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-rw-r--r--arch/s390/include/asm/lowcore.h9
-rw-r--r--arch/s390/include/asm/setup.h3
2 files changed, 11 insertions, 1 deletions
diff --git a/arch/s390/include/asm/lowcore.h b/arch/s390/include/asm/lowcore.h
index 663f23e37460..12af453c3c19 100644
--- a/arch/s390/include/asm/lowcore.h
+++ b/arch/s390/include/asm/lowcore.h
@@ -132,7 +132,14 @@ struct _lowcore {
/* Address space pointer. */
__u64 kernel_asce; /* 0x0358 */
__u64 user_asce; /* 0x0360 */
- __u64 current_pid; /* 0x0368 */
+
+ /*
+ * The lpp and current_pid fields form a
+ * 64-bit value that is set as program
+ * parameter with the LPP instruction.
+ */
+ __u32 lpp; /* 0x0368 */
+ __u32 current_pid; /* 0x036c */
/* SMP info area */
__u32 cpu_nr; /* 0x0370 */
diff --git a/arch/s390/include/asm/setup.h b/arch/s390/include/asm/setup.h
index ab015a7f20d0..23537661da0e 100644
--- a/arch/s390/include/asm/setup.h
+++ b/arch/s390/include/asm/setup.h
@@ -34,6 +34,9 @@
#define MACHINE_FLAG_VX _BITUL(18)
#define MACHINE_FLAG_CAD _BITUL(19)
+#define LPP_MAGIC _BITUL(31)
+#define LPP_PFAULT_PID_MASK _AC(0xffffffff, UL)
+
#ifndef __ASSEMBLY__
#include <asm/lowcore.h>