sie control block is active.
We want to track this as closely as possible, so we also have to
instrument the interrupt and program check handler. Lets use the
existing HANDLE_SIE_INTERCEPT macro.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/s390/kernel/asm-offsets.c b/arch/s390/kernel/asm-offsets.c
index 7a82f9f70100..6456bbe1fbb1 100644
--- a/arch/s390/kernel/asm-offsets.c
+++ b/arch/s390/kernel/asm-offsets.c
@@ -7,6 +7,7 @@
 #define ASM_OFFSETS_C
 
 #include <linux/kbuild.h>
+#include <linux/kvm_host.h>
 #include <linux/sched.h>
 #include <asm/cputime.h>
 #include <asm/vdso.h>
@@ -161,6 +162,7 @@ int main(void)
         DEFINE(__LC_PGM_TDB, offsetof(struct _lowcore, pgm_tdb));
         DEFINE(__THREAD_trap_tdb, offsetof(struct task_struct, thread.trap_tdb));
         DEFINE(__GMAP_ASCE, offsetof(struct gmap, asce));
+        DEFINE(__SIE_PROG0C, offsetof(struct kvm_s390_sie_block, prog0c));
 #endif /* CONFIG_32BIT */
         return 0;
 }