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authorLinus Torvalds <torvalds@linux-foundation.org>2016-12-13 16:33:33 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-12-13 16:33:33 -0800
commit2ec4584eb89b8933d1ee307f2fc9c42e745847d7 (patch)
tree9e30e5b308f9d782b466e4298b7a0004b648b09d /arch/s390/include
parentaa3ecf388adc90bde90776bba71a7f2d278fc4e3 (diff)
parentc19805f870c1fa87c69819eb1e18d9c5fc398f58 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Martin Schwidefsky: "The main bulk of the s390 patches for the 4.10 merge window: - Add support for the contiguous memory allocator. - The recovery for I/O errors in the dasd device driver is improved, the driver will now remove channel paths that are not working properly. - Additional fields are added to /proc/sysinfo, the extended partition name and the partition UUID. - New naming for PCI devices with system defined UIDs. - The last few remaining alloc_bootmem calls are converted to memblock. - The thread_info structure is stripped down and moved to the task_struct. The only field left in thread_info is the flags field. - Rework of the arch topology code to fix a fake numa issue. - Refactoring of the atomic primitives and add a new preempt_count implementation. - Clocksource steering for the STP sync check offsets. - The s390 specific headers are changed to make them usable with CLANG. - Bug fixes and cleanup" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (70 commits) s390/cpumf: Use configuration level indication for sampling data s390: provide memmove implementation s390: cleanup arch/s390/kernel Makefile s390: fix initrd corruptions with gcov/kcov instrumented kernels s390: exclude early C code from gcov profiling s390/dasd: channel path aware error recovery s390/dasd: extend dasd path handling s390: remove unused labels from entry.S s390/vmlogrdr: fix IUCV buffer allocation s390/crypto: unlock on error in prng_tdes_read() s390/sysinfo: show partition extended name and UUID if available s390/numa: pin all possible cpus to nodes early s390/numa: establish cpu to node mapping early s390/topology: use cpu_topology array instead of per cpu variable s390/smp: initialize cpu_present_mask in setup_arch s390/topology: always use s390 specific sched_domain_topology_level s390/smp: use smp_get_base_cpu() helper function s390/numa: always use logical cpu and core ids s390: Remove VLAIS in ptff() and clear_table() s390: fix machine check panic stack switch ...
Diffstat (limited to 'arch/s390/include')
-rw-r--r--arch/s390/include/asm/Kbuild4
-rw-r--r--arch/s390/include/asm/asm-offsets.h1
-rw-r--r--arch/s390/include/asm/atomic.h207
-rw-r--r--arch/s390/include/asm/atomic_ops.h130
-rw-r--r--arch/s390/include/asm/bitops.h62
-rw-r--r--arch/s390/include/asm/cpu_mf.h3
-rw-r--r--arch/s390/include/asm/elf.h6
-rw-r--r--arch/s390/include/asm/facilities_src.h82
-rw-r--r--arch/s390/include/asm/ipl.h2
-rw-r--r--arch/s390/include/asm/lowcore.h5
-rw-r--r--arch/s390/include/asm/pci_clp.h5
-rw-r--r--arch/s390/include/asm/pgalloc.h22
-rw-r--r--arch/s390/include/asm/preempt.h137
-rw-r--r--arch/s390/include/asm/processor.h6
-rw-r--r--arch/s390/include/asm/sclp.h10
-rw-r--r--arch/s390/include/asm/scsw.h6
-rw-r--r--arch/s390/include/asm/smp.h8
-rw-r--r--arch/s390/include/asm/string.h3
-rw-r--r--arch/s390/include/asm/sysinfo.h7
-rw-r--r--arch/s390/include/asm/thread_info.h24
-rw-r--r--arch/s390/include/asm/timex.h41
-rw-r--r--arch/s390/include/asm/topology.h28
-rw-r--r--arch/s390/include/asm/uaccess.h6
-rw-r--r--arch/s390/include/asm/vdso.h2
-rw-r--r--arch/s390/include/uapi/asm/Kbuild5
25 files changed, 423 insertions, 389 deletions
diff --git a/arch/s390/include/asm/Kbuild b/arch/s390/include/asm/Kbuild
index 20f196b82a6e..8aea32fe8bd2 100644
--- a/arch/s390/include/asm/Kbuild
+++ b/arch/s390/include/asm/Kbuild
@@ -1,6 +1,6 @@
-
-
+generic-y += asm-offsets.h
generic-y += clkdev.h
+generic-y += dma-contiguous.h
generic-y += export.h
generic-y += irq_work.h
generic-y += mcs_spinlock.h
diff --git a/arch/s390/include/asm/asm-offsets.h b/arch/s390/include/asm/asm-offsets.h
deleted file mode 100644
index d370ee36a182..000000000000
--- a/arch/s390/include/asm/asm-offsets.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <generated/asm-offsets.h>
diff --git a/arch/s390/include/asm/atomic.h b/arch/s390/include/asm/atomic.h
index d28cc2f5b7b2..f7f69dfd2db2 100644
--- a/arch/s390/include/asm/atomic.h
+++ b/arch/s390/include/asm/atomic.h
@@ -1,13 +1,8 @@
/*
- * Copyright IBM Corp. 1999, 2009
+ * Copyright IBM Corp. 1999, 2016
* Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>,
* Denis Joseph Barrow,
- * Arnd Bergmann <arndb@de.ibm.com>,
- *
- * Atomic operations that C can't guarantee us.
- * Useful for resource counting etc.
- * s390 uses 'Compare And Swap' for atomicity in SMP environment.
- *
+ * Arnd Bergmann,
*/
#ifndef __ARCH_S390_ATOMIC__
@@ -15,62 +10,12 @@
#include <linux/compiler.h>
#include <linux/types.h>
+#include <asm/atomic_ops.h>
#include <asm/barrier.h>
#include <asm/cmpxchg.h>
#define ATOMIC_INIT(i) { (i) }
-#define __ATOMIC_NO_BARRIER "\n"
-
-#ifdef CONFIG_HAVE_MARCH_Z196_FEATURES
-
-#define __ATOMIC_OR "lao"
-#define __ATOMIC_AND "lan"
-#define __ATOMIC_ADD "laa"
-#define __ATOMIC_XOR "lax"
-#define __ATOMIC_BARRIER "bcr 14,0\n"
-
-#define __ATOMIC_LOOP(ptr, op_val, op_string, __barrier) \
-({ \
- int old_val; \
- \
- typecheck(atomic_t *, ptr); \
- asm volatile( \
- op_string " %0,%2,%1\n" \
- __barrier \
- : "=d" (old_val), "+Q" ((ptr)->counter) \
- : "d" (op_val) \
- : "cc", "memory"); \
- old_val; \
-})
-
-#else /* CONFIG_HAVE_MARCH_Z196_FEATURES */
-
-#define __ATOMIC_OR "or"
-#define __ATOMIC_AND "nr"
-#define __ATOMIC_ADD "ar"
-#define __ATOMIC_XOR "xr"
-#define __ATOMIC_BARRIER "\n"
-
-#define __ATOMIC_LOOP(ptr, op_val, op_string, __barrier) \
-({ \
- int old_val, new_val; \
- \
- typecheck(atomic_t *, ptr); \
- asm volatile( \
- " l %0,%2\n" \
- "0: lr %1,%0\n" \
- op_string " %1,%3\n" \
- " cs %0,%1,%2\n" \
- " jl 0b" \
- : "=&d" (old_val), "=&d" (new_val), "+Q" ((ptr)->counter)\
- : "d" (op_val) \
- : "cc", "memory"); \
- old_val; \
-})
-
-#endif /* CONFIG_HAVE_MARCH_Z196_FEATURES */
-
static inline int atomic_read(const atomic_t *v)
{
int c;
@@ -90,27 +35,23 @@ static inline void atomic_set(atomic_t *v, int i)
static inline int atomic_add_return(int i, atomic_t *v)
{
- return __ATOMIC_LOOP(v, i, __ATOMIC_ADD, __ATOMIC_BARRIER) + i;
+ return __atomic_add_barrier(i, &v->counter) + i;
}
static inline int atomic_fetch_add(int i, atomic_t *v)
{
- return __ATOMIC_LOOP(v, i, __ATOMIC_ADD, __ATOMIC_BARRIER);
+ return __atomic_add_barrier(i, &v->counter);
}
static inline void atomic_add(int i, atomic_t *v)
{
#ifdef CONFIG_HAVE_MARCH_Z196_FEATURES
if (__builtin_constant_p(i) && (i > -129) && (i < 128)) {
- asm volatile(
- "asi %0,%1\n"
- : "+Q" (v->counter)
- : "i" (i)
- : "cc", "memory");
+ __atomic_add_const(i, &v->counter);
return;
}
#endif
- __ATOMIC_LOOP(v, i, __ATOMIC_ADD, __ATOMIC_NO_BARRIER);
+ __atomic_add(i, &v->counter);
}
#define atomic_add_negative(_i, _v) (atomic_add_return(_i, _v) < 0)
@@ -125,19 +66,19 @@ static inline void atomic_add(int i, atomic_t *v)
#define atomic_dec_return(_v) atomic_sub_return(1, _v)
#define atomic_dec_and_test(_v) (atomic_sub_return(1, _v) == 0)
-#define ATOMIC_OPS(op, OP) \
+#define ATOMIC_OPS(op) \
static inline void atomic_##op(int i, atomic_t *v) \
{ \
- __ATOMIC_LOOP(v, i, __ATOMIC_##OP, __ATOMIC_NO_BARRIER); \
+ __atomic_##op(i, &v->counter); \
} \
static inline int atomic_fetch_##op(int i, atomic_t *v) \
{ \
- return __ATOMIC_LOOP(v, i, __ATOMIC_##OP, __ATOMIC_BARRIER); \
+ return __atomic_##op##_barrier(i, &v->counter); \
}
-ATOMIC_OPS(and, AND)
-ATOMIC_OPS(or, OR)
-ATOMIC_OPS(xor, XOR)
+ATOMIC_OPS(and)
+ATOMIC_OPS(or)
+ATOMIC_OPS(xor)
#undef ATOMIC_OPS
@@ -145,12 +86,7 @@ ATOMIC_OPS(xor, XOR)
static inline int atomic_cmpxchg(atomic_t *v, int old, int new)
{
- asm volatile(
- " cs %0,%2,%1"
- : "+d" (old), "+Q" (v->counter)
- : "d" (new)
- : "cc", "memory");
- return old;
+ return __atomic_cmpxchg(&v->counter, old, new);
}
static inline int __atomic_add_unless(atomic_t *v, int a, int u)
@@ -168,65 +104,11 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u)
return c;
}
-
-#undef __ATOMIC_LOOP
-
#define ATOMIC64_INIT(i) { (i) }
-#define __ATOMIC64_NO_BARRIER "\n"
-
-#ifdef CONFIG_HAVE_MARCH_Z196_FEATURES
-
-#define __ATOMIC64_OR "laog"
-#define __ATOMIC64_AND "lang"
-#define __ATOMIC64_ADD "laag"
-#define __ATOMIC64_XOR "laxg"
-#define __ATOMIC64_BARRIER "bcr 14,0\n"
-
-#define __ATOMIC64_LOOP(ptr, op_val, op_string, __barrier) \
-({ \
- long long old_val; \
- \
- typecheck(atomic64_t *, ptr); \
- asm volatile( \
- op_string " %0,%2,%1\n" \
- __barrier \
- : "=d" (old_val), "+Q" ((ptr)->counter) \
- : "d" (op_val) \
- : "cc", "memory"); \
- old_val; \
-})
-
-#else /* CONFIG_HAVE_MARCH_Z196_FEATURES */
-
-#define __ATOMIC64_OR "ogr"
-#define __ATOMIC64_AND "ngr"
-#define __ATOMIC64_ADD "agr"
-#define __ATOMIC64_XOR "xgr"
-#define __ATOMIC64_BARRIER "\n"
-
-#define __ATOMIC64_LOOP(ptr, op_val, op_string, __barrier) \
-({ \
- long long old_val, new_val; \
- \
- typecheck(atomic64_t *, ptr); \
- asm volatile( \
- " lg %0,%2\n" \
- "0: lgr %1,%0\n" \
- op_string " %1,%3\n" \
- " csg %0,%1,%2\n" \
- " jl 0b" \
- : "=&d" (old_val), "=&d" (new_val), "+Q" ((ptr)->counter)\
- : "d" (op_val) \
- : "cc", "memory"); \
- old_val; \
-})
-
-#endif /* CONFIG_HAVE_MARCH_Z196_FEATURES */
-
-static inline long long atomic64_read(const atomic64_t *v)
+static inline long atomic64_read(const atomic64_t *v)
{
- long long c;
+ long c;
asm volatile(
" lg %0,%1\n"
@@ -234,71 +116,60 @@ static inline long long atomic64_read(const atomic64_t *v)
return c;
}
-static inline void atomic64_set(atomic64_t *v, long long i)
+static inline void atomic64_set(atomic64_t *v, long i)
{
asm volatile(
" stg %1,%0\n"
: "=Q" (v->counter) : "d" (i));
}
-static inline long long atomic64_add_return(long long i, atomic64_t *v)
+static inline long atomic64_add_return(long i, atomic64_t *v)
{
- return __ATOMIC64_LOOP(v, i, __ATOMIC64_ADD, __ATOMIC64_BARRIER) + i;
+ return __atomic64_add_barrier(i, &v->counter) + i;
}
-static inline long long atomic64_fetch_add(long long i, atomic64_t *v)
+static inline long atomic64_fetch_add(long i, atomic64_t *v)
{
- return __ATOMIC64_LOOP(v, i, __ATOMIC64_ADD, __ATOMIC64_BARRIER);
+ return __atomic64_add_barrier(i, &v->counter);
}
-static inline void atomic64_add(long long i, atomic64_t *v)
+static inline void atomic64_add(long i, atomic64_t *v)
{
#ifdef CONFIG_HAVE_MARCH_Z196_FEATURES
if (__builtin_constant_p(i) && (i > -129) && (i < 128)) {
- asm volatile(
- "agsi %0,%1\n"
- : "+Q" (v->counter)
- : "i" (i)
- : "cc", "memory");
+ __atomic64_add_const(i, &v->counter);
return;
}
#endif
- __ATOMIC64_LOOP(v, i, __ATOMIC64_ADD, __ATOMIC64_NO_BARRIER);
+ __atomic64_add(i, &v->counter);
}
#define atomic64_xchg(v, new) (xchg(&((v)->counter), new))
-static inline long long atomic64_cmpxchg(atomic64_t *v,
- long long old, long long new)
+static inline long atomic64_cmpxchg(atomic64_t *v, long old, long new)
{
- asm volatile(
- " csg %0,%2,%1"
- : "+d" (old), "+Q" (v->counter)
- : "d" (new)
- : "cc", "memory");
- return old;
+ return __atomic64_cmpxchg(&v->counter, old, new);
}
-#define ATOMIC64_OPS(op, OP) \
+#define ATOMIC64_OPS(op) \
static inline void atomic64_##op(long i, atomic64_t *v) \
{ \
- __ATOMIC64_LOOP(v, i, __ATOMIC64_##OP, __ATOMIC64_NO_BARRIER); \
+ __atomic64_##op(i, &v->counter); \
} \
static inline long atomic64_fetch_##op(long i, atomic64_t *v) \
{ \
- return __ATOMIC64_LOOP(v, i, __ATOMIC64_##OP, __ATOMIC64_BARRIER); \
+ return __atomic64_##op##_barrier(i, &v->counter); \
}
-ATOMIC64_OPS(and, AND)
-ATOMIC64_OPS(or, OR)
-ATOMIC64_OPS(xor, XOR)
+ATOMIC64_OPS(and)
+ATOMIC64_OPS(or)
+ATOMIC64_OPS(xor)
#undef ATOMIC64_OPS
-#undef __ATOMIC64_LOOP
-static inline int atomic64_add_unless(atomic64_t *v, long long i, long long u)
+static inline int atomic64_add_unless(atomic64_t *v, long i, long u)
{
- long long c, old;
+ long c, old;
c = atomic64_read(v);
for (;;) {
@@ -312,9 +183,9 @@ static inline int atomic64_add_unless(atomic64_t *v, long long i, long long u)
return c != u;
}
-static inline long long atomic64_dec_if_positive(atomic64_t *v)
+static inline long atomic64_dec_if_positive(atomic64_t *v)
{
- long long c, old, dec;
+ long c, old, dec;
c = atomic64_read(v);
for (;;) {
@@ -333,9 +204,9 @@ static inline long long atomic64_dec_if_positive(atomic64_t *v)
#define atomic64_inc(_v) atomic64_add(1, _v)
#define atomic64_inc_return(_v) atomic64_add_return(1, _v)
#define atomic64_inc_and_test(_v) (atomic64_add_return(1, _v) == 0)
-#define atomic64_sub_return(_i, _v) atomic64_add_return(-(long long)(_i), _v)
-#define atomic64_fetch_sub(_i, _v) atomic64_fetch_add(-(long long)(_i), _v)
-#define atomic64_sub(_i, _v) atomic64_add(-(long long)(_i), _v)
+#define atomic64_sub_return(_i, _v) atomic64_add_return(-(long)(_i), _v)
+#define atomic64_fetch_sub(_i, _v) atomic64_fetch_add(-(long)(_i), _v)
+#define atomic64_sub(_i, _v) atomic64_add(-(long)(_i), _v)
#define atomic64_sub_and_test(_i, _v) (atomic64_sub_return(_i, _v) == 0)
#define atomic64_dec(_v) atomic64_sub(1, _v)
#define atomic64_dec_return(_v) atomic64_sub_return(1, _v)
diff --git a/arch/s390/include/asm/atomic_ops.h b/arch/s390/include/asm/atomic_ops.h
new file mode 100644
index 000000000000..ac9e2b939d04
--- /dev/null
+++ b/arch/s390/include/asm/atomic_ops.h
@@ -0,0 +1,130 @@
+/*
+ * Low level function for atomic operations
+ *
+ * Copyright IBM Corp. 1999, 2016
+ */
+
+#ifndef __ARCH_S390_ATOMIC_OPS__
+#define __ARCH_S390_ATOMIC_OPS__
+
+#ifdef CONFIG_HAVE_MARCH_Z196_FEATURES
+
+#define __ATOMIC_OP(op_name, op_type, op_string, op_barrier) \
+static inline op_type op_name(op_type val, op_type *ptr) \
+{ \
+ op_type old; \
+ \
+ asm volatile( \
+ op_string " %[old],%[val],%[ptr]\n" \
+ op_barrier \
+ : [old] "=d" (old), [ptr] "+Q" (*ptr) \
+ : [val] "d" (val) : "cc", "memory"); \
+ return old; \
+} \
+
+#define __ATOMIC_OPS(op_name, op_type, op_string) \
+ __ATOMIC_OP(op_name, op_type, op_string, "\n") \
+ __ATOMIC_OP(op_name##_barrier, op_type, op_string, "bcr 14,0\n")
+
+__ATOMIC_OPS(__atomic_add, int, "laa")
+__ATOMIC_OPS(__atomic_and, int, "lan")
+__ATOMIC_OPS(__atomic_or, int, "lao")
+__ATOMIC_OPS(__atomic_xor, int, "lax")
+
+__ATOMIC_OPS(__atomic64_add, long, "laag")
+__ATOMIC_OPS(__atomic64_and, long, "lang")
+__ATOMIC_OPS(__atomic64_or, long, "laog")
+__ATOMIC_OPS(__atomic64_xor, long, "laxg")
+
+#undef __ATOMIC_OPS
+#undef __ATOMIC_OP
+
+static inline void __atomic_add_const(int val, int *ptr)
+{
+ asm volatile(
+ " asi %[ptr],%[val]\n"
+ : [ptr] "+Q" (*ptr) : [val] "i" (val) : "cc");
+}
+
+static inline void __atomic64_add_const(long val, long *ptr)
+{
+ asm volatile(
+ " agsi %[ptr],%[val]\n"
+ : [ptr] "+Q" (*ptr) : [val] "i" (val) : "cc");
+}
+
+#else /* CONFIG_HAVE_MARCH_Z196_FEATURES */
+
+#define __ATOMIC_OP(op_name, op_string) \
+static inline int op_name(int val, int *ptr) \
+{ \
+ int old, new; \
+ \
+ asm volatile( \
+ "0: lr %[new],%[old]\n" \
+ op_string " %[new],%[val]\n" \
+ " cs %[old],%[new],%[ptr]\n" \
+ " jl 0b" \
+ : [old] "=d" (old), [new] "=&d" (new), [ptr] "+Q" (*ptr)\
+ : [val] "d" (val), "0" (*ptr) : "cc", "memory"); \
+ return old; \
+}
+
+#define __ATOMIC_OPS(op_name, op_string) \
+ __ATOMIC_OP(op_name, op_string) \
+ __ATOMIC_OP(op_name##_barrier, op_string)
+
+__ATOMIC_OPS(__atomic_add, "ar")
+__ATOMIC_OPS(__atomic_and, "nr")
+__ATOMIC_OPS(__atomic_or, "or")
+__ATOMIC_OPS(__atomic_xor, "xr")
+
+#undef __ATOMIC_OPS
+
+#define __ATOMIC64_OP(op_name, op_string) \
+static inline long op_name(long val, long *ptr) \
+{ \
+ long old, new; \
+ \
+ asm volatile( \
+ "0: lgr %[new],%[old]\n" \
+ op_string " %[new],%[val]\n" \
+ " csg %[old],%[new],%[ptr]\n" \
+ " jl 0b" \
+ : [old] "=d" (old), [new] "=&d" (new), [ptr] "+Q" (*ptr)\
+ : [val] "d" (val), "0" (*ptr) : "cc", "memory"); \
+ return old; \
+}
+
+#define __ATOMIC64_OPS(op_name, op_string) \
+ __ATOMIC64_OP(op_name, op_string) \
+ __ATOMIC64_OP(op_name##_barrier, op_string)
+
+__ATOMIC64_OPS(__atomic64_add, "agr")
+__ATOMIC64_OPS(__atomic64_and, "ngr")
+__ATOMIC64_OPS(__atomic64_or, "ogr")
+__ATOMIC64_OPS(__atomic64_xor, "xgr")
+
+#undef __ATOMIC64_OPS
+
+#endif /* CONFIG_HAVE_MARCH_Z196_FEATURES */
+
+static inline int __atomic_cmpxchg(int *ptr, int old, int new)
+{
+ asm volatile(
+ " cs %[old],%[new],%[ptr]"
+ : [old] "+d" (old), [ptr] "+Q" (*ptr)
+ : [new] "d" (new) : "cc", "memory");
+ return old;
+}
+
+static inline long __atomic64_cmpxchg(long *ptr, long old, long new)
+{
+ asm volatile(
+ " csg %[old],%[new],%[ptr]"
+ : [old] "+d" (old), [ptr] "+Q" (*ptr)
+ : [new] "d" (new) : "cc", "memory");
+ return old;
+}
+
+#endif /* __ARCH_S390_ATOMIC_OPS__ */
diff --git a/arch/s390/include/asm/bitops.h b/arch/s390/include/asm/bitops.h
index 8043f10da6b5..d92047da5ccb 100644
--- a/arch/s390/include/asm/bitops.h
+++ b/arch/s390/include/asm/bitops.h
@@ -42,57 +42,9 @@
#include <linux/typecheck.h>
#include <linux/compiler.h>
+#include <asm/atomic_ops.h>
#include <asm/barrier.h>
-#define __BITOPS_NO_BARRIER "\n"
-
-#ifdef CONFIG_HAVE_MARCH_Z196_FEATURES
-
-#define __BITOPS_OR "laog"
-#define __BITOPS_AND "lang"
-#define __BITOPS_XOR "laxg"
-#define __BITOPS_BARRIER "bcr 14,0\n"
-
-#define __BITOPS_LOOP(__addr, __val, __op_string, __barrier) \
-({ \
- unsigned long __old; \
- \
- typecheck(unsigned long *, (__addr)); \
- asm volatile( \
- __op_string " %0,%2,%1\n" \
- __barrier \
- : "=d" (__old), "+Q" (*(__addr)) \
- : "d" (__val) \
- : "cc", "memory"); \
- __old; \
-})
-
-#else /* CONFIG_HAVE_MARCH_Z196_FEATURES */
-
-#define __BITOPS_OR "ogr"
-#define __BITOPS_AND "ngr"
-#define __BITOPS_XOR "xgr"
-#define __BITOPS_BARRIER "\n"
-
-#define __BITOPS_LOOP(__addr, __val, __op_string, __barrier) \
-({ \
- unsigned long __old, __new; \
- \
- typecheck(unsigned long *, (__addr)); \
- asm volatile( \
- " lg %0,%2\n" \
- "0: lgr %1,%0\n" \
- __op_string " %1,%3\n" \
- " csg %0,%1,%2\n" \
- " jl 0b" \
- : "=&d" (__old), "=&d" (__new), "+Q" (*(__addr))\
- : "d" (__val) \
- : "cc", "memory"); \
- __old; \
-})
-
-#endif /* CONFIG_HAVE_MARCH_Z196_FEATURES */
-
#define __BITOPS_WORDS(bits) (((bits) + BITS_PER_LONG - 1) / BITS_PER_LONG)
static inline unsigned long *
@@ -128,7 +80,7 @@ static inline void set_bit(unsigned long nr, volatile unsigned long *ptr)
}
#endif
mask = 1UL << (nr & (BITS_PER_LONG - 1));
- __BITOPS_LOOP(addr, mask, __BITOPS_OR, __BITOPS_NO_BARRIER);
+ __atomic64_or(mask, addr);
}
static inline void clear_bit(unsigned long nr, volatile unsigned long *ptr)
@@ -149,7 +101,7 @@ static inline void clear_bit(unsigned long nr, volatile unsigned long *ptr)
}
#endif
mask = ~(1UL << (nr & (BITS_PER_LONG - 1)));
- __BITOPS_LOOP(addr, mask, __BITOPS_AND, __BITOPS_NO_BARRIER);
+ __atomic64_and(mask, addr);
}
static inline void change_bit(unsigned long nr, volatile unsigned long *ptr)
@@ -170,7 +122,7 @@ static inline void change_bit(unsigned long nr, volatile unsigned long *ptr)
}
#endif
mask = 1UL << (nr & (BITS_PER_LONG - 1));
- __BITOPS_LOOP(addr, mask, __BITOPS_XOR, __BITOPS_NO_BARRIER);
+ __atomic64_xor(mask, addr);
}
static inline int
@@ -180,7 +132,7 @@ test_and_set_bit(unsigned long nr, volatile unsigned long *ptr)
unsigned long old, mask;
mask = 1UL << (nr & (BITS_PER_LONG - 1));
- old = __BITOPS_LOOP(addr, mask, __BITOPS_OR, __BITOPS_BARRIER);
+ old = __atomic64_or_barrier(mask, addr);
return (old & mask) != 0;
}
@@ -191,7 +143,7 @@ test_and_clear_bit(unsigned long nr, volatile unsigned long *ptr)
unsigned long old, mask;
mask = ~(1UL << (nr & (BITS_PER_LONG - 1)));
- old = __BITOPS_LOOP(addr, mask, __BITOPS_AND, __BITOPS_BARRIER);
+ old = __atomic64_and_barrier(mask, addr);
return (old & ~mask) != 0;
}
@@ -202,7 +154,7 @@ test_and_change_bit(unsigned long nr, volatile unsigned long *ptr)
unsigned long old, mask;
mask = 1UL << (nr & (BITS_PER_LONG - 1));
- old = __BITOPS_LOOP(addr, mask, __BITOPS_XOR, __BITOPS_BARRIER);
+ old = __atomic64_xor_barrier(mask, addr);
return (old & mask) != 0;
}
diff --git a/arch/s390/include/asm/cpu_mf.h b/arch/s390/include/asm/cpu_mf.h
index 03516476127b..b69d8bc231a5 100644
--- a/arch/s390/include/asm/cpu_mf.h
+++ b/arch/s390/include/asm/cpu_mf.h
@@ -104,7 +104,8 @@ struct hws_basic_entry {
unsigned int P:1; /* 28 PSW Problem state */
unsigned int AS:2; /* 29-30 PSW address-space control */
unsigned int I:1; /* 31 entry valid or invalid */
- unsigned int:16;
+ unsigned int CL:2; /* 32-33 Configuration Level */
+ unsigned int:14;
unsigned int prim_asn:16; /* primary ASN */
unsigned long long ia; /* Instruction Address */
unsigned long long gpp; /* Guest Program Parameter */
diff --git a/arch/s390/include/asm/elf.h b/arch/s390/include/asm/elf.h
index 1736c7d3c94c..f4381e1fb19e 100644
--- a/arch/s390/include/asm/elf.h
+++ b/arch/s390/include/asm/elf.h
@@ -193,7 +193,7 @@ extern char elf_platform[];
do { \
set_personality(PER_LINUX | \
(current->personality & (~PER_MASK))); \
- current_thread_info()->sys_call_table = \
+ current->thread.sys_call_table = \
(unsigned long) &sys_call_table; \
} while (0)
#else /* CONFIG_COMPAT */
@@ -204,11 +204,11 @@ do { \
(current->personality & ~PER_MASK)); \
if ((ex).e_ident[EI_CLASS] == ELFCLASS32) { \
set_thread_flag(TIF_31BIT); \
- current_thread_info()->sys_call_table = \
+ current->thread.sys_call_table = \
(unsigned long) &sys_call_table_emu; \
} else { \
clear_thread_flag(TIF_31BIT); \
- current_thread_info()->sys_call_table = \
+ current->thread.sys_call_table = \
(unsigned long) &sys_call_table; \
} \
} while (0)
diff --git a/arch/s390/include/asm/facilities_src.h b/arch/s390/include/asm/facilities_src.h
deleted file mode 100644
index 3b758f66e48b..000000000000
--- a/arch/s390/include/asm/facilities_src.h
+++ /dev/null
@@ -1,82 +0,0 @@
-/*
- * Copyright IBM Corp. 2015
- */
-
-#ifndef S390_GEN_FACILITIES_C
-#error "This file can only be included by gen_facilities.c"
-#endif
-
-#include <linux/kconfig.h>
-
-struct facility_def {
- char *name;
- int *bits;
-};
-
-static struct facility_def facility_defs[] = {
- {
- /*
- * FACILITIES_ALS contains the list of facilities that are
- * required to run a kernel that is compiled e.g. with
- * -march=<machine>.
- */
- .name = "FACILITIES_ALS",
- .bits = (int[]){
-#ifdef CONFIG_HAVE_MARCH_Z900_FEATURES
- 0, /* N3 instructions */
- 1, /* z/Arch mode installed */
-#endif
-#ifdef CONFIG_HAVE_MARCH_Z990_FEATURES
- 18, /* long displacement facility */
-#endif
-#ifdef CONFIG_HAVE_MARCH_Z9_109_FEATURES
- 7, /* stfle */
- 17, /* message security assist */
- 21, /* extended-immediate facility */
- 25, /* store clock fast */
-#endif
-#ifdef CONFIG_HAVE_MARCH_Z10_FEATURES
- 27, /* mvcos */
- 32, /* compare and swap and store */
- 33, /* compare and swap and store 2 */
- 34, /* general extension facility */
- 35, /* execute extensions */
-#endif
-#ifdef CONFIG_HAVE_MARCH_Z196_FEATURES
- 45, /* fast-BCR, etc. */
-#endif
-#ifdef CONFIG_HAVE_MARCH_ZEC12_FEATURES
- 49, /* misc-instruction-extensions */
- 52, /* interlocked facility 2 */
-#endif
-#ifdef CONFIG_HAVE_MARCH_Z13_FEATURES
- 53, /* load-and-zero-rightmost-byte, etc. */
-#endif
- -1 /* END */
- }
- },
- {
- .name = "FACILITIES_KVM",
- .bits = (int[]){
- 0, /* N3 instructions */
- 1, /* z/Arch mode installed */
- 2, /* z/Arch mode active */
- 3, /* DAT-enhancement */
- 4, /* idte segment table */
- 5, /* idte region table */
- 6, /* ASN-and-LX reuse */
- 7, /* stfle */
- 8, /* enhanced-DAT 1 */
- 9, /* sense-running-status */
- 10, /* conditional sske */
- 13, /* ipte-range */
- 14, /* nonquiescing key-setting */
- 73, /* transactional execution */
- 75, /* access-exception-fetch/store indication */
- 76, /* msa extension 3 */
- 77, /* msa extension 4 */
- 78, /* enhanced-DAT 2 */
- -1 /* END */
- }
- },
-};
diff --git a/arch/s390/include/asm/ipl.h b/arch/s390/include/asm/ipl.h
index 4da22b2f0521..edb5161df7e2 100644
--- a/arch/s390/include/asm/ipl.h
+++ b/arch/s390/include/asm/ipl.h
@@ -97,7 +97,7 @@ void __init save_area_add_vxrs(struct save_area *, __vector128 *vxrs);
extern void do_reipl(void);
extern void do_halt(void);
extern void do_poff(void);
-extern void ipl_save_parameters(void);
+extern void ipl_verify_parameters(void);
extern void ipl_update_parameters(void);
extern size_t append_ipl_vmparm(char *, size_t);
extern size_t append_ipl_scpdata(char *, size_t);
diff --git a/arch/s390/include/asm/lowcore.h b/arch/s390/include/asm/lowcore.h
index 7b93b78f423c..9bfad2ad6312 100644
--- a/arch/s390/include/asm/lowcore.h
+++ b/arch/s390/include/asm/lowcore.h
@@ -95,7 +95,7 @@ struct lowcore {
/* Current process. */
__u64 current_task; /* 0x0310 */
- __u64 thread_info; /* 0x0318 */
+ __u8 pad_0x318[0x320-0x318]; /* 0x0318 */
__u64 kernel_stack; /* 0x0320 */
/* Interrupt, panic and restart stack. */
@@ -126,7 +126,8 @@ struct lowcore {
__u64 percpu_offset; /* 0x0378 */
__u64 vdso_per_cpu_data; /* 0x0380 */
__u64 machine_flags; /* 0x0388 */
- __u8 pad_0x0390[0x0398-0x0390]; /* 0x0390 */
+ __u32 preempt_count; /* 0x0390 */
+ __u8 pad_0x0394[0x0398-0x0394]; /* 0x0394 */
__u64 gmap; /* 0x0398 */
__u32 spinlock_lockval; /* 0x03a0 */
__u32 fpu_flags; /* 0x03a4 */
diff --git a/arch/s390/include/asm/pci_clp.h b/arch/s390/include/asm/pci_clp.h
index e75c64cbcf08..c232ef9711f5 100644
--- a/arch/s390/include/asm/pci_clp.h
+++ b/arch/s390/include/asm/pci_clp.h
@@ -46,6 +46,8 @@ struct clp_fh_list_entry {
#define CLP_UTIL_STR_LEN 64
#define CLP_PFIP_NR_SEGMENTS 4
+extern bool zpci_unique_uid;
+
/* List PCI functions request */
struct clp_req_list_pci {
struct clp_req_hdr hdr;
@@ -59,7 +61,8 @@ struct clp_rsp_list_pci {
u64 resume_token;
u32 reserved2;
u16 max_fn;
- u8 reserved3;
+ u8 : 7;
+ u8 uid_checking : 1;
u8 entry_size;
struct clp_fh_list_entry fh_list[CLP_FH_LIST_NR_ENTRIES];
} __packed;
diff --git a/arch/s390/include/asm/pgalloc.h b/arch/s390/include/asm/pgalloc.h
index f4eb9843eed4..166f703dad7c 100644
--- a/arch/s390/include/asm/pgalloc.h
+++ b/arch/s390/include/asm/pgalloc.h
@@ -27,17 +27,17 @@ extern int page_table_allocate_pgste;
static inline void clear_table(unsigned long *s, unsigned long val, size_t n)
{
- typedef struct { char _[n]; } addrtype;
-
- *s = val;
- n = (n / 256) - 1;
- asm volatile(
- " mvc 8(248,%0),0(%0)\n"
- "0: mvc 256(256,%0),0(%0)\n"
- " la %0,256(%0)\n"
- " brct %1,0b\n"
- : "+a" (s), "+d" (n), "=m" (*(addrtype *) s)
- : "m" (*(addrtype *) s));
+ struct addrtype { char _[256]; };
+ int i;
+
+ for (i = 0; i < n; i += 256) {
+ *s = val;
+ asm volatile(
+ "mvc 8(248,%[s]),0(%[s])\n"
+ : "+m" (*(struct addrtype *) s)
+ : [s] "a" (s));
+ s += 256 / sizeof(long);
+ }
}
static inline void crst_table_init(unsigned long *crst, unsigned long entry)
diff --git a/arch/s390/include/asm/preempt.h b/arch/s390/include/asm/preempt.h
new file mode 100644
index 000000000000..b0776b2c8dcf
--- /dev/null
+++ b/arch/s390/include/asm/preempt.h
@@ -0,0 +1,137 @@
+#ifndef __ASM_PREEMPT_H
+#define __ASM_PREEMPT_H
+
+#include <asm/current.h>
+#include <linux/thread_info.h>
+#include <asm/atomic_ops.h>
+
+#ifdef CONFIG_HAVE_MARCH_Z196_FEATURES
+
+#define PREEMPT_ENABLED (0 + PREEMPT_NEED_RESCHED)
+
+static inline int preempt_count(void)
+{
+ return READ_ONCE(S390_lowcore.preempt_count) & ~PREEMPT_NEED_RESCHED;
+}
+
+static inline void preempt_count_set(int pc)
+{
+ int old, new;
+
+ do {
+ old = READ_ONCE(S390_lowcore.preempt_count);
+ new = (old & PREEMPT_NEED_RESCHED) |
+ (pc & ~PREEMPT_NEED_RESCHED);
+ } while (__atomic_cmpxchg(&S390_lowcore.preempt_count,
+ old, new) != old);
+}
+
+#define init_task_preempt_count(p) do { } while (0)
+
+#define init_idle_preempt_count(p, cpu) do { \
+ S390_lowcore.preempt_count = PREEMPT_ENABLED; \
+} while (0)
+
+static inline void set_preempt_need_resched(void)
+{
+ __atomic_and(~PREEMPT_NEED_RESCHED, &S390_lowcore.preempt_count);
+}
+
+static inline void clear_preempt_need_resched(void)
+{
+ __atomic_or(PREEMPT_NEED_RESCHED, &S390_lowcore.preempt_count);
+}
+
+static inline bool test_preempt_need_resched(void)
+{
+ return !(READ_ONCE(S390_lowcore.preempt_count) & PREEMPT_NEED_RESCHED);
+}
+
+static inline void __preempt_count_add(int val)
+{
+ if (__builtin_constant_p(val) && (val >= -128) && (val <= 127))
+ __atomic_add_const(val, &S390_lowcore.preempt_count);
+ else
+ __atomic_add(val, &S390_lowcore.preempt_count);
+}
+
+static inline void __preempt_count_sub(int val)
+{
+ __preempt_count_add(-val);
+}
+
+static inline bool __preempt_count_dec_and_test(void)
+{
+ return __atomic_add(-1, &S390_lowcore.preempt_count) == 1;
+}
+
+static inline bool should_resched(int preempt_offset)
+{
+ return unlikely(READ_ONCE(S390_lowcore.preempt_count) ==
+ preempt_offset);
+}
+
+#else /* CONFIG_HAVE_MARCH_Z196_FEATURES */
+
+#define PREEMPT_ENABLED (0)
+
+static inline int preempt_count(void)
+{
+ return READ_ONCE(S390_lowcore.preempt_count);
+}
+
+static inline void preempt_count_set(int pc)
+{
+ S390_lowcore.preempt_count = pc;
+}
+
+#define init_task_preempt_count(p) do { } while (0)
+
+#define init_idle_preempt_count(p, cpu) do { \
+ S390_lowcore.preempt_count = PREEMPT_ENABLED; \
+} while (0)
+
+static inline void set_preempt_need_resched(void)
+{
+}
+
+static inline void clear_preempt_need_resched(void)
+{
+}
+
+static inline bool test_preempt_need_resched(void)
+{
+ return false;
+}
+
+static inline void __preempt_count_add(int val)
+{
+ S390_lowcore.preempt_count += val;
+}
+
+static inline void __preempt_count_sub(int val)
+{
+ S390_lowcore.preempt_count -= val;
+}
+
+static inline bool __preempt_count_dec_and_test(void)
+{
+ return !--S390_lowcore.preempt_count && tif_need_resched();
+}
+
+static inline bool should_resched(int preempt_offset)
+{
+ return unlikely(preempt_count() == preempt_offset &&
+ tif_need_resched());
+}
+
+#endif /* CONFIG_HAVE_MARCH_Z196_FEATURES */
+
+#ifdef CONFIG_PREEMPT
+extern asmlinkage void preempt_schedule(void);
+#define __preempt_schedule() preempt_schedule()
+extern asmlinkage void preempt_schedule_notrace(void);
+#define __preempt_schedule_notrace() preempt_schedule_notrace()
+#endif /* CONFIG_PREEMPT */
+
+#endif /* __ASM_PREEMPT_H */
diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h
index 9d3a21aedc97..6bca916a5ba0 100644
--- a/arch/s390/include/asm/processor.h
+++ b/arch/s390/include/asm/processor.h
@@ -110,14 +110,20 @@ typedef struct {
struct thread_struct {
unsigned int acrs[NUM_ACRS];
unsigned long ksp; /* kernel stack pointer */
+ unsigned long user_timer; /* task cputime in user space */
+ unsigned long system_timer; /* task cputime in kernel space */
+ unsigned long sys_call_table; /* system call table address */
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 */
+ /* Per-thread information related to debugging */
struct per_regs per_user; /* User specified PER registers */
struct per_event per_event; /* Cause of the last PER trap */
unsigned long per_flags; /* Flags to control debug behavior */
+ unsigned int system_call; /* system call number in signal */
+ unsigned long last_break; /* last breaking-event-address. */
/* pfault_wait is used to block the process on a pfault event */
unsigned long pfault_wait;
struct list_head list;
diff --git a/arch/s390/include/asm/sclp.h b/arch/s390/include/asm/sclp.h
index 2ad9c204b1a2..8db92a5b3bf1 100644
--- a/arch/s390/include/asm/sclp.h
+++ b/arch/s390/include/asm/sclp.h
@@ -101,7 +101,8 @@ struct zpci_report_error_header {
u8 data[0]; /* Subsequent Data passed verbatim to SCLP ET 24 */
} __packed;
-int sclp_get_core_info(struct sclp_core_info *info);
+int _sclp_get_core_info_early(struct sclp_core_info *info);
+int _sclp_get_core_info(struct sclp_core_info *info);
int sclp_core_configure(u8 core);
int sclp_core_deconfigure(u8 core);
int sclp_sdias_blk_count(void);
@@ -119,4 +120,11 @@ void sclp_early_detect(void);
void _sclp_print_early(const char *);
void sclp_ocf_cpc_name_copy(char *dst);
+static inline int sclp_get_core_info(struct sclp_core_info *info, int early)
+{
+ if (early)
+ return _sclp_get_core_info_early(info);
+ return _sclp_get_core_info(info);
+}
+
#endif /* _ASM_S390_SCLP_H */
diff --git a/arch/s390/include/asm/scsw.h b/arch/s390/include/asm/scsw.h
index 4af99cdaddf5..17a7904f001a 100644
--- a/arch/s390/include/asm/scsw.h
+++ b/arch/s390/include/asm/scsw.h
@@ -96,7 +96,8 @@ struct tm_scsw {
u32 dstat:8;
u32 cstat:8;
u32 fcxs:8;
- u32 schxs:8;
+ u32 ifob:1;
+ u32 sesq:7;
} __attribute__ ((packed));
/**
@@ -177,6 +178,9 @@ union scsw {
#define SCHN_STAT_INTF_CTRL_CHK 0x02
#define SCHN_STAT_CHAIN_CHECK 0x01
+#define SCSW_SESQ_DEV_NOFCX 3
+#define SCSW_SESQ_PATH_NOFCX 4
+
/*
* architectured values for first sense byte
*/
diff --git a/arch/s390/include/asm/smp.h b/arch/s390/include/asm/smp.h
index 0cc383b9be7f..3deb134587b7 100644
--- a/arch/s390/include/asm/smp.h
+++ b/arch/s390/include/asm/smp.h
@@ -36,6 +36,7 @@ extern void smp_yield_cpu(int cpu);
extern void smp_cpu_set_polarization(int cpu, int val);
extern int smp_cpu_get_polarization(int cpu);
extern void smp_fill_possible_mask(void);
+extern void smp_detect_cpus(void);
#else /* CONFIG_SMP */
@@ -56,6 +57,7 @@ static inline int smp_store_status(int cpu) { return 0; }
static inline int smp_vcpu_scheduled(int cpu) { return 1; }
static inline void smp_yield_cpu(int cpu) { }
static inline void smp_fill_possible_mask(void) { }
+static inline void smp_detect_cpus(void) { }
#endif /* CONFIG_SMP */
@@ -69,6 +71,12 @@ static inline void smp_stop_cpu(void)
}
}
+/* Return thread 0 CPU number as base CPU */
+static inline int smp_get_base_cpu(int cpu)
+{
+ return cpu - (cpu % (smp_cpu_mtid + 1));
+}
+
#ifdef CONFIG_HOTPLUG_CPU
extern int smp_rescan_cpus(void);
extern void __noreturn cpu_die(void);
diff --git a/arch/s390/include/asm/string.h b/arch/s390/include/asm/string.h
index 8662f5c8e17f..15a3c005c274 100644
--- a/arch/s390/include/asm/string.h
+++ b/arch/s390/include/asm/string.h
@@ -14,6 +14,7 @@
#define __HAVE_ARCH_MEMCHR /* inline & arch function */
#define __HAVE_ARCH_MEMCMP /* arch function */
#define __HAVE_ARCH_MEMCPY /* gcc builtin & arch function */
+#define __HAVE_ARCH_MEMMOVE /* gcc builtin & arch function */
#define __HAVE_ARCH_MEMSCAN /* inline & arch function */
#define __HAVE_ARCH_MEMSET /* gcc builtin & arch function */
#define __HAVE_ARCH_STRCAT /* inline & arch function */
@@ -32,6 +33,7 @@
extern int memcmp(const void *, const void *, size_t);
extern void *memcpy(void *, const void *, size_t);
extern void *memset(void *, int, size_t);
+extern void *memmove(void *, const void *, size_t);
extern int strcmp(const char *,const char *);
extern size_t strlcat(char *, const char *, size_t);
extern size_t strlcpy(char *, const char *, size_t);
@@ -40,7 +42,6 @@ extern char *strncpy(char *, const char *, size_t);
extern char *strrchr(const char *, int);
extern char *strstr(const char *, const char *);
-#undef __HAVE_ARCH_MEMMOVE
#undef __HAVE_ARCH_STRCHR
#undef __HAVE_ARCH_STRNCHR
#undef __HAVE_ARCH_STRNCMP
diff --git a/arch/s390/include/asm/sysinfo.h b/arch/s390/include/asm/sysinfo.h
index 2728114d5484..229326c942c7 100644
--- a/arch/s390/include/asm/sysinfo.h
+++ b/arch/s390/include/asm/sysinfo.h
@@ -107,6 +107,11 @@ struct sysinfo_2_2_2 {
char reserved_3[5];
unsigned short cpus_dedicated;
unsigned short cpus_shared;
+ char reserved_4[3];
+ unsigned char vsne;
+ uuid_be uuid;
+ char reserved_5[160];
+ char ext_name[256];
};
#define LPAR_CHAR_DEDICATED (1 << 7)
@@ -127,7 +132,7 @@ struct sysinfo_3_2_2 {
unsigned int caf;
char cpi[16];
char reserved_1[3];
- char ext_name_encoding;
+ unsigned char evmne;
unsigned int reserved_2;
uuid_be uuid;
} vm[8];
diff --git a/arch/s390/include/asm/thread_info.h b/arch/s390/include/asm/thread_info.h
index f15c0398c363..a5b54a445eb8 100644
--- a/arch/s390/include/asm/thread_info.h
+++ b/arch/s390/include/asm/thread_info.h
@@ -12,10 +12,10 @@
/*
* Size of kernel stack for each process
*/
-#define THREAD_ORDER 2
+#define THREAD_SIZE_ORDER 2
#define ASYNC_ORDER 2
-#define THREAD_SIZE (PAGE_SIZE << THREAD_ORDER)
+#define THREAD_SIZE (PAGE_SIZE << THREAD_SIZE_ORDER)
#define ASYNC_SIZE (PAGE_SIZE << ASYNC_ORDER)
#ifndef __ASSEMBLY__
@@ -30,15 +30,7 @@
* - if the contents of this structure are changed, the assembly constants must also be changed
*/
struct thread_info {
- struct task_struct *task; /* main task structure */
unsigned long flags; /* low level flags */
- unsigned long sys_call_table; /* System call table address */
- unsigned int cpu; /* current CPU */
- int preempt_count; /* 0 => preemptable, <0 => BUG */
- unsigned int system_call;
- __u64 user_timer;
- __u64 system_timer;
- unsigned long last_break; /* last breaking-event-address. */
};
/*
@@ -46,26 +38,14 @@ struct thread_info {
*/
#define INIT_THREAD_INFO(tsk) \
{ \
- .task = &tsk, \
.flags = 0, \
- .cpu = 0, \
- .preempt_count = INIT_PREEMPT_COUNT, \
}
-#define init_thread_info (init_thread_union.thread_info)
#define init_stack (init_thread_union.stack)
-/* how to get the thread information struct from C */
-static inline struct thread_info *current_thread_info(void)
-{
- return (struct thread_info *) S390_lowcore.thread_info;
-}
-
void arch_release_task_struct(struct task_struct *tsk);
int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src);
-#define THREAD_SIZE_ORDER THREAD_ORDER
-
#endif
/*
diff --git a/arch/s390/include/asm/timex.h b/arch/s390/include/asm/timex.h
index 0bb08f341c09..de8298800722 100644
--- a/arch/s390/include/asm/timex.h
+++ b/arch/s390/include/asm/timex.h
@@ -52,11 +52,9 @@ static inline void store_clock_comparator(__u64 *time)
void clock_comparator_work(void);
-void __init ptff_init(void);
+void __init time_early_init(void);
extern unsigned char ptff_function_mask[16];
-extern unsigned long lpar_offset;
-extern unsigned long initial_leap_seconds;
/* Function codes for the ptff instruction. */
#define PTFF_QAF 0x00 /* query available functions */
@@ -100,21 +98,28 @@ struct ptff_qui {
unsigned int pad_0x5c[41];
} __packed;
-static inline int ptff(void *ptff_block, size_t len, unsigned int func)
-{
- typedef struct { char _[len]; } addrtype;
- register unsigned int reg0 asm("0") = func;
- register unsigned long reg1 asm("1") = (unsigned long) ptff_block;
- int rc;
-
- asm volatile(
- " .word 0x0104\n"
- " ipm %0\n"
- " srl %0,28\n"
- : "=d" (rc), "+m" (*(addrtype *) ptff_block)
- : "d" (reg0), "d" (reg1) : "cc");
- return rc;
-}
+/*
+ * ptff - Perform timing facility function
+ * @ptff_block: Pointer to ptff parameter block
+ * @len: Length of parameter block
+ * @func: Function code
+ * Returns: Condition code (0 on success)
+ */
+#define ptff(ptff_block, len, func) \
+({ \
+ struct addrtype { char _[len]; }; \
+ register unsigned int reg0 asm("0") = func; \
+ register unsigned long reg1 asm("1") = (unsigned long) (ptff_block);\
+ int rc; \
+ \
+ asm volatile( \
+ " .word 0x0104\n" \
+ " ipm %0\n" \
+ " srl %0,28\n" \
+ : "=d" (rc), "+m" (*(struct addrtype *) reg1) \
+ : "d" (reg0), "d" (reg1) : "cc"); \
+ rc; \
+})
static inline unsigned long long local_tick_disable(void)
{
diff --git a/arch/s390/include/asm/topology.h b/arch/s390/include/asm/topology.h
index f15f5571ca2b..fa1bfce10370 100644
--- a/arch/s390/include/asm/topology.h
+++ b/arch/s390/include/asm/topology.h
@@ -22,21 +22,22 @@ struct cpu_topology_s390 {
cpumask_t drawer_mask;
};
-DECLARE_PER_CPU(struct cpu_topology_s390, cpu_topology);
-
-#define topology_physical_package_id(cpu) (per_cpu(cpu_topology, cpu).socket_id)
-#define topology_thread_id(cpu) (per_cpu(cpu_topology, cpu).thread_id)
-#define topology_sibling_cpumask(cpu) \
- (&per_cpu(cpu_topology, cpu).thread_mask)
-#define topology_core_id(cpu) (per_cpu(cpu_topology, cpu).core_id)
-#define topology_core_cpumask(cpu) (&per_cpu(cpu_topology, cpu).core_mask)
-#define topology_book_id(cpu) (per_cpu(cpu_topology, cpu).book_id)
-#define topology_book_cpumask(cpu) (&per_cpu(cpu_topology, cpu).book_mask)
-#define topology_drawer_id(cpu) (per_cpu(cpu_topology, cpu).drawer_id)
-#define topology_drawer_cpumask(cpu) (&per_cpu(cpu_topology, cpu).drawer_mask)
+extern struct cpu_topology_s390 cpu_topology[NR_CPUS];
+extern cpumask_t cpus_with_topology;
+
+#define topology_physical_package_id(cpu) (cpu_topology[cpu].socket_id)
+#define topology_thread_id(cpu) (cpu_topology[cpu].thread_id)
+#define topology_sibling_cpumask(cpu) (&cpu_topology[cpu].thread_mask)
+#define topology_core_id(cpu) (cpu_topology[cpu].core_id)
+#define topology_core_cpumask(cpu) (&cpu_topology[cpu].core_mask)
+#define topology_book_id(cpu) (cpu_topology[cpu].book_id)
+#define topology_book_cpumask(cpu) (&cpu_topology[cpu].book_mask)
+#define topology_drawer_id(cpu) (cpu_topology[cpu].drawer_id)
+#define topology_drawer_cpumask(cpu) (&cpu_topology[cpu].drawer_mask)
#define mc_capable() 1
+void topology_init_early(void);
int topology_cpu_init(struct cpu *);
int topology_set_cpu_management(int fc);
void topology_schedule_update(void);
@@ -46,6 +47,7 @@ const struct cpumask *cpu_coregroup_mask(int cpu);
#else /* CONFIG_SCHED_TOPOLOGY */
+static inline void topology_init_early(void) { }
static inline void topology_schedule_update(void) { }
static inline int topology_cpu_init(struct cpu *cpu) { return 0; }
static inline void topology_expect_change(void) { }
@@ -65,7 +67,7 @@ static inline void topology_expect_change(void) { }
#define cpu_to_node cpu_to_node
static inline int cpu_to_node(int cpu)
{
- return per_cpu(cpu_topology, cpu).node_id;
+ return cpu_topology[cpu].node_id;
}
/* Returns a pointer to the cpumask of CPUs on node 'node'. */
diff --git a/arch/s390/include/asm/uaccess.h b/arch/s390/include/asm/uaccess.h
index 52d7c8709279..f82b04e85a21 100644
--- a/arch/s390/include/asm/uaccess.h
+++ b/arch/s390/include/asm/uaccess.h
@@ -37,14 +37,14 @@
#define get_ds() (KERNEL_DS)
#define get_fs() (current->thread.mm_segment)
-#define set_fs(x) \
-({ \
+#define set_fs(x) \
+{ \
unsigned long __pto; \
current->thread.mm_segment = (x); \
__pto = current->thread.mm_segment.ar4 ? \
S390_lowcore.user_asce : S390_lowcore.kernel_asce; \
__ctl_load(__pto, 7, 7); \
-})
+}
#define segment_eq(a,b) ((a).ar4 == (b).ar4)
diff --git a/arch/s390/include/asm/vdso.h b/arch/s390/include/asm/vdso.h
index d0a2dbf2433d..88bdc477a843 100644
--- a/arch/s390/include/asm/vdso.h
+++ b/arch/s390/include/asm/vdso.h
@@ -33,6 +33,8 @@ struct vdso_data {
__u32 ectg_available; /* ECTG instruction present 0x58 */
__u32 tk_mult; /* Mult. used for xtime_nsec 0x5c */
__u32 tk_shift; /* Shift used for xtime_nsec 0x60 */
+ __u32 ts_dir; /* TOD steering direction 0x64 */
+ __u64 ts_end; /* TOD steering end 0x68 */
};
struct vdso_per_cpu_data {
diff --git a/arch/s390/include/uapi/asm/Kbuild b/arch/s390/include/uapi/asm/Kbuild
index cc44b09c25fc..bf736e764cb4 100644
--- a/arch/s390/include/uapi/asm/Kbuild
+++ b/arch/s390/include/uapi/asm/Kbuild
@@ -12,6 +12,7 @@ header-y += dasd.h
header-y += debug.h
header-y += errno.h
header-y += fcntl.h
+header-y += hypfs.h
header-y += ioctl.h
header-y += ioctls.h
header-y += ipcbuf.h
@@ -29,16 +30,16 @@ header-y += ptrace.h
header-y += qeth.h
header-y += resource.h
header-y += schid.h
+header-y += sclp_ctl.h
header-y += sembuf.h
header-y += setup.h
header-y += shmbuf.h
+header-y += sie.h
header-y += sigcontext.h
header-y += siginfo.h
header-y += signal.h
header-y += socket.h
header-y += sockios.h
-header-y += sclp_ctl.h
-header-y += sie.h
header-y += stat.h
header-y += statfs.h
header-y += swab.h