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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2014-08-06 23:36:12 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2014-08-06 23:36:12 -0700
commit5e2aa2ed08e2e280121dc7cf5609c87d464f12ef (patch)
treeca7d7b1480285e3b617fecc5b41f0ce150a82c32 /arch/s390/include/asm/processor.h
parentf62d14a8072b9756db36ba394e2b267470a40240 (diff)
parentfc8104bc5a3f6f49d79f45f2706f79f77a9fb2ae (diff)
Merge branch 'next' into for-linus
Prepare first round of input updates for 3.17.
Diffstat (limited to 'arch/s390/include/asm/processor.h')
-rw-r--r--arch/s390/include/asm/processor.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h
index dc5fc4f90e52..6f02d452bbee 100644
--- a/arch/s390/include/asm/processor.h
+++ b/arch/s390/include/asm/processor.h
@@ -11,6 +11,13 @@
#ifndef __ASM_S390_PROCESSOR_H
#define __ASM_S390_PROCESSOR_H
+#define CIF_MCCK_PENDING 0 /* machine check handling is pending */
+#define CIF_ASCE 1 /* user asce needs fixup / uaccess */
+
+#define _CIF_MCCK_PENDING (1<<CIF_MCCK_PENDING)
+#define _CIF_ASCE (1<<CIF_ASCE)
+
+
#ifndef __ASSEMBLY__
#include <linux/linkage.h>
@@ -21,6 +28,21 @@
#include <asm/setup.h>
#include <asm/runtime_instr.h>
+static inline void set_cpu_flag(int flag)
+{
+ S390_lowcore.cpu_flags |= (1U << flag);
+}
+
+static inline void clear_cpu_flag(int flag)
+{
+ S390_lowcore.cpu_flags &= ~(1U << flag);
+}
+
+static inline int test_cpu_flag(int flag)
+{
+ return !!(S390_lowcore.cpu_flags & (1U << flag));
+}
+
/*
* Default implementation of macro that returns current
* instruction pointer ("program counter").