Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6

* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6: (35 commits)
  [S390] time: remove unused code
  [S390] zcore: Add prefix registers to dump header
  [S390] correct vdso version string
  [S390] add support for compressed kernels
  [S390] Define new s390 ELF note sections in elf.h
  [S390] codepage conversion of kernel parameter line
  [S390] seq_file: convert drivers/s390/
  [S390] add z9-ec/z10 instruction to kernel disassembler
  [S390] dasd: correct offline processing
  [S390] dasd: fix refcounting.
  [S390] dasd: fix online/offline race
  [S390] use kprobes_built_in() in mm/fault code
  [S390] bug: use relative pointers in bug table entries
  [S390] Cleanup struct _lowcore usage and defines.
  [S390] free_initmem: reduce code duplication
  [S390] Replace ENOTSUPP usage with EOPNOTSUPP
  [S390] spinlock: check virtual cpu running status
  [S390] sysinfo: fix SYSIB 3,2,2 structure
  [S390] add MACHINE_IS_LPAR flag
  [S390] qdio: optimize cache line usage of struct qdio_irq
  ...

22 files changed, 409 insertions, 672 deletions

diff --git a/arch/s390/include/asm/atomic.h b/arch/s390/include/asm/atomic.h
index 2a113d6a7df..451bfbb9db3 100644
--- a/arch/s390/include/asm/atomic.h
+++ b/arch/s390/include/asm/atomic.h
@@ -18,8 +18,6 @@
 
 #define ATOMIC_INIT(i)  { (i) }
 
-#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)
-
 #define __CS_LOOP(ptr, op_val, op_string) ({				\
 	int old_val, new_val;						\
 	asm volatile(							\
@@ -35,26 +33,6 @@
 	new_val;							\
 })
 
-#else /* __GNUC__ */
-
-#define __CS_LOOP(ptr, op_val, op_string) ({				\
-	int old_val, new_val;						\
-	asm volatile(							\
-		"	l	%0,0(%3)\n"				\
-		"0:	lr	%1,%0\n"				\
-		op_string "	%1,%4\n"				\
-		"	cs	%0,%1,0(%3)\n"				\
-		"	jl	0b"					\
-		: "=&d" (old_val), "=&d" (new_val),			\
-		  "=m" (((atomic_t *)(ptr))->counter)			\
-		: "a" (ptr), "d" (op_val),				\
-		  "m" (((atomic_t *)(ptr))->counter)			\
-		: "cc", "memory");					\
-	new_val;							\
-})
-
-#endif /* __GNUC__ */
-
 static inline int atomic_read(const atomic_t *v)
 {
 	barrier();
@@ -101,19 +79,11 @@ static inline void atomic_set_mask(unsigned long mask, atomic_t *v)
 
 static inline int atomic_cmpxchg(atomic_t *v, int old, int new)
 {
-#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)
 	asm volatile(
 		"	cs	%0,%2,%1"
 		: "+d" (old), "=Q" (v->counter)
 		: "d" (new), "Q" (v->counter)
 		: "cc", "memory");
-#else /* __GNUC__ */
-	asm volatile(
-		"	cs	%0,%3,0(%2)"
-		: "+d" (old), "=m" (v->counter)
-		: "a" (v), "d" (new), "m" (v->counter)
-		: "cc", "memory");
-#endif /* __GNUC__ */
 	return old;
 }
 
@@ -140,8 +110,6 @@ static inline int atomic_add_unless(atomic_t *v, int a, int u)
 
 #ifdef CONFIG_64BIT
 
-#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)
-
 #define __CSG_LOOP(ptr, op_val, op_string) ({				\
 	long long old_val, new_val;					\
 	asm volatile(							\
@@ -157,26 +125,6 @@ static inline int atomic_add_unless(atomic_t *v, int a, int u)
 	new_val;							\
 })
 
-#else /* __GNUC__ */
-
-#define __CSG_LOOP(ptr, op_val, op_string) ({				\
-	long long old_val, new_val;					\
-	asm volatile(							\
-		"	lg	%0,0(%3)\n"				\
-		"0:	lgr	%1,%0\n"				\
-		op_string "	%1,%4\n"				\
-		"	csg	%0,%1,0(%3)\n"				\
-		"	jl	0b"					\
-		: "=&d" (old_val), "=&d" (new_val),			\
-		  "=m" (((atomic_t *)(ptr))->counter)			\
-		: "a" (ptr), "d" (op_val),				\
-		  "m" (((atomic_t *)(ptr))->counter)			\
-		: "cc", "memory");					\
-	new_val;							\
-})
-
-#endif /* __GNUC__ */
-
 static inline long long atomic64_read(const atomic64_t *v)
 {
 	barrier();
@@ -214,19 +162,11 @@ static inline void atomic64_set_mask(unsigned long mask, atomic64_t *v)
 static inline long long atomic64_cmpxchg(atomic64_t *v,
 					     long long old, long long new)
 {
-#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)
 	asm volatile(
 		"	csg	%0,%2,%1"
 		: "+d" (old), "=Q" (v->counter)
 		: "d" (new), "Q" (v->counter)
 		: "cc", "memory");
-#else /* __GNUC__ */
-	asm volatile(
-		"	csg	%0,%3,0(%2)"
-		: "+d" (old), "=m" (v->counter)
-		: "a" (v), "d" (new), "m" (v->counter)
-		: "cc", "memory");
-#endif /* __GNUC__ */
 	return old;
 }
 
@@ -243,10 +183,8 @@ static inline long long atomic64_read(const atomic64_t *v)
 	register_pair rp;
 
 	asm volatile(
-		"	lm	%0,%N0,0(%1)"
-		: "=&d" (rp)
-		: "a" (&v->counter), "m" (v->counter)
-		);
+		"	lm	%0,%N0,%1"
+		: "=&d" (rp) : "Q" (v->counter)	);
 	return rp.pair;
 }
 
@@ -255,10 +193,8 @@ static inline void atomic64_set(atomic64_t *v, long long i)
 	register_pair rp = {.pair = i};
 
 	asm volatile(
-		"	stm	%1,%N1,0(%2)"
-		: "=m" (v->counter)
-		: "d" (rp), "a" (&v->counter)
-		);
+		"	stm	%1,%N1,%0"
+		: "=Q" (v->counter) : "d" (rp) );
 }
 
 static inline long long atomic64_xchg(atomic64_t *v, long long new)
@@ -267,11 +203,11 @@ static inline long long atomic64_xchg(atomic64_t *v, long long new)
 	register_pair rp_old;
 
 	asm volatile(
-		"	lm	%0,%N0,0(%2)\n"
-		"0:	cds	%0,%3,0(%2)\n"
+		"	lm	%0,%N0,%1\n"
+		"0:	cds	%0,%2,%1\n"
 		"	jl	0b\n"
-		: "=&d" (rp_old), "+m" (v->counter)
-		: "a" (&v->counter), "d" (rp_new)
+		: "=&d" (rp_old), "=Q" (v->counter)
+		: "d" (rp_new), "Q" (v->counter)
 		: "cc");
 	return rp_old.pair;
 }
@@ -283,9 +219,9 @@ static inline long long atomic64_cmpxchg(atomic64_t *v,
 	register_pair rp_new = {.pair = new};
 
 	asm volatile(
-		"	cds	%0,%3,0(%2)"
-		: "+&d" (rp_old), "+m" (v->counter)
-		: "a" (&v->counter), "d" (rp_new)
+		"	cds	%0,%2,%1"
+		: "+&d" (rp_old), "=Q" (v->counter)
+		: "d" (rp_new), "Q" (v->counter)
 		: "cc");
 	return rp_old.pair;
 }
diff --git a/arch/s390/include/asm/bitops.h b/arch/s390/include/asm/bitops.h
index b30606f6d52..2e05972c508 100644
--- a/arch/s390/include/asm/bitops.h
+++ b/arch/s390/include/asm/bitops.h
@@ -71,8 +71,6 @@ extern const char _sb_findmap[];
 #define __BITOPS_AND		"nr"
 #define __BITOPS_XOR		"xr"
 
-#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)
-
 #define __BITOPS_LOOP(__old, __new, __addr, __val, __op_string)	\
 	asm volatile(						\
 		"	l	%0,%2\n"			\
@@ -85,22 +83,6 @@ extern const char _sb_findmap[];
 		: "d" (__val), "Q" (*(unsigned long *) __addr)	\
 		: "cc");
 
-#else /* __GNUC__ */
-
-#define __BITOPS_LOOP(__old, __new, __addr, __val, __op_string)	\
-	asm volatile(						\
-		"	l	%0,0(%4)\n"			\
-		"0:	lr	%1,%0\n"			\
-		__op_string "	%1,%3\n"			\
-		"	cs	%0,%1,0(%4)\n"			\
-		"	jl	0b"				\
-		: "=&d" (__old), "=&d" (__new),			\
-		  "=m" (*(unsigned long *) __addr)		\
-		: "d" (__val), "a" (__addr),			\
-		  "m" (*(unsigned long *) __addr) : "cc");
-
-#endif /* __GNUC__ */
-
 #else /* __s390x__ */
 
 #define __BITOPS_ALIGN		7
@@ -109,8 +91,6 @@ extern const char _sb_findmap[];
 #define __BITOPS_AND		"ngr"
 #define __BITOPS_XOR		"xgr"
 
-#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)
-
 #define __BITOPS_LOOP(__old, __new, __addr, __val, __op_string)	\
 	asm volatile(						\
 		"	lg	%0,%2\n"			\
@@ -123,23 +103,6 @@ extern const char _sb_findmap[];
 		: "d" (__val), "Q" (*(unsigned long *) __addr)	\
 		: "cc");
 
-#else /* __GNUC__ */
-
-#define __BITOPS_LOOP(__old, __new, __addr, __val, __op_string)	\
-	asm volatile(						\
-		"	lg	%0,0(%4)\n"			\
-		"0:	lgr	%1,%0\n"			\
-		__op_string "	%1,%3\n"			\
-		"	csg	%0,%1,0(%4)\n"			\
-		"	jl	0b"				\
-		: "=&d" (__old), "=&d" (__new),			\
-		  "=m" (*(unsigned long *) __addr)		\
-		: "d" (__val), "a" (__addr),			\
-		  "m" (*(unsigned long *) __addr) : "cc");
-
-
-#endif /* __GNUC__ */
-
 #endif /* __s390x__ */
 
 #define __BITOPS_WORDS(bits) (((bits)+__BITOPS_WORDSIZE-1)/__BITOPS_WORDSIZE)
@@ -261,9 +224,8 @@ static inline void __set_bit(unsigned long nr, volatile unsigned long *ptr)
 
 	addr = (unsigned long) ptr + ((nr ^ (__BITOPS_WORDSIZE - 8)) >> 3);
 	asm volatile(
-		"	oc	0(1,%1),0(%2)"
-		: "=m" (*(char *) addr) : "a" (addr),
-		  "a" (_oi_bitmap + (nr & 7)), "m" (*(char *) addr) : "cc" );
+		"	oc	%O0(1,%R0),%1"
+		: "=Q" (*(char *) addr) : "Q" (_oi_bitmap[nr & 7]) : "cc" );
 }
 
 static inline void 
@@ -290,9 +252,8 @@ __clear_bit(unsigned long nr, volatile unsigned long *ptr)
 
 	addr = (unsigned long) ptr + ((nr ^ (__BITOPS_WORDSIZE - 8)) >> 3);
 	asm volatile(
-		"	nc	0(1,%1),0(%2)"
-		: "=m" (*(char *) addr)	: "a" (addr),
-		  "a" (_ni_bitmap + (nr & 7)), "m" (*(char *) addr) : "cc");
+		"	nc	%O0(1,%R0),%1"
+		: "=Q" (*(char *) addr) : "Q" (_ni_bitmap[nr & 7]) : "cc" );
 }
 
 static inline void 
@@ -318,9 +279,8 @@ static inline void __change_bit(unsigned long nr, volatile unsigned long *ptr)
 
 	addr = (unsigned long) ptr + ((nr ^ (__BITOPS_WORDSIZE - 8)) >> 3);
 	asm volatile(
-		"	xc	0(1,%1),0(%2)"
-		:  "=m" (*(char *) addr) : "a" (addr),
-		   "a" (_oi_bitmap + (nr & 7)), "m" (*(char *) addr) : "cc" );
+		"	xc	%O0(1,%R0),%1"
+		: "=Q" (*(char *) addr) : "Q" (_oi_bitmap[nr & 7]) : "cc" );
 }
 
 static inline void 
@@ -349,10 +309,9 @@ test_and_set_bit_simple(unsigned long nr, volatile unsigned long *ptr)
 	addr = (unsigned long) ptr + ((nr ^ (__BITOPS_WORDSIZE - 8)) >> 3);
 	ch = *(unsigned char *) addr;
 	asm volatile(
-		"	oc	0(1,%1),0(%2)"
-		: "=m" (*(char *) addr)
-		: "a" (addr), "a" (_oi_bitmap + (nr & 7)),
-		  "m" (*(char *) addr) : "cc", "memory");
+		"	oc	%O0(1,%R0),%1"
+		: "=Q" (*(char *) addr)	: "Q" (_oi_bitmap[nr & 7])
+		: "cc", "memory");
 	return (ch >> (nr & 7)) & 1;
 }
 #define __test_and_set_bit(X,Y)		test_and_set_bit_simple(X,Y)
@@ -369,10 +328,9 @@ test_and_clear_bit_simple(unsigned long nr, volatile unsigned long *ptr)
 	addr = (unsigned long) ptr + ((nr ^ (__BITOPS_WORDSIZE - 8)) >> 3);
 	ch = *(unsigned char *) addr;
 	asm volatile(
-		"	nc	0(1,%1),0(%2)"
-		: "=m" (*(char *) addr)
-		: "a" (addr), "a" (_ni_bitmap + (nr & 7)),
-		  "m" (*(char *) addr) : "cc", "memory");
+		"	nc	%O0(1,%R0),%1"
+		: "=Q" (*(char *) addr)	: "Q" (_ni_bitmap[nr & 7])
+		: "cc", "memory");
 	return (ch >> (nr & 7)) & 1;
 }
 #define __test_and_clear_bit(X,Y)	test_and_clear_bit_simple(X,Y)
@@ -389,10 +347,9 @@ test_and_change_bit_simple(unsigned long nr, volatile unsigned long *ptr)
 	addr = (unsigned long) ptr + ((nr ^ (__BITOPS_WORDSIZE - 8)) >> 3);
 	ch = *(unsigned char *) addr;
 	asm volatile(
-		"	xc	0(1,%1),0(%2)"
-		: "=m" (*(char *) addr)
-		: "a" (addr), "a" (_oi_bitmap + (nr & 7)),
-		  "m" (*(char *) addr) : "cc", "memory");
+		"	xc	%O0(1,%R0),%1"
+		: "=Q" (*(char *) addr)	: "Q" (_oi_bitmap[nr & 7])
+		: "cc", "memory");
 	return (ch >> (nr & 7)) & 1;
 }
 #define __test_and_change_bit(X,Y)	test_and_change_bit_simple(X,Y)
@@ -591,11 +548,11 @@ static inline unsigned long __load_ulong_le(const unsigned long *p,
 	p = (unsigned long *)((unsigned long) p + offset);
 #ifndef __s390x__
 	asm volatile(
-		"	ic	%0,0(%1)\n"
-		"	icm	%0,2,1(%1)\n"
-		"	icm	%0,4,2(%1)\n"
-		"	icm	%0,8,3(%1)"
-		: "=&d" (word) : "a" (p), "m" (*p) : "cc");
+		"	ic	%0,%O1(%R1)\n"
+		"	icm	%0,2,%O1+1(%R1)\n"
+		"	icm	%0,4,%O1+2(%R1)\n"
+		"	icm	%0,8,%O1+3(%R1)"
+		: "=&d" (word) : "Q" (*p) : "cc");
 #else
 	asm volatile(
 		"	lrvg	%0,%1"
diff --git a/arch/s390/include/asm/bug.h b/arch/s390/include/asm/bug.h
index b1066b9fb5f..9beeb9db9b2 100644
--- a/arch/s390/include/asm/bug.h
+++ b/arch/s390/include/asm/bug.h
@@ -5,12 +5,6 @@
 
 #ifdef CONFIG_BUG
 
-#ifdef CONFIG_64BIT
-#define S390_LONG ".quad"
-#else
-#define S390_LONG ".long"
-#endif
-
 #ifdef CONFIG_DEBUG_BUGVERBOSE
 
 #define __EMIT_BUG(x) do {					\
@@ -21,7 +15,7 @@
 		"2:	.asciz	\""__FILE__"\"\n"		\
 		".previous\n"					\
 		".section __bug_table,\"a\"\n"			\
-		"3:\t"	S390_LONG "\t1b,2b\n"			\
+		"3:	.long	1b-3b,2b-3b\n"			\
 		"	.short	%0,%1\n"			\
 		"	.org	3b+%2\n"			\
 		".previous\n"					\
@@ -37,7 +31,7 @@
 		"0:	j	0b+2\n"			\
 		"1:\n"					\
 		".section __bug_table,\"a\"\n"		\
-		"2:\t"	S390_LONG "\t1b\n"		\
+		"2:	.long	1b-2b\n"		\
 		"	.short	%0\n"			\
 		"	.org	2b+%1\n"		\
 		".previous\n"				\
diff --git a/arch/s390/include/asm/crw.h b/arch/s390/include/asm/crw.h
index 2185a6d619d..749a97e61be 100644
--- a/arch/s390/include/asm/crw.h
+++ b/arch/s390/include/asm/crw.h
@@ -32,6 +32,7 @@ typedef void (*crw_handler_t)(struct crw *, struct crw *, int);
 extern int crw_register_handler(int rsc, crw_handler_t handler);
 extern void crw_unregister_handler(int rsc);
 extern void crw_handle_channel_report(void);
+void crw_wait_for_channel_report(void);
 
 #define NR_RSCS 16
 
diff --git a/arch/s390/include/asm/etr.h b/arch/s390/include/asm/etr.h
index 80ef58c6197..538e1b36a72 100644
--- a/arch/s390/include/asm/etr.h
+++ b/arch/s390/include/asm/etr.h
@@ -145,11 +145,11 @@ static inline int etr_setr(struct etr_eacr *ctrl)
 	int rc = -ENOSYS;
 
 	asm volatile(
-		"	.insn	s,0xb2160000,0(%2)\n"
+		"	.insn	s,0xb2160000,%1\n"
 		"0:	la	%0,0\n"
 		"1:\n"
 		EX_TABLE(0b,1b)
-		: "+d" (rc) : "m" (*ctrl), "a" (ctrl));
+		: "+d" (rc) : "Q" (*ctrl));
 	return rc;
 }
 
@@ -159,11 +159,11 @@ static inline int etr_stetr(struct etr_aib *aib)
 	int rc = -ENOSYS;
 
 	asm volatile(
-		"	.insn	s,0xb2170000,0(%2)\n"
+		"	.insn	s,0xb2170000,%1\n"
 		"0:	la	%0,0\n"
 		"1:\n"
 		EX_TABLE(0b,1b)
-		: "+d" (rc) : "m" (*aib), "a" (aib));
+		: "+d" (rc) : "Q" (*aib));
 	return rc;
 }
 
@@ -174,11 +174,11 @@ static inline int etr_steai(struct etr_aib *aib, unsigned int func)
 	int rc = -ENOSYS;
 
 	asm volatile(
-		"	.insn	s,0xb2b30000,0(%2)\n"
+		"	.insn	s,0xb2b30000,%1\n"
 		"0:	la	%0,0\n"
 		"1:\n"
 		EX_TABLE(0b,1b)
-		: "+d" (rc) : "m" (*aib), "a" (aib), "d" (reg0));
+		: "+d" (rc) : "Q" (*aib), "d" (reg0));
 	return rc;
 }
 
diff --git a/arch/s390/include/asm/irqflags.h b/arch/s390/include/asm/irqflags.h
index c2fb432f576..15b3ac25389 100644
--- a/arch/s390/include/asm/irqflags.h
+++ b/arch/s390/include/asm/irqflags.h
@@ -8,8 +8,6 @@
 
 #include <linux/types.h>
 
-#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)
-
 /* store then or system mask. */
 #define __raw_local_irq_stosm(__or)					\
 ({									\
@@ -36,40 +34,6 @@
 	asm volatile("ssm   %0" : : "Q" (__mask) : "memory");		\
 })
 
-#else /* __GNUC__ */
-
-/* store then or system mask. */
-#define __raw_local_irq_stosm(__or)					\
-({									\
-	unsigned long __mask;						\
-	asm volatile(							\
-		"	stosm	0(%1),%2"				\
-		: "=m" (__mask)						\
-		: "a" (&__mask), "i" (__or) : "memory");		\
-	__mask;								\
-})
-
-/* store then and system mask. */
-#define __raw_local_irq_stnsm(__and)					\
-({									\
-	unsigned long __mask;						\
-	asm volatile(							\
-		"	stnsm	0(%1),%2"				\
-		: "=m" (__mask)						\
-		: "a" (&__mask), "i" (__and) : "memory");		\
-	__mask;								\
-})
-
-/* set system mask. */
-#define __raw_local_irq_ssm(__mask)					\
-({									\
-	asm volatile(							\
-		"	ssm	0(%0)"					\
-		: : "a" (&__mask), "m" (__mask) : "memory");		\
-})
-
-#endif /* __GNUC__ */
-
 /* interrupt control.. */
 static inline unsigned long raw_local_irq_enable(void)
 {
diff --git a/arch/s390/include/asm/lowcore.h b/arch/s390/include/asm/lowcore.h
index c25dfac7dd7..05527c040b7 100644
--- a/arch/s390/include/asm/lowcore.h
+++ b/arch/s390/include/asm/lowcore.h
@@ -1,141 +1,16 @@
 /*
- *  include/asm-s390/lowcore.h
- *
- *  S390 version
- *    Copyright (C) 1999,2000 IBM Deutschland Entwicklung GmbH, IBM Corporation
- *    Author(s): Hartmut Penner (hp@de.ibm.com),
- *               Martin Schwidefsky (schwidefsky@de.ibm.com),
- *               Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com)
+ *    Copyright IBM Corp. 1999,2010
+ *    Author(s): Hartmut Penner <hp@de.ibm.com>,
+ *		 Martin Schwidefsky <schwidefsky@de.ibm.com>,
+ *		 Denis Joseph Barrow,
  */
 
 #ifndef _ASM_S390_LOWCORE_H
 #define _ASM_S390_LOWCORE_H
 
-#define __LC_IPL_PARMBLOCK_PTR		0x0014
-#define __LC_EXT_PARAMS			0x0080
-#define __LC_CPU_ADDRESS		0x0084
-#define __LC_EXT_INT_CODE		0x0086
-
-#define __LC_SVC_ILC			0x0088
-#define __LC_SVC_INT_CODE		0x008a
-#define __LC_PGM_ILC			0x008c
-#define __LC_PGM_INT_CODE		0x008e
-
-#define __LC_PER_ATMID			0x0096
-#define __LC_PER_ADDRESS		0x0098
-#define __LC_PER_ACCESS_ID		0x00a1
-#define __LC_AR_MODE_ID			0x00a3
-
-#define __LC_SUBCHANNEL_ID		0x00b8
-#define __LC_SUBCHANNEL_NR		0x00ba
-#define __LC_IO_INT_PARM		0x00bc
-#define __LC_IO_INT_WORD		0x00c0
-#define __LC_STFL_FAC_LIST		0x00c8
-#define __LC_MCCK_CODE			0x00e8
-
-#define __LC_DUMP_REIPL			0x0e00
-
-#ifndef __s390x__
-#define __LC_EXT_OLD_PSW		0x0018
-#define __LC_SVC_OLD_PSW		0x0020
-#define __LC_PGM_OLD_PSW		0x0028
-#define __LC_MCK_OLD_PSW		0x0030
-#define __LC_IO_OLD_PSW			0x0038
-#define __LC_EXT_NEW_PSW		0x0058
-#define __LC_SVC_NEW_PSW		0x0060
-#define __LC_PGM_NEW_PSW		0x0068
-#define __LC_MCK_NEW_PSW		0x0070
-#define __LC_IO_NEW_PSW			0x0078
-#define __LC_SAVE_AREA			0x0200
-#define __LC_RETURN_PSW			0x0240
-#define __LC_RETURN_MCCK_PSW		0x0248
-#define __LC_SYNC_ENTER_TIMER		0x0250
-#define __LC_ASYNC_ENTER_TIMER		0x0258
-#define __LC_EXIT_TIMER			0x0260
-#define __LC_USER_TIMER			0x0268
-#define __LC_SYSTEM_TIMER		0x0270
-#define __LC_STEAL_TIMER		0x0278
-#define __LC_LAST_UPDATE_TIMER		0x0280
-#define __LC_LAST_UPDATE_CLOCK		0x0288
-#define __LC_CURRENT			0x0290
-#define __LC_THREAD_INFO		0x0294
-#define __LC_KERNEL_STACK		0x0298
-#define __LC_ASYNC_STACK		0x029c
-#define __LC_PANIC_STACK		0x02a0
-#define __LC_KERNEL_ASCE		0x02a4
-#define __LC_USER_ASCE			0x02a8
-#define __LC_USER_EXEC_ASCE		0x02ac
-#define __LC_CPUID			0x02b0
-#define __LC_INT_CLOCK			0x02c8
-#define __LC_MACHINE_FLAGS		0x02d8
-#define __LC_FTRACE_FUNC		0x02dc
-#define __LC_IRB			0x0300
-#define __LC_PFAULT_INTPARM		0x0080
-#define __LC_CPU_TIMER_SAVE_AREA	0x00d8
-#define __LC_CLOCK_COMP_SAVE_AREA	0x00e0
-#define __LC_PSW_SAVE_AREA		0x0100
-#define __LC_PREFIX_SAVE_AREA		0x0108
-#define __LC_AREGS_SAVE_AREA		0x0120
-#define __LC_FPREGS_SAVE_AREA		0x0160
-#define __LC_GPREGS_SAVE_AREA		0x0180
-#define __LC_CREGS_SAVE_AREA		0x01c0
-#else /* __s390x__ */
-#define __LC_LAST_BREAK			0x0110
-#define __LC_EXT_OLD_PSW		0x0130
-#define __LC_SVC_OLD_PSW		0x0140
-#define __LC_PGM_OLD_PSW		0x0150
-#define __LC_MCK_OLD_PSW		0x0160
-#define __LC_IO_OLD_PSW			0x0170
-#define __LC_RESTART_PSW		0x01a0
-#define __LC_EXT_NEW_PSW		0x01b0
-#define __LC_SVC_NEW_PSW		0x01c0
-#define __LC_PGM_NEW_PSW		0x01d0
-#define __LC_MCK_NEW_PSW		0x01e0
-#define __LC_IO_NEW_PSW			0x01f0
-#define __LC_SAVE_AREA			0x0200
-#define __LC_RETURN_PSW			0x0280
-#define __LC_RETURN_MCCK_PSW		0x0290
-#define __LC_SYNC_ENTER_TIMER		0x02a0
-#define __LC_ASYNC_ENTER_TIMER		0x02a8
-#define __LC_EXIT_TIMER			0x02b0
-#define __LC_USER_TIMER			0x02b8
-#define __LC_SYSTEM_TIMER		0x02c0
-#define __LC_STEAL_TIMER		0x02c8
-#define __LC_LAST_UPDATE_TIMER		0x02d0
-#define __LC_LAST_UPDATE_CLOCK		0x02d8
-#define __LC_CURRENT			0x02e0
-#define __LC_THREAD_INFO		0x02e8
-#define __LC_KERNEL_STACK		0x02f0
-#define __LC_ASYNC_STACK		0x02f8
-#define __LC_PANIC_STACK		0x0300
-#define __LC_KERNEL_ASCE		0x0308
-#define __LC_USER_ASCE			0x0310
-#define __LC_USER_EXEC_ASCE		0x0318
-#define __LC_CPUID			0x0320
-#define __LC_INT_CLOCK			0x0340
-#define __LC_VDSO_PER_CPU		0x0350
-#define __LC_MACHINE_FLAGS		0x0358
-#define __LC_FTRACE_FUNC		0x0360
-#define __LC_IRB			0x0380
-#define __LC_PASTE			0x03c0
-#define __LC_PFAULT_INTPARM		0x11b8
-#define __LC_FPREGS_SAVE_AREA		0x1200
-#define __LC_GPREGS_SAVE_AREA		0x1280
-#define __LC_PSW_SAVE_AREA		0x1300
-#define __LC_PREFIX_SAVE_AREA		0x1318
-#define __LC_FP_CREG_SAVE_AREA		0x131c
-#define __LC_TODREG_SAVE_AREA		0x1324
-#define __LC_CPU_TIMER_SAVE_AREA	0x1328
-#define __LC_CLOCK_COMP_SAVE_AREA	0x1331
-#define __LC_AREGS_SAVE_AREA		0x1340
-#define __LC_CREGS_SAVE_AREA		0x1380
-#endif /* __s390x__ */
-
-#ifndef __ASSEMBLY__
-
-#include <asm/cpu.h>
-#include <asm/ptrace.h>
 #include <linux/types.h>
+#include <asm/ptrace.h>
+#include <asm/cpu.h>
 
 void restart_int_handler(void);
 void ext_int_handler(void);
@@ -144,7 +19,12 @@ void pgm_check_handler(void);
 void mcck_int_handler(void);
 void io_int_handler(void);
 
-struct save_area_s390 {
+#ifdef CONFIG_32BIT
+
+#define LC_ORDER 0
+#define LC_PAGES 1
+
+struct save_area {
 	u32	ext_save;
 	u64	timer;
 	u64	clk_cmp;
@@ -156,54 +36,13 @@ struct save_area_s390 {
 	u64	fp_regs[4];
 	u32	gp_regs[16];
 	u32	ctrl_regs[16];
-}  __attribute__((packed));
+} __packed;
 
-struct save_area_s390x {
-	u64	fp_regs[16];
-	u64	gp_regs[16];
-	u8	psw[16];
-	u8	pad1[8];
-	u32	pref_reg;
-	u32	fp_ctrl_reg;
-	u8	pad2[4];
-	u32	tod_reg;
-	u64	timer;
-	u64	clk_cmp;
-	u8	pad3[8];
-	u32	acc_regs[16];
-	u64	ctrl_regs[16];
-}  __attribute__((packed));
-
-union save_area {
-	struct save_area_s390	s390;
-	struct save_area_s390x	s390x;
-};
-
-#define SAVE_AREA_BASE_S390	0xd4
-#define SAVE_AREA_BASE_S390X	0x1200
-
-#ifndef __s390x__
-#define SAVE_AREA_SIZE sizeof(struct save_area_s390)
-#define SAVE_AREA_BASE SAVE_AREA_BASE_S390
-#else
-#define SAVE_AREA_SIZE sizeof(struct save_area_s390x)
-#define SAVE_AREA_BASE SAVE_AREA_BASE_S390X
-#endif
-
-#ifndef __s390x__
-#define LC_ORDER 0
-#else
-#define LC_ORDER 1
-#endif
-
-#define LC_PAGES (1UL << LC_ORDER)
-
-struct _lowcore
-{
-#ifndef __s390x__
-	/* 0x0000 - 0x01ff: defined by architecture */
+struct _lowcore {
 	psw_t	restart_psw;			/* 0x0000 */
-	__u32	ccw2[4];			/* 0x0008 */
+	psw_t	restart_old_psw;		/* 0x0008 */
+	__u8	pad_0x0010[0x0014-0x0010];	/* 0x0010 */
+	__u32	ipl_parmblock_ptr;		/* 0x0014 */
 	psw_t	external_old_psw;		/* 0x0018 */
 	psw_t	svc_old_psw;			/* 0x0020 */
 	psw_t	program_old_psw;		/* 0x0028 */
@@ -229,7 +68,9 @@ struct _lowcore
 	__u32	monitor_code;			/* 0x009c */
 	__u8	exc_access_id;			/* 0x00a0 */
 	__u8	per_access_id;			/* 0x00a1 */
-	__u8	pad_0x00a2[0x00b8-0x00a2];	/* 0x00a2 */
+	__u8	op_access_id;			/* 0x00a2 */
+	__u8	ar_access_id;			/* 0x00a3 */
+	__u8	pad_0x00a4[0x00b8-0x00a4];	/* 0x00a4 */
 	__u16	subchannel_id;			/* 0x00b8 */
 	__u16	subchannel_nr;			/* 0x00ba */
 	__u32	io_int_parm;			/* 0x00bc */
@@ -245,8 +86,9 @@ struct _lowcore
 	__u32	external_damage_code;		/* 0x00f4 */
 	__u32	failing_storage_address;	/* 0x00f8 */
 	__u8	pad_0x00fc[0x0100-0x00fc];	/* 0x00fc */
-	__u32	st_status_fixed_logout[4];	/* 0x0100 */
-	__u8	pad_0x0110[0x0120-0x0110];	/* 0x0110 */
+	psw_t	psw_save_area;			/* 0x0100 */
+	__u32	prefixreg_save_area;		/* 0x0108 */
+	__u8	pad_0x010c[0x0120-0x010c];	/* 0x010c */
 
 	/* CPU register save area: defined by architecture */
 	__u32	access_regs_save_area[16];	/* 0x0120 */
@@ -310,10 +152,32 @@ struct _lowcore
 
 	/* Align to the top 1k of prefix area */
 	__u8	pad_0x0e08[0x1000-0x0e08];	/* 0x0e08 */
-#else /* !__s390x__ */
-	/* 0x0000 - 0x01ff: defined by architecture */
-	__u32	ccw1[2];			/* 0x0000 */
-	__u32	ccw2[4];			/* 0x0008 */
+} __packed;
+
+#else /* CONFIG_32BIT */
+
+#define LC_ORDER 1
+#define LC_PAGES 2
+
+struct save_area {
+	u64	fp_regs[16];
+	u64	gp_regs[16];
+	u8	psw[16];
+	u8	pad1[8];
+	u32	pref_reg;
+	u32	fp_ctrl_reg;
+	u8	pad2[4];
+	u32	tod_reg;
+	u64	timer;
+	u64	clk_cmp;
+	u8	pad3[8];
+	u32	acc_regs[16];
+	u64	ctrl_regs[16];
+} __packed;
+
+struct _lowcore {
+	__u8	pad_0x0000[0x0014-0x0000];	/* 0x0000 */
+	__u32	ipl_parmblock_ptr;		/* 0x0014 */
 	__u8	pad_0x0018[0x0080-0x0018];	/* 0x0018 */
 	__u32	ext_params;			/* 0x0080 */
 	__u16	cpu_addr;			/* 0x0084 */
@@ -344,7 +208,9 @@ struct _lowcore
 	__u8	pad_0x00f0[0x00f4-0x00f0];	/* 0x00f0 */
 	__u32	external_damage_code;		/* 0x00f4 */
 	addr_t	failing_storage_address;	/* 0x00f8 */
-	__u8	pad_0x0100[0x0120-0x0100];	/* 0x0100 */
+	__u8	pad_0x0100[0x0110-0x0100];	/* 0x0100 */
+	__u64	breaking_event_addr;		/* 0x0110 */
+	__u8	pad_0x0118[0x0120-0x0118];	/* 0x0118 */
 	psw_t	restart_old_psw;		/* 0x0120 */
 	psw_t	external_old_psw;		/* 0x0130 */
 	psw_t	svc_old_psw;			/* 0x0140 */
@@ -425,7 +291,7 @@ struct _lowcore
 	/* CPU register save area: defined by architecture */
 	__u64	floating_pt_save_area[16];	/* 0x1200 */
 	__u64	gpregs_save_area[16];		/* 0x1280 */
-	__u32	st_status_fixed_logout[4];	/* 0x1300 */
+	psw_t	psw_save_area;			/* 0x1300 */
 	__u8	pad_0x1310[0x1318-0x1310];	/* 0x1310 */
 	__u32	prefixreg_save_area;		/* 0x1318 */
 	__u32	fpt_creg_save_area;		/* 0x131c */
@@ -439,10 +305,12 @@ struct _lowcore
 
 	/* align to the top of the prefix area */
 	__u8	pad_0x1400[0x2000-0x1400];	/* 0x1400 */
-#endif /* !__s390x__ */
-} __attribute__((packed)); /* End structure*/
+} __packed;
+
+#endif /* CONFIG_32BIT */
 
 #define S390_lowcore (*((struct _lowcore *) 0))
+
 extern struct _lowcore *lowcore_ptr[];
 
 static inline void set_prefix(__u32 address)
@@ -458,6 +326,4 @@ static inline __u32 store_prefix(void)
 	return address;
 }
 
-#endif
-
-#endif
+#endif /* _ASM_S390_LOWCORE_H */
diff --git a/arch/s390/include/asm/page.h b/arch/s390/include/asm/page.h
index 5e9daf5d7f2..af650fb4720 100644
--- a/arch/s390/include/asm/page.h
+++ b/arch/s390/include/asm/page.h
@@ -107,9 +107,6 @@ typedef pte_t *pgtable_t;
 #define __pgd(x)        ((pgd_t) { (x) } )
 #define __pgprot(x)     ((pgprot_t) { (x) } )
 
-/* default storage key used for all pages */
-extern unsigned int default_storage_key;
-
 static inline void
 page_set_storage_key(unsigned long addr, unsigned int skey)
 {
diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h
index b4271545831..73e259834e1 100644
--- a/arch/s390/include/asm/processor.h
+++ b/arch/s390/include/asm/processor.h
@@ -28,7 +28,7 @@
 
 static inline void get_cpu_id(struct cpuid *ptr)
 {
-	asm volatile("stidp 0(%1)" : "=m" (*ptr) : "a" (ptr));
+	asm volatile("stidp %0" : "=Q" (*ptr));
 }
 
 extern void s390_adjust_jiffies(void);
@@ -184,9 +184,9 @@ static inline void psw_set_key(unsigned int key)
 static inline void __load_psw(psw_t psw)
 {
 #ifndef __s390x__
-	asm volatile("lpsw  0(%0)" : : "a" (&psw), "m" (psw) : "cc");
+	asm volatile("lpsw  %0" : : "Q" (psw) : "cc");
 #else
-	asm volatile("lpswe 0(%0)" : : "a" (&psw), "m" (psw) : "cc");
+	asm volatile("lpswe %0" : : "Q" (psw) : "cc");
 #endif
 }
 
@@ -206,17 +206,17 @@ static inline void __load_psw_mask (unsigned long mask)
 	asm volatile(
 		"	basr	%0,0\n"
 		"0:	ahi	%0,1f-0b\n"
-		"	st	%0,4(%1)\n"
-		"	lpsw	0(%1)\n"
+		"	st	%0,%O1+4(%R1)\n"
+		"	lpsw	%1\n"
 		"1:"
-		: "=&d" (addr) : "a" (&psw), "m" (psw) : "memory", "cc");
+		: "=&d" (addr), "=Q" (psw) : "Q" (psw) : "memory", "cc");
 #else /* __s390x__ */
 	asm volatile(
 		"	larl	%0,1f\n"
-		"	stg	%0,8(%1)\n"
-		"	lpswe	0(%1)\n"
+		"	stg	%0,%O1+8(%R1)\n"
+		"	lpswe	%1\n"
 		"1:"
-		: "=&d" (addr) : "a" (&psw), "m" (psw) : "memory", "cc");
+		: "=&d" (addr), "=Q" (psw) : "Q" (psw) : "memory", "cc");
 #endif /* __s390x__ */
 }
  
diff --git a/arch/s390/include/asm/qdio.h b/arch/s390/include/asm/qdio.h
index 79d849f014f..c666bfe5e98 100644
--- a/arch/s390/include/asm/qdio.h
+++ b/arch/s390/include/asm/qdio.h
@@ -13,7 +13,8 @@
 #include <asm/cio.h>
 #include <asm/ccwdev.h>
 
-#define QDIO_MAX_QUEUES_PER_IRQ		32
+/* only use 4 queues to save some cachelines */
+#define QDIO_MAX_QUEUES_PER_IRQ		4
 #define QDIO_MAX_BUFFERS_PER_Q		128
 #define QDIO_MAX_BUFFERS_MASK		(QDIO_MAX_BUFFERS_PER_Q - 1)
 #define QDIO_MAX_ELEMENTS_PER_BUFFER	16
diff --git a/arch/s390/include/asm/rwsem.h b/arch/s390/include/asm/rwsem.h
index 9d2a1797180..423fdda2322 100644
--- a/arch/s390/include/asm/rwsem.h
+++ b/arch/s390/include/asm/rwsem.h
@@ -124,21 +124,21 @@ static inline void __down_read(struct rw_semaphore *sem)
 
 	asm volatile(
 #ifndef __s390x__
-		"	l	%0,0(%3)\n"
+		"	l	%0,%2\n"
 		"0:	lr	%1,%0\n"
-		"	ahi	%1,%5\n"
-		"	cs	%0,%1,0(%3)\n"
+		"	ahi	%1,%4\n"
+		"	cs	%0,%1,%2\n"
 		"	jl	0b"
 #else /* __s390x__ */
-		"	lg	%0,0(%3)\n"
+		"	lg	%0,%2\n"
 		"0:	lgr	%1,%0\n"
-		"	aghi	%1,%5\n"
-		"	csg	%0,%1,0(%3)\n"
+		"	aghi	%1,%4\n"
+		"	csg	%0,%1,%2\n"
 		"	jl	0b"
 #endif /* __s390x__ */
-		: "=&d" (old), "=&d" (new), "=m" (sem->count)
-		: "a" (&sem->count), "m" (sem->count),
-		  "i" (RWSEM_ACTIVE_READ_BIAS) : "cc", "memory");
+		: "=&d" (old), "=&d" (new), "=Q" (sem->count)
+		: "Q" (sem->count), "i" (RWSEM_ACTIVE_READ_BIAS)
+		: "cc", "memory");
 	if (old < 0)
 		rwsem_down_read_failed(sem);
 }
@@ -152,25 +152,25 @@ static inline int __down_read_trylock(struct rw_semaphore *sem)
 
 	asm volatile(
 #ifndef __s390x__
-		"	l	%0,0(%3)\n"
+		"	l	%0,%2\n"
 		"0:	ltr	%1,%0\n"
 		"	jm	1f\n"
-		"	ahi	%1,%5\n"
-		"	cs	%0,%1,0(%3)\n"
+		"	ahi	%1,%4\n"
+		"	cs	%0,%1,%2\n"
 		"	jl	0b\n"
 		"1:"
 #else /* __s390x__ */
-		"	lg	%0,0(%3)\n"
+		"	lg	%0,%2\n"
 		"0:	ltgr	%1,%0\n"
 		"	jm	1f\n"
-		"	aghi	%1,%5\n"
-		"	csg	%0,%1,0(%3)\n"
+		"	aghi	%1,%4\n"
+		"	csg	%0,%1,%2\n"
 		"	jl	0b\n"
 		"1:"
 #endif /* __s390x__ */
-		: "=&d" (old), "=&d" (new), "=m" (sem->count)
-		: "a" (&sem->count), "m" (sem->count),
-		  "i" (RWSEM_ACTIVE_READ_BIAS) : "cc", "memory");
+		: "=&d" (old), "=&d" (new), "=Q" (sem->count)
+		: "Q" (sem->count), "i" (RWSEM_ACTIVE_READ_BIAS)
+		: "cc", "memory");
 	return old >= 0 ? 1 : 0;
 }
 
@@ -184,20 +184,20 @@ static inline void __down_write_nested(struct rw_semaphore *sem, int subclass)
 	tmp = RWSEM_ACTIVE_WRITE_BIAS;
 	asm volatile(
 #ifndef __s390x__
-		"	l	%0,0(%3)\n"
+		"	l	%0,%2\n"
 		"0:	lr	%1,%0\n"
-		"	a	%1,%5\n"
-		"	cs	%0,%1,0(%3)\n"
+		"	a	%1,%4\n"
+		"	cs	%0,%1,%2\n"
 		"	jl	0b"
 #else /* __s390x__ */
-		"	lg	%0,0(%3)\n"
+		"	lg	%0,%2\n"
 		"0:	lgr	%1,%0\n"
-		"	ag	%1,%5\n"
-		"	csg	%0,%1,0(%3)\n"
+		"	ag	%1,%4\n"
+		"	csg	%0,%1,%2\n"
 		"	jl	0b"
 #endif /* __s390x__ */
-		: "=&d" (old), "=&d" (new), "=m" (sem->count)
-		: "a" (&sem->count), "m" (sem->count), "m" (tmp)
+		: "=&d" (old), "=&d" (new), "=Q" (sem->count)
+		: "Q" (sem->count), "m" (tmp)
 		: "cc", "memory");
 	if (old != 0)
 		rwsem_down_write_failed(sem);
@@ -217,22 +217,22 @@ static inline int __down_write_trylock(struct rw_semaphore *sem)
 
 	asm volatile(
 #ifndef __s390x__
-		"	l	%0,0(%2)\n"
+		"	l	%0,%1\n"
 		"0:	ltr	%0,%0\n"
 		"	jnz	1f\n"
-		"	cs	%0,%4,0(%2)\n"
+		"	cs	%0,%3,%1\n"
 		"	jl	0b\n"
 #else /* __s390x__ */
-		"	lg	%0,0(%2)\n"
+		"	lg	%0,%1\n"
 		"0:	ltgr	%0,%0\n"
 		"	jnz	1f\n"
-		"	csg	%0,%4,0(%2)\n"
+		"	csg	%0,%3,%1\n"
 		"	jl	0b\n"
 #endif /* __s390x__ */
 		"1:"
-		: "=&d" (old), "=m" (sem->count)
-		: "a" (&sem->count), "m" (sem->count),
-		  "d" (RWSEM_ACTIVE_WRITE_BIAS) : "cc", "memory");
+		: "=&d" (old), "=Q" (sem->count)
+		: "Q" (sem->count), "d" (RWSEM_ACTIVE_WRITE_BIAS)
+		: "cc", "memory");
 	return (old == RWSEM_UNLOCKED_VALUE) ? 1 : 0;
 }
 
@@ -245,21 +245,20 @@ static inline void __up_read(struct rw_semaphore *sem)
 
 	asm volatile(
 #ifndef __s390x__
-		"	l	%0,0(%3)\n"
+		"	l	%0,%2\n"
 		"0:	lr	%1,%0\n"
-		"	ahi	%1,%5\n"
-		"	cs	%0,%1,0(%3)\n"
+		"	ahi	%1,%4\n"
+		"	cs	%0,%1,%2\n"
 		"	jl	0b"
 #else /* __s390x__ */
-		"	lg	%0,0(%3)\n"
+		"	lg	%0,%2\n"
 		"0:	lgr	%1,%0\n"
-		"	aghi	%1,%5\n"
-		"	csg	%0,%1,0(%3)\n"
+		"	aghi	%1,%4\n"
+		"	csg	%0,%1,%2\n"
 		"	jl	0b"
 #endif /* __s390x__ */
-		: "=&d" (old), "=&d" (new), "=m" (sem->count)
-		: "a" (&sem->count), "m" (sem->count),
-		  "i" (-RWSEM_ACTIVE_READ_BIAS)
+		: "=&d" (old), "=&d" (new), "=Q" (sem->count)
+		: "Q" (sem->count), "i" (-RWSEM_ACTIVE_READ_BIAS)
 		: "cc", "memory");
 	if (new < 0)
 		if ((new & RWSEM_ACTIVE_MASK) == 0)
@@ -276,20 +275,20 @@ static inline void __up_write(struct rw_semaphore *sem)
 	tmp = -RWSEM_ACTIVE_WRITE_BIAS;
 	asm volatile(
 #ifndef __s390x__
-		"	l	%0,0(%3)\n"
+		"	l	%0,%2\n"
 		"0:	lr	%1,%0\n"
-		"	a	%1,%5\n"
-		"	cs	%0,%1,0(%3)\n"
+		"	a	%1,%4\n"
+		"	cs	%0,%1,%2\n"
 		"	jl	0b"
 #else /* __s390x__ */
-		"	lg	%0,0(%3)\n"
+		"	lg	%0,%2\n"
 		"0:	lgr	%1,%0\n"
-		"	ag	%1,%5\n"
-		"	csg	%0,%1,0(%3)\n"
+		"	ag	%1,%4\n"
+		"	csg	%0,%1,%2\n"
 		"	jl	0b"
 #endif /* __s390x__ */
-		: "=&d" (old), "=&d" (new), "=m" (sem->count)
-		: "a" (&sem->count), "m" (sem->count), "m" (tmp)
+		: "=&d" (old), "=&d" (new), "=Q" (sem->count)
+		: "Q" (sem->count), "m" (tmp)
 		: "cc", "memory");
 	if (new < 0)
 		if ((new & RWSEM_ACTIVE_MASK) == 0)
@@ -306,20 +305,20 @@ static inline void __downgrade_write(struct rw_semaphore *sem)
 	tmp = -RWSEM_WAITING_BIAS;
 	asm volatile(
 #ifndef __s390x__
-		"	l	%0,0(%3)\n"
+		"	l	%0,%2\n"
 		"0:	lr	%1,%0\n"
-		"	a	%1,%5\n"
-		"	cs	%0,%1,0(%3)\n"
+		"	a	%1,%4\n"
+		"	cs	%0,%1,%2\n"
 		"	jl	0b"
 #else /* __s390x__ */
-		"	lg	%0,0(%3)\n"
+		"	lg	%0,%2\n"
 		"0:	lgr	%1,%0\n"
-		"	ag	%1,%5\n"
-		"	csg	%0,%1,0(%3)\n"
+		"	ag	%1,%4\n"
+		"	csg	%0,%1,%2\n"
 		"	jl	0b"
 #endif /* __s390x__ */
-		: "=&d" (old), "=&d" (new), "=m" (sem->count)
-		: "a" (&sem->count), "m" (sem->count), "m" (tmp)
+		: "=&d" (old), "=&d" (new), "=Q" (sem->count)
+		: "Q" (sem->count), "m" (tmp)
 		: "cc", "memory");
 	if (new > 1)
 		rwsem_downgrade_wake(sem);
@@ -334,20 +333,20 @@ static inline void rwsem_atomic_add(long delta, struct rw_semaphore *sem)
 
 	asm volatile(
 #ifndef __s390x__
-		"	l	%0,0(%3)\n"
+		"	l	%0,%2\n"
 		"0:	lr	%1,%0\n"
-		"	ar	%1,%5\n"
-		"	cs	%0,%1,0(%3)\n"
+		"	ar	%1,%4\n"
+		"	cs	%0,%1,%2\n"
 		"	jl	0b"
 #else /* __s390x__ */
-		"	lg	%0,0(%3)\n"
+		"	lg	%0,%2\n"
 		"0:	lgr	%1,%0\n"
-		"	agr	%1,%5\n"
-		"	csg	%0,%1,0(%3)\n"
+		"	agr	%1,%4\n"
+		"	csg	%0,%1,%2\n"
 		"	jl	0b"
 #endif /* __s390x__ */
-		: "=&d" (old), "=&d" (new), "=m" (sem->count)
-		: "a" (&sem->count), "m" (sem->count), "d" (delta)
+		: "=&d" (old), "=&d" (new), "=Q" (sem->count)
+		: "Q" (sem->count), "d" (delta)
 		: "cc", "memory");
 }
 
@@ -360,20 +359,20 @@ static inline long rwsem_atomic_update(long delta, struct rw_semaphore *sem)
 
 	asm volatile(
 #ifndef __s390x__
-		"	l	%0,0(%3)\n"
+		"	l	%0,%2\n"
 		"0:	lr	%1,%0\n"
-		"	ar	%1,%5\n"
-		"	cs	%0,%1,0(%3)\n"
+		"	ar	%1,%4\n"
+		"	cs	%0,%1,%2\n"
 		"	jl	0b"
 #else /* __s390x__ */
-		"	lg	%0,0(%3)\n"
+		"	lg	%0,%2\n"
 		"0:	lgr	%1,%0\n"
-		"	agr	%1,%5\n"
-		"	csg	%0,%1,0(%3)\n"
+		"	agr	%1,%4\n"
+		"	csg	%0,%1,%2\n"
 		"	jl	0b"
 #endif /* __s390x__ */
-		: "=&d" (old), "=&d" (new), "=m" (sem->count)
-		: "a" (&sem->count), "m" (sem->count), "d" (delta)
+		: "=&d" (old), "=&d" (new), "=Q" (sem->count)
+		: "Q" (sem->count), "d" (delta)
 		: "cc", "memory");
 	return new;
 }
diff --git a/arch/s390/include/asm/setup.h b/arch/s390/include/asm/setup.h
index 52a779c337e..9ab6bd3a65d 100644
--- a/arch/s390/include/asm/setup.h
+++ b/arch/s390/include/asm/setup.h
@@ -14,14 +14,14 @@
 
 #ifdef __KERNEL__
 
-#include <asm/lowcore.h>
-#include <asm/types.h>
-
 #define PARMAREA		0x10400
 #define MEMORY_CHUNKS		256
 
 #ifndef __ASSEMBLY__
 
+#include <asm/lowcore.h>
+#include <asm/types.h>
+
 #ifndef __s390x__
 #define IPL_DEVICE        (*(unsigned long *)  (0x10404))
 #define INITRD_START      (*(unsigned long *)  (0x1040C))
@@ -71,9 +71,12 @@ extern unsigned int user_mode;
 #define MACHINE_FLAG_KVM	(1UL << 9)
 #define MACHINE_FLAG_HPAGE	(1UL << 10)
 #define MACHINE_FLAG_PFMF	(1UL << 11)
+#define MACHINE_FLAG_LPAR	(1UL << 12)
 
 #define MACHINE_IS_VM		(S390_lowcore.machine_flags & MACHINE_FLAG_VM)
 #define MACHINE_IS_KVM		(S390_lowcore.machine_flags & MACHINE_FLAG_KVM)
+#define MACHINE_IS_LPAR		(S390_lowcore.machine_flags & MACHINE_FLAG_LPAR)
+
 #define MACHINE_HAS_DIAG9C	(S390_lowcore.machine_flags & MACHINE_FLAG_DIAG9C)
 
 #ifndef __s390x__
diff --git a/arch/s390/include/asm/sigp.h b/arch/s390/include/asm/sigp.h
index f72d611f7e1..e3bffd4e2d6 100644
--- a/arch/s390/include/asm/sigp.h
+++ b/arch/s390/include/asm/sigp.h
@@ -1,24 +1,19 @@
 /*
- *  include/asm-s390/sigp.h
+ *  Routines and structures for signalling other processors.
  *
- *  S390 version
- *    Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation
- *    Author(s): Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com),
- *               Martin Schwidefsky (schwidefsky@de.ibm.com)
- *               Heiko Carstens (heiko.carstens@de.ibm.com)
- *
- *  sigp.h by D.J. Barrow (c) IBM 1999
- *  contains routines / structures for signalling other S/390 processors in an
- *  SMP configuration.
+ *    Copyright IBM Corp. 1999,2010
+ *    Author(s): Denis Joseph Barrow,
+ *		 Martin Schwidefsky <schwidefsky@de.ibm.com>,
+ *		 Heiko Carstens <heiko.carstens@de.ibm.com>,
  */
 
-#ifndef __SIGP__
-#define __SIGP__
+#ifndef __ASM_SIGP_H
+#define __ASM_SIGP_H
 
 #include <asm/system.h>
 
-/* get real cpu address from logical cpu number */
-extern int __cpu_logical_map[];
+/* Get real cpu address from logical cpu number. */
+extern unsigned short __cpu_logical_map[];
 
 static inline int cpu_logical_map(int cpu)
 {
@@ -29,107 +24,108 @@ static inline int cpu_logical_map(int cpu)
 #endif
 }
 
-typedef enum
-{
-	sigp_unassigned=0x0,
-	sigp_sense,
-	sigp_external_call,
-	sigp_emergency_signal,
-	sigp_start,
-	sigp_stop,
-	sigp_restart,
-	sigp_unassigned1,
-	sigp_unassigned2,
-	sigp_stop_and_store_status,
-	sigp_unassigned3,
-	sigp_initial_cpu_reset,
-	sigp_cpu_reset,
-	sigp_set_prefix,
-	sigp_store_status_at_address,
-	sigp_store_extended_status_at_address
-} sigp_order_code;
-
-typedef __u32 sigp_status_word;
-
-typedef enum
-{
-        sigp_order_code_accepted=0,
-	sigp_status_stored,
-	sigp_busy,
-	sigp_not_operational
-} sigp_ccode;
-
+enum {
+	sigp_sense = 1,
+	sigp_external_call = 2,
+	sigp_emergency_signal = 3,
+	sigp_start = 4,
+	sigp_stop = 5,
+	sigp_restart = 6,
+	sigp_stop_and_store_status = 9,
+	sigp_initial_cpu_reset = 11,
+	sigp_cpu_reset = 12,
+	sigp_set_prefix = 13,
+	sigp_store_status_at_address = 14,
+	sigp_store_extended_status_at_address = 15,
+	sigp_set_architecture = 18,
+	sigp_conditional_emergency_signal = 19,
+	sigp_sense_running = 21,
+};
+
+enum {
+	sigp_order_code_accepted = 0,
+	sigp_status_stored = 1,
+	sigp_busy = 2,
+	sigp_not_operational = 3,
+};
 
 /*
- * Definitions for the external call
+ * Definitions for external call.
  */
-
-/* 'Bit' signals, asynchronous */
-typedef enum
-{
-	ec_schedule=0,
+enum {
+	ec_schedule = 0,
 	ec_call_function,
 	ec_call_function_single,
-	ec_bit_last
-} ec_bit_sig;
+};
 
 /*
- * Signal processor
+ * Signal processor.
  */
-static inline sigp_ccode
-signal_processor(__u16 cpu_addr, sigp_order_code order_code)
+static inline int raw_sigp(u16 cpu, int order)
 {
 	register unsigned long reg1 asm ("1") = 0;
-	sigp_ccode ccode;
+	int ccode;
 
 	asm volatile(
 		"	sigp	%1,%2,0(%3)\n"
 		"	ipm	%0\n"
 		"	srl	%0,28\n"
 		:	"=d"	(ccode)
-		: "d" (reg1), "d" (cpu_logical_map(cpu_addr)),
-		  "a" (order_code) : "cc" , "memory");
+		: "d" (reg1), "d" (cpu),
+		  "a" (order) : "cc" , "memory");
 	return ccode;
 }
 
 /*
- * Signal processor with parameter
+ * Signal processor with parameter.
  */
-static inline sigp_ccode
-signal_processor_p(__u32 parameter, __u16 cpu_addr, sigp_order_code order_code)
+static inline int raw_sigp_p(u32 parameter, u16 cpu, int order)
 {
 	register unsigned int reg1 asm ("1") = parameter;
-	sigp_ccode ccode;
+	int ccode;
 
 	asm volatile(
 		"	sigp	%1,%2,0(%3)\n"
 		"	ipm	%0\n"
 		"	srl	%0,28\n"
 		: "=d" (ccode)
-		: "d" (reg1), "d" (cpu_logical_map(cpu_addr)),
-		  "a" (order_code) : "cc" , "memory");
+		: "d" (reg1), "d" (cpu),
+		  "a" (order) : "cc" , "memory");
 	return ccode;
 }
 
 /*
- * Signal processor with parameter and return status
+ * Signal processor with parameter and return status.
  */
-static inline sigp_ccode
-signal_processor_ps(__u32 *statusptr, __u32 parameter, __u16 cpu_addr,
-		    sigp_order_code order_code)
+static inline int raw_sigp_ps(u32 *status, u32 parm, u16 cpu, int order)
 {
-	register unsigned int reg1 asm ("1") = parameter;
-	sigp_ccode ccode;
+	register unsigned int reg1 asm ("1") = parm;
+	int ccode;
 
 	asm volatile(
 		"	sigp	%1,%2,0(%3)\n"
 		"	ipm	%0\n"
 		"	srl	%0,28\n"
 		: "=d" (ccode), "+d" (reg1)
-		: "d" (cpu_logical_map(cpu_addr)), "a" (order_code)
+		: "d" (cpu), "a" (order)
 		: "cc" , "memory");
-	*statusptr = reg1;
+	*status = reg1;
 	return ccode;
 }
 
-#endif /* __SIGP__ */
+static inline int sigp(int cpu, int order)
+{
+	return raw_sigp(cpu_logical_map(cpu), order);
+}
+
+static inline int sigp_p(u32 parameter, int cpu, int order)
+{
+	return raw_sigp_p(parameter, cpu_logical_map(cpu), order);
+}
+
+static inline int sigp_ps(u32 *status, u32 parm, int cpu, int order)
+{
+	return raw_sigp_ps(status, parm, cpu_logical_map(cpu), order);
+}
+
+#endif /* __ASM_SIGP_H */
diff --git a/arch/s390/include/asm/smp.h b/arch/s390/include/asm/smp.h
index 2ab1141eeb5..edc03cb9cd7 100644
--- a/arch/s390/include/asm/smp.h
+++ b/arch/s390/include/asm/smp.h
@@ -29,7 +29,43 @@ extern int smp_cpu_polarization[];
 extern void arch_send_call_function_single_ipi(int cpu);
 extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
 
-extern union save_area *zfcpdump_save_areas[NR_CPUS + 1];
+extern struct save_area *zfcpdump_save_areas[NR_CPUS + 1];
+
+extern void smp_switch_to_ipl_cpu(void (*func)(void *), void *);
+extern void smp_switch_to_cpu(void (*)(void *), void *, unsigned long sp,
+			      int from, int to);
+extern void smp_restart_cpu(void);
+
+/*
+ * returns 1 if (virtual) cpu is scheduled
+ * returns 0 otherwise
+ */
+static inline int smp_vcpu_scheduled(int cpu)
+{
+	u32 status;
+
+	switch (sigp_ps(&status, 0, cpu, sigp_sense_running)) {
+	case sigp_status_stored:
+		/* Check for running status */
+		if (status & 0x400)
+			return 0;
+		break;
+	case sigp_not_operational:
+		return 0;
+	default:
+		break;
+	}
+	return 1;
+}
+
+#else /* CONFIG_SMP */
+
+static inline void smp_switch_to_ipl_cpu(void (*func)(void *), void *data)
+{
+	func(data);
+}
+
+#define smp_vcpu_scheduled	(1)
 
 #endif /* CONFIG_SMP */
 
diff --git a/arch/s390/include/asm/spinlock.h b/arch/s390/include/asm/spinlock.h
index a587907d77f..56612fc8186 100644
--- a/arch/s390/include/asm/spinlock.h
+++ b/arch/s390/include/asm/spinlock.h
@@ -13,8 +13,6 @@
 
 #include <linux/smp.h>
 
-#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)
-
 static inline int
 _raw_compare_and_swap(volatile unsigned int *lock,
 		      unsigned int old, unsigned int new)
@@ -27,22 +25,6 @@ _raw_compare_and_swap(volatile unsigned int *lock,
 	return old;
 }
 
-#else /* __GNUC__ */
-
-static inline int
-_raw_compare_and_swap(volatile unsigned int *lock,
-		      unsigned int old, unsigned int new)
-{
-	asm volatile(
-		"	cs	%0,%3,0(%4)"
-		: "=d" (old), "=m" (*lock)
-		: "0" (old), "d" (new), "a" (lock), "m" (*lock)
-		: "cc", "memory" );
-	return old;
-}
-
-#endif /* __GNUC__ */
-
 /*
  * Simple spin lock operations.  There are two variants, one clears IRQ's
  * on the local processor, one does not.
diff --git a/arch/s390/include/asm/swab.h b/arch/s390/include/asm/swab.h
index eb18dc1f327..6bdee21c077 100644
--- a/arch/s390/include/asm/swab.h
+++ b/arch/s390/include/asm/swab.h
@@ -47,11 +47,11 @@ static inline __u32 __arch_swab32p(const __u32 *x)
 	
 	asm volatile(
 #ifndef __s390x__
-		"	icm	%0,8,3(%1)\n"
-		"	icm	%0,4,2(%1)\n"
-		"	icm	%0,2,1(%1)\n"
-		"	ic	%0,0(%1)"
-		: "=&d" (result) : "a" (x), "m" (*x) : "cc");
+		"	icm	%0,8,%O1+3(%R1)\n"
+		"	icm	%0,4,%O1+2(%R1)\n"
+		"	icm	%0,2,%O1+1(%R1)\n"
+		"	ic	%0,%1"
+		: "=&d" (result) : "Q" (*x) : "cc");
 #else /* __s390x__ */
 		"	lrv	%0,%1"
 		: "=d" (result) : "m" (*x));
@@ -77,9 +77,9 @@ static inline __u16 __arch_swab16p(const __u16 *x)
 	
 	asm volatile(
 #ifndef __s390x__
-		"	icm	%0,2,1(%1)\n"
-		"	ic	%0,0(%1)\n"
-		: "=&d" (result) : "a" (x), "m" (*x) : "cc");
+		"	icm	%0,2,%O+1(%R1)\n"
+		"	ic	%0,%1\n"
+		: "=&d" (result) : "Q" (*x) : "cc");
 #else /* __s390x__ */
 		"	lrvh	%0,%1"
 		: "=d" (result) : "m" (*x));
diff --git a/arch/s390/include/asm/sysinfo.h b/arch/s390/include/asm/sysinfo.h
index 9d70057d828..22bdb2a0ee5 100644
--- a/arch/s390/include/asm/sysinfo.h
+++ b/arch/s390/include/asm/sysinfo.h
@@ -87,7 +87,8 @@ struct sysinfo_2_2_2 {
 
 struct sysinfo_3_2_2 {
 	char reserved_0[31];
-	unsigned char count;
+	unsigned char :4;
+	unsigned char count:4;
 	struct {
 		char reserved_0[4];
 		unsigned short cpus_total;
diff --git a/arch/s390/include/asm/system.h b/arch/s390/include/asm/system.h
index 379661d2f81..67ee6c3c6bb 100644
--- a/arch/s390/include/asm/system.h
+++ b/arch/s390/include/asm/system.h
@@ -24,65 +24,65 @@ extern struct task_struct *__switch_to(void *, void *);
 static inline void save_fp_regs(s390_fp_regs *fpregs)
 {
 	asm volatile(
-		"	std	0,8(%1)\n"
-		"	std	2,24(%1)\n"
-		"	std	4,40(%1)\n"
-		"	std	6,56(%1)"
-		: "=m" (*fpregs) : "a" (fpregs), "m" (*fpregs) : "memory");
+		"	std	0,%O0+8(%R0)\n"
+		"	std	2,%O0+24(%R0)\n"
+		"	std	4,%O0+40(%R0)\n"
+		"	std	6,%O0+56(%R0)"
+		: "=Q" (*fpregs) : "Q" (*fpregs));
 	if (!MACHINE_HAS_IEEE)
 		return;
 	asm volatile(
-		"	stfpc	0(%1)\n"
-		"	std	1,16(%1)\n"
-		"	std	3,32(%1)\n"
-		"	std	5,48(%1)\n"
-		"	std	7,64(%1)\n"
-		"	std	8,72(%1)\n"
-		"	std	9,80(%1)\n"
-		"	std	10,88(%1)\n"
-		"	std	11,96(%1)\n"
-		"	std	12,104(%1)\n"
-		"	std	13,112(%1)\n"
-		"	std	14,120(%1)\n"
-		"	std	15,128(%1)\n"
-		: "=m" (*fpregs) : "a" (fpregs), "m" (*fpregs) : "memory");
+		"	stfpc	%0\n"
+		"	std	1,%O0+16(%R0)\n"
+		"	std	3,%O0+32(%R0)\n"
+		"	std	5,%O0+48(%R0)\n"
+		"	std	7,%O0+64(%R0)\n"
+		"	std	8,%O0+72(%R0)\n"
+		"	std	9,%O0+80(%R0)\n"
+		"	std	10,%O0+88(%R0)\n"
+		"	std	11,%O0+96(%R0)\n"
+		"	std	12,%O0+104(%R0)\n"
+		"	std	13,%O0+112(%R0)\n"
+		"	std	14,%O0+120(%R0)\n"
+		"	std	15,%O0+128(%R0)\n"
+		: "=Q" (*fpregs) : "Q" (*fpregs));
 }
 
 static inline void restore_fp_regs(s390_fp_regs *fpregs)
 {
 	asm volatile(
-		"	ld	0,8(%0)\n"
-		"	ld	2,24(%0)\n"
-		"	ld	4,40(%0)\n"
-		"	ld	6,56(%0)"
-		: : "a" (fpregs), "m" (*fpregs));
+		"	ld	0,%O0+8(%R0)\n"
+		"	ld	2,%O0+24(%R0)\n"
+		"	ld	4,%O0+40(%R0)\n"
+		"	ld	6,%O0+56(%R0)"
+		: : "Q" (*fpregs));
 	if (!MACHINE_HAS_IEEE)
 		return;
 	asm volatile(
-		"	lfpc	0(%0)\n"
-		"	ld	1,16(%0)\n"
-		"	ld	3,32(%0)\n"
-		"	ld	5,48(%0)\n"
-		"	ld	7,64(%0)\n"
-		"	ld	8,72(%0)\n"
-		"	ld	9,80(%0)\n"
-		"	ld	10,88(%0)\n"
-		"	ld	11,96(%0)\n"
-		"	ld	12,104(%0)\n"
-		"	ld	13,112(%0)\n"
-		"	ld	14,120(%0)\n"
-		"	ld	15,128(%0)\n"
-		: : "a" (fpregs), "m" (*fpregs));
+		"	lfpc	%0\n"
+		"	ld	1,%O0+16(%R0)\n"
+		"	ld	3,%O0+32(%R0)\n"
+		"	ld	5,%O0+48(%R0)\n"
+		"	ld	7,%O0+64(%R0)\n"
+		"	ld	8,%O0+72(%R0)\n"
+		"	ld	9,%O0+80(%R0)\n"
+		"	ld	10,%O0+88(%R0)\n"
+		"	ld	11,%O0+96(%R0)\n"
+		"	ld	12,%O0+104(%R0)\n"
+		"	ld	13,%O0+112(%R0)\n"
+		"	ld	14,%O0+120(%R0)\n"
+		"	ld	15,%O0+128(%R0)\n"
+		: : "Q" (*fpregs));
 }
 
 static inline void save_access_regs(unsigned int *acrs)
 {
-	asm volatile("stam 0,15,0(%0)" : : "a" (acrs) : "memory");
+	asm volatile("stam 0,15,%0" : "=Q" (*acrs));
 }
 
 static inline void restore_access_regs(unsigned int *acrs)
 {
-	asm volatile("lam 0,15,0(%0)" : : "a" (acrs));
+	asm volatile("lam 0,15,%0" : : "Q" (*acrs));
 }
 
 #define switch_to(prev,next,last) do {					     \
@@ -139,48 +139,48 @@ static inline unsigned long __xchg(unsigned long x, void * ptr, int size)
 		shift = (3 ^ (addr & 3)) << 3;
 		addr ^= addr & 3;
 		asm volatile(
-			"	l	%0,0(%4)\n"
+			"	l	%0,%4\n"
 			"0:	lr	0,%0\n"
 			"	nr	0,%3\n"
 			"	or	0,%2\n"
-			"	cs	%0,0,0(%4)\n"
+			"	cs	%0,0,%4\n"
 			"	jl	0b\n"
-			: "=&d" (old), "=m" (*(int *) addr)
-			: "d" (x << shift), "d" (~(255 << shift)), "a" (addr),
-			  "m" (*(int *) addr) : "memory", "cc", "0");
+			: "=&d" (old), "=Q" (*(int *) addr)
+			: "d" (x << shift), "d" (~(255 << shift)),
+			  "Q" (*(int *) addr) : "memory", "cc", "0");
 		return old >> shift;
 	case 2:
 		addr = (unsigned long) ptr;
 		shift = (2 ^ (addr & 2)) << 3;
 		addr ^= addr & 2;
 		asm volatile(
-			"	l	%0,0(%4)\n"
+			"	l	%0,%4\n"
 			"0:	lr	0,%0\n"
 			"	nr	0,%3\n"
 			"	or	0,%2\n"
-			"	cs	%0,0,0(%4)\n"
+			"	cs	%0,0,%4\n"
 			"	jl	0b\n"
-			: "=&d" (old), "=m" (*(int *) addr)
-			: "d" (x << shift), "d" (~(65535 << shift)), "a" (addr),
-			  "m" (*(int *) addr) : "memory", "cc", "0");
+			: "=&d" (old), "=Q" (*(int *) addr)
+			: "d" (x << shift), "d" (~(65535 << shift)),
+			  "Q" (*(int *) addr) : "memory", "cc", "0");
 		return old >> shift;
 	case 4:
 		asm volatile(
-			"	l	%0,0(%3)\n"
-			"0:	cs	%0,%2,0(%3)\n"
+			"	l	%0,%3\n"
+			"0:	cs	%0,%2,%3\n"
 			"	jl	0b\n"
-			: "=&d" (old), "=m" (*(int *) ptr)
-			: "d" (x), "a" (ptr), "m" (*(int *) ptr)
+			: "=&d" (old), "=Q" (*(int *) ptr)
+			: "d" (x), "Q" (*(int *) ptr)
 			: "memory", "cc");
 		return old;
 #ifdef __s390x__
 	case 8:
 		asm volatile(
-			"	lg	%0,0(%3)\n"
-			"0:	csg	%0,%2,0(%3)\n"
+			"	lg	%0,%3\n"
+			"0:	csg	%0,%2,%3\n"
 			"	jl	0b\n"
 			: "=&d" (old), "=m" (*(long *) ptr)
-			: "d" (x), "a" (ptr), "m" (*(long *) ptr)
+			: "d" (x), "Q" (*(long *) ptr)
 			: "memory", "cc");
 		return old;
 #endif /* __s390x__ */
@@ -215,20 +215,20 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
 		shift = (3 ^ (addr & 3)) << 3;
 		addr ^= addr & 3;
 		asm volatile(
-			"	l	%0,0(%4)\n"
+			"	l	%0,%2\n"
 			"0:	nr	%0,%5\n"
 			"	lr	%1,%0\n"
 			"	or	%0,%2\n"
 			"	or	%1,%3\n"
-			"	cs	%0,%1,0(%4)\n"
+			"	cs	%0,%1,%2\n"
 			"	jnl	1f\n"
 			"	xr	%1,%0\n"
 			"	nr	%1,%5\n"
 			"	jnz	0b\n"
 			"1:"
-			: "=&d" (prev), "=&d" (tmp)
-			: "d" (old << shift), "d" (new << shift), "a" (ptr),
-			  "d" (~(255 << shift))
+			: "=&d" (prev), "=&d" (tmp), "=Q" (*(int *) ptr)
+			: "d" (old << shift), "d" (new << shift),
+			  "d" (~(255 << shift)), "Q" (*(int *) ptr)
 			: "memory", "cc");
 		return prev >> shift;
 	case 2:
@@ -236,33 +236,35 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
 		shift = (2 ^ (addr & 2)) << 3;
 		addr ^= addr & 2;
 		asm volatile(
-			"	l	%0,0(%4)\n"
+			"	l	%0,%2\n"
 			"0:	nr	%0,%5\n"
 			"	lr	%1,%0\n"
 			"	or	%0,%2\n"
 			"	or	%1,%3\n"
-			"	cs	%0,%1,0(%4)\n"
+			"	cs	%0,%1,%2\n"
 			"	jnl	1f\n"
 			"	xr	%1,%0\n"
 			"	nr	%1,%5\n"
 			"	jnz	0b\n"
 			"1:"
-			: "=&d" (prev), "=&d" (tmp)
-			: "d" (old << shift), "d" (new << shift), "a" (ptr),
-			  "d" (~(65535 << shift))
+			: "=&d" (prev), "=&d" (tmp), "=Q" (*(int *) ptr)
+			: "d" (old << shift), "d" (new << shift),
+			  "d" (~(65535 << shift)), "Q" (*(int *) ptr)
 			: "memory", "cc");
 		return prev >> shift;
 	case 4:
 		asm volatile(
-			"	cs	%0,%2,0(%3)\n"
-			: "=&d" (prev) : "0" (old), "d" (new), "a" (ptr)
+			"	cs	%0,%3,%1\n"
+			: "=&d" (prev), "=Q" (*(int *) ptr)
+			: "0" (old), "d" (new), "Q" (*(int *) ptr)
 			: "memory", "cc");
 		return prev;
 #ifdef __s390x__
 	case 8:
 		asm volatile(
-			"	csg	%0,%2,0(%3)\n"
-			: "=&d" (prev) : "0" (old), "d" (new), "a" (ptr)
+			"	csg	%0,%3,%1\n"
+			: "=&d" (prev), "=Q" (*(long *) ptr)
+			: "0" (old), "d" (new), "Q" (*(long *) ptr)
 			: "memory", "cc");
 		return prev;
 #endif /* __s390x__ */
@@ -302,17 +304,17 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
 #define __ctl_load(array, low, high) ({				\
 	typedef struct { char _[sizeof(array)]; } addrtype;	\
 	asm volatile(						\
-		"	lctlg	%1,%2,0(%0)\n"			\
-		: : "a" (&array), "i" (low), "i" (high),	\
-		    "m" (*(addrtype *)(&array)));		\
+		"	lctlg	%1,%2,%0\n"			\
+		: : "Q" (*(addrtype *)(&array)),		\
+		    "i" (low), "i" (high));			\
 	})
 
 #define __ctl_store(array, low, high) ({			\
 	typedef struct { char _[sizeof(array)]; } addrtype;	\
 	asm volatile(						\
-		"	stctg	%2,%3,0(%1)\n"			\
-		: "=m" (*(addrtype *)(&array))			\
-		: "a" (&array), "i" (low), "i" (high));		\
+		"	stctg	%1,%2,%0\n"			\
+		: "=Q" (*(addrtype *)(&array))			\
+		: "i" (low), "i" (high));			\
 	})
 
 #else /* __s390x__ */
@@ -320,17 +322,17 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
 #define __ctl_load(array, low, high) ({				\
 	typedef struct { char _[sizeof(array)]; } addrtype;	\
 	asm volatile(						\
-		"	lctl	%1,%2,0(%0)\n"			\
-		: : "a" (&array), "i" (low), "i" (high),	\
-		    "m" (*(addrtype *)(&array)));		\
+		"	lctl	%1,%2,%0\n"			\
+		: : "Q" (*(addrtype *)(&array)),		\
+		    "i" (low), "i" (high));			\
 })
 
 #define __ctl_store(array, low, high) ({			\
 	typedef struct { char _[sizeof(array)]; } addrtype;	\
 	asm volatile(						\
-		"	stctl	%2,%3,0(%1)\n"			\
-		: "=m" (*(addrtype *)(&array))			\
-		: "a" (&array), "i" (low), "i" (high));		\
+		"	stctl	%1,%2,%0\n"			\
+		: "=Q" (*(addrtype *)(&array))			\
+		: "i" (low), "i" (high));			\
 	})
 
 #endif /* __s390x__ */
diff --git a/arch/s390/include/asm/thread_info.h b/arch/s390/include/asm/thread_info.h
index 66069e73684..34f0873d652 100644
--- a/arch/s390/include/asm/thread_info.h
+++ b/arch/s390/include/asm/thread_info.h
@@ -73,7 +73,7 @@ struct thread_info {
 /* how to get the thread information struct from C */
 static inline struct thread_info *current_thread_info(void)
 {
-	return (struct thread_info *)((*(unsigned long *) __LC_KERNEL_STACK)-THREAD_SIZE);
+	return (struct thread_info *)(S390_lowcore.kernel_stack - THREAD_SIZE);
 }
 
 #define THREAD_SIZE_ORDER THREAD_ORDER
diff --git a/arch/s390/include/asm/timex.h b/arch/s390/include/asm/timex.h
index 68d9fea34b4..f174bdaa6b5 100644
--- a/arch/s390/include/asm/timex.h
+++ b/arch/s390/include/asm/timex.h
@@ -20,10 +20,10 @@ static inline int set_clock(__u64 time)
 	int cc;
 
 	asm volatile(
-		"   sck   0(%2)\n"
+		"   sck   %1\n"
 		"   ipm   %0\n"
 		"   srl   %0,28\n"
-		: "=d" (cc) : "m" (time), "a" (&time) : "cc");
+		: "=d" (cc) : "Q" (time) : "cc");
 	return cc;
 }
 
@@ -32,21 +32,21 @@ static inline int store_clock(__u64 *time)
 	int cc;
 
 	asm volatile(
-		"   stck  0(%2)\n"
+		"   stck  %1\n"
 		"   ipm   %0\n"
 		"   srl   %0,28\n"
-		: "=d" (cc), "=m" (*time) : "a" (time) : "cc");
+		: "=d" (cc), "=Q" (*time) : : "cc");
 	return cc;
 }
 
 static inline void set_clock_comparator(__u64 time)
 {
-	asm volatile("sckc 0(%1)" : : "m" (time), "a" (&time));
+	asm volatile("sckc %0" : : "Q" (time));
 }
 
 static inline void store_clock_comparator(__u64 *time)
 {
-	asm volatile("stckc 0(%1)" : "=m" (*time) : "a" (time));
+	asm volatile("stckc %0" : "=Q" (*time));
 }
 
 #define CLOCK_TICK_RATE	1193180 /* Underlying HZ */
@@ -57,11 +57,7 @@ static inline unsigned long long get_clock (void)
 {
 	unsigned long long clk;
 
-#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)
 	asm volatile("stck %0" : "=Q" (clk) : : "cc");
-#else /* __GNUC__ */
-	asm volatile("stck 0(%1)" : "=m" (clk) : "a" (&clk) : "cc");
-#endif /* __GNUC__ */
 	return clk;
 }
 
@@ -69,13 +65,7 @@ static inline unsigned long long get_clock_xt(void)
 {
 	unsigned char clk[16];
 
-#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ > 2)
 	asm volatile("stcke %0" : "=Q" (clk) : : "cc");
-#else /* __GNUC__ */
-	asm volatile("stcke 0(%1)" : "=m" (clk)
-				   : "a" (clk) : "cc");
-#endif /* __GNUC__ */
-
 	return *((unsigned long long *)&clk[1]);
 }
 
diff --git a/arch/s390/include/asm/uaccess.h b/arch/s390/include/asm/uaccess.h
index cbf0a8745bf..d6b1ed0ec52 100644
--- a/arch/s390/include/asm/uaccess.h
+++ b/arch/s390/include/asm/uaccess.h
@@ -265,6 +265,12 @@ __copy_from_user(void *to, const void __user *from, unsigned long n)
 		return uaccess.copy_from_user(n, from, to);
 }
 
+extern void copy_from_user_overflow(void)
+#ifdef CONFIG_DEBUG_STRICT_USER_COPY_CHECKS
+__compiletime_warning("copy_from_user() buffer size is not provably correct")
+#endif
+;
+
 /**
  * copy_from_user: - Copy a block of data from user space.
  * @to:   Destination address, in kernel space.
@@ -284,7 +290,13 @@ __copy_from_user(void *to, const void __user *from, unsigned long n)
 static inline unsigned long __must_check
 copy_from_user(void *to, const void __user *from, unsigned long n)
 {
+	unsigned int sz = __compiletime_object_size(to);
+
 	might_fault();
+	if (unlikely(sz != -1 && sz < n)) {
+		copy_from_user_overflow();
+		return n;
+	}
 	if (access_ok(VERIFY_READ, from, n))
 		n = __copy_from_user(to, from, n);
 	else
diff --git a/arch/s390/include/asm/vdso.h b/arch/s390/include/asm/vdso.h
index 7bdd7c8ebc9..4a76d9480cc 100644
--- a/arch/s390/include/asm/vdso.h
+++ b/arch/s390/include/asm/vdso.h
@@ -7,7 +7,7 @@
 #define VDSO32_LBASE	0
 #define VDSO64_LBASE	0
 
-#define VDSO_VERSION_STRING	LINUX_2.6.26
+#define VDSO_VERSION_STRING	LINUX_2.6.29
 
 #ifndef __ASSEMBLY__