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-rw-r--r--include/asm-s390/bitops.h42
-rw-r--r--include/asm-s390/cio.h2
-rw-r--r--include/asm-s390/cmb.h4
-rw-r--r--include/asm-s390/dasd.h8
-rw-r--r--include/asm-s390/irqflags.h50
-rw-r--r--include/asm-s390/percpu.h1
-rw-r--r--include/asm-s390/pgtable.h7
-rw-r--r--include/asm-s390/rwsem.h31
-rw-r--r--include/asm-s390/semaphore.h3
-rw-r--r--include/asm-s390/signal.h2
-rw-r--r--include/asm-s390/socket.h1
-rw-r--r--include/asm-s390/system.h32
-rw-r--r--include/asm-s390/thread_info.h1
-rw-r--r--include/asm-s390/unistd.h4
14 files changed, 96 insertions, 92 deletions
diff --git a/include/asm-s390/bitops.h b/include/asm-s390/bitops.h
index 4d2b126ba15..0ddcdba79e4 100644
--- a/include/asm-s390/bitops.h
+++ b/include/asm-s390/bitops.h
@@ -12,6 +12,9 @@
* Copyright (C) 1992, Linus Torvalds
*
*/
+
+#ifdef __KERNEL__
+
#include <linux/compiler.h>
/*
@@ -50,19 +53,6 @@
* with operation of the form "set_bit(bitnr, flags)".
*/
-/* set ALIGN_CS to 1 if the SMP safe bit operations should
- * align the address to 4 byte boundary. It seems to work
- * without the alignment.
- */
-#ifdef __KERNEL__
-#define ALIGN_CS 0
-#else
-#define ALIGN_CS 1
-#ifndef CONFIG_SMP
-#error "bitops won't work without CONFIG_SMP"
-#endif
-#endif
-
/* bitmap tables from arch/S390/kernel/bitmap.S */
extern const char _oi_bitmap[];
extern const char _ni_bitmap[];
@@ -121,10 +111,6 @@ static inline void set_bit_cs(unsigned long nr, volatile unsigned long *ptr)
unsigned long addr, old, new, mask;
addr = (unsigned long) ptr;
-#if ALIGN_CS == 1
- nr += (addr & __BITOPS_ALIGN) << 3; /* add alignment to bit number */
- addr ^= addr & __BITOPS_ALIGN; /* align address to 8 */
-#endif
/* calculate address for CS */
addr += (nr ^ (nr & (__BITOPS_WORDSIZE - 1))) >> 3;
/* make OR mask */
@@ -141,10 +127,6 @@ static inline void clear_bit_cs(unsigned long nr, volatile unsigned long *ptr)
unsigned long addr, old, new, mask;
addr = (unsigned long) ptr;
-#if ALIGN_CS == 1
- nr += (addr & __BITOPS_ALIGN) << 3; /* add alignment to bit number */
- addr ^= addr & __BITOPS_ALIGN; /* align address to 8 */
-#endif
/* calculate address for CS */
addr += (nr ^ (nr & (__BITOPS_WORDSIZE - 1))) >> 3;
/* make AND mask */
@@ -161,10 +143,6 @@ static inline void change_bit_cs(unsigned long nr, volatile unsigned long *ptr)
unsigned long addr, old, new, mask;
addr = (unsigned long) ptr;
-#if ALIGN_CS == 1
- nr += (addr & __BITOPS_ALIGN) << 3; /* add alignment to bit number */
- addr ^= addr & __BITOPS_ALIGN; /* align address to 8 */
-#endif
/* calculate address for CS */
addr += (nr ^ (nr & (__BITOPS_WORDSIZE - 1))) >> 3;
/* make XOR mask */
@@ -182,10 +160,6 @@ test_and_set_bit_cs(unsigned long nr, volatile unsigned long *ptr)
unsigned long addr, old, new, mask;
addr = (unsigned long) ptr;
-#if ALIGN_CS == 1
- nr += (addr & __BITOPS_ALIGN) << 3; /* add alignment to bit number */
- addr ^= addr & __BITOPS_ALIGN; /* align address to 8 */
-#endif
/* calculate address for CS */
addr += (nr ^ (nr & (__BITOPS_WORDSIZE - 1))) >> 3;
/* make OR/test mask */
@@ -205,10 +179,6 @@ test_and_clear_bit_cs(unsigned long nr, volatile unsigned long *ptr)
unsigned long addr, old, new, mask;
addr = (unsigned long) ptr;
-#if ALIGN_CS == 1
- nr += (addr & __BITOPS_ALIGN) << 3; /* add alignment to bit number */
- addr ^= addr & __BITOPS_ALIGN; /* align address to 8 */
-#endif
/* calculate address for CS */
addr += (nr ^ (nr & (__BITOPS_WORDSIZE - 1))) >> 3;
/* make AND/test mask */
@@ -228,10 +198,6 @@ test_and_change_bit_cs(unsigned long nr, volatile unsigned long *ptr)
unsigned long addr, old, new, mask;
addr = (unsigned long) ptr;
-#if ALIGN_CS == 1
- nr += (addr & __BITOPS_ALIGN) << 3; /* add alignment to bit number */
- addr ^= addr & __BITOPS_ALIGN; /* align address to 8 */
-#endif
/* calculate address for CS */
addr += (nr ^ (nr & (__BITOPS_WORDSIZE - 1))) >> 3;
/* make XOR/test mask */
@@ -834,8 +800,6 @@ static inline int sched_find_first_bit(unsigned long *b)
#include <asm-generic/bitops/hweight.h>
-#ifdef __KERNEL__
-
/*
* ATTENTION: intel byte ordering convention for ext2 and minix !!
* bit 0 is the LSB of addr; bit 31 is the MSB of addr;
diff --git a/include/asm-s390/cio.h b/include/asm-s390/cio.h
index 089cf567c31..2b161930635 100644
--- a/include/asm-s390/cio.h
+++ b/include/asm-s390/cio.h
@@ -276,6 +276,8 @@ extern void wait_cons_dev(void);
extern void clear_all_subchannels(void);
+extern void css_schedule_reprobe(void);
+
#endif
#endif
diff --git a/include/asm-s390/cmb.h b/include/asm-s390/cmb.h
index 2d09950a9c1..241756f80df 100644
--- a/include/asm-s390/cmb.h
+++ b/include/asm-s390/cmb.h
@@ -44,10 +44,6 @@ struct cmbdata {
#define BIODASDCMFENABLE _IO(DASD_IOCTL_LETTER,32)
/* enable channel measurement */
#define BIODASDCMFDISABLE _IO(DASD_IOCTL_LETTER,33)
-/* reset channel measurement block */
-#define BIODASDRESETCMB _IO(DASD_IOCTL_LETTER,34)
-/* read channel measurement data */
-#define BIODASDREADCMB _IOWR(DASD_IOCTL_LETTER,32,__u64)
/* read channel measurement data */
#define BIODASDREADALLCMB _IOWR(DASD_IOCTL_LETTER,33,struct cmbdata)
diff --git a/include/asm-s390/dasd.h b/include/asm-s390/dasd.h
index 1630c26e8f4..c042f957808 100644
--- a/include/asm-s390/dasd.h
+++ b/include/asm-s390/dasd.h
@@ -68,10 +68,12 @@ typedef struct dasd_information2_t {
* 0x00: default features
* 0x01: readonly (ro)
* 0x02: use diag discipline (diag)
+ * 0x04: set the device initially online (internal use only)
*/
-#define DASD_FEATURE_DEFAULT 0
-#define DASD_FEATURE_READONLY 1
-#define DASD_FEATURE_USEDIAG 2
+#define DASD_FEATURE_DEFAULT 0x00
+#define DASD_FEATURE_READONLY 0x01
+#define DASD_FEATURE_USEDIAG 0x02
+#define DASD_FEATURE_INITIAL_ONLINE 0x04
#define DASD_PARTN_BITS 2
diff --git a/include/asm-s390/irqflags.h b/include/asm-s390/irqflags.h
new file mode 100644
index 00000000000..65f4db627e7
--- /dev/null
+++ b/include/asm-s390/irqflags.h
@@ -0,0 +1,50 @@
+/*
+ * include/asm-s390/irqflags.h
+ *
+ * Copyright (C) IBM Corp. 2006
+ * Author(s): Heiko Carstens <heiko.carstens@de.ibm.com>
+ */
+
+#ifndef __ASM_IRQFLAGS_H
+#define __ASM_IRQFLAGS_H
+
+#ifdef __KERNEL__
+
+/* interrupt control.. */
+#define raw_local_irq_enable() ({ \
+ unsigned long __dummy; \
+ __asm__ __volatile__ ( \
+ "stosm 0(%1),0x03" \
+ : "=m" (__dummy) : "a" (&__dummy) : "memory" ); \
+ })
+
+#define raw_local_irq_disable() ({ \
+ unsigned long __flags; \
+ __asm__ __volatile__ ( \
+ "stnsm 0(%1),0xfc" : "=m" (__flags) : "a" (&__flags) ); \
+ __flags; \
+ })
+
+#define raw_local_save_flags(x) \
+ __asm__ __volatile__("stosm 0(%1),0" : "=m" (x) : "a" (&x), "m" (x) )
+
+#define raw_local_irq_restore(x) \
+ __asm__ __volatile__("ssm 0(%0)" : : "a" (&x), "m" (x) : "memory")
+
+#define raw_irqs_disabled() \
+({ \
+ unsigned long flags; \
+ local_save_flags(flags); \
+ !((flags >> __FLAG_SHIFT) & 3); \
+})
+
+static inline int raw_irqs_disabled_flags(unsigned long flags)
+{
+ return !((flags >> __FLAG_SHIFT) & 3);
+}
+
+/* For spinlocks etc */
+#define raw_local_irq_save(x) ((x) = raw_local_irq_disable())
+
+#endif /* __KERNEL__ */
+#endif /* __ASM_IRQFLAGS_H */
diff --git a/include/asm-s390/percpu.h b/include/asm-s390/percpu.h
index d9a8cca9b65..28b3517e787 100644
--- a/include/asm-s390/percpu.h
+++ b/include/asm-s390/percpu.h
@@ -42,6 +42,7 @@ extern unsigned long __per_cpu_offset[NR_CPUS];
#define __get_cpu_var(var) __reloc_hide(var,S390_lowcore.percpu_offset)
#define __raw_get_cpu_var(var) __reloc_hide(var,S390_lowcore.percpu_offset)
#define per_cpu(var,cpu) __reloc_hide(var,__per_cpu_offset[cpu])
+#define per_cpu_offset(x) (__per_cpu_offset[x])
/* A macro to avoid #include hell... */
#define percpu_modcopy(pcpudst, src, size) \
diff --git a/include/asm-s390/pgtable.h b/include/asm-s390/pgtable.h
index 859b5e96982..24312387fa2 100644
--- a/include/asm-s390/pgtable.h
+++ b/include/asm-s390/pgtable.h
@@ -657,13 +657,6 @@ static inline pte_t mk_pte_phys(unsigned long physpage, pgprot_t pgprot)
__pte; \
})
-#define SetPageUptodate(_page) \
- do { \
- struct page *__page = (_page); \
- if (!test_and_set_bit(PG_uptodate, &__page->flags)) \
- page_test_and_clear_dirty(_page); \
- } while (0)
-
#ifdef __s390x__
#define pfn_pmd(pfn, pgprot) \
diff --git a/include/asm-s390/rwsem.h b/include/asm-s390/rwsem.h
index 0422a085dd5..13ec1696515 100644
--- a/include/asm-s390/rwsem.h
+++ b/include/asm-s390/rwsem.h
@@ -61,6 +61,9 @@ struct rw_semaphore {
signed long count;
spinlock_t wait_lock;
struct list_head wait_list;
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+ struct lockdep_map dep_map;
+#endif
};
#ifndef __s390x__
@@ -80,8 +83,16 @@ struct rw_semaphore {
/*
* initialisation
*/
+
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+# define __RWSEM_DEP_MAP_INIT(lockname) , .dep_map = { .name = #lockname }
+#else
+# define __RWSEM_DEP_MAP_INIT(lockname)
+#endif
+
#define __RWSEM_INITIALIZER(name) \
-{ RWSEM_UNLOCKED_VALUE, SPIN_LOCK_UNLOCKED, LIST_HEAD_INIT((name).wait_list) }
+{ RWSEM_UNLOCKED_VALUE, SPIN_LOCK_UNLOCKED, LIST_HEAD_INIT((name).wait_list) \
+ __RWSEM_DEP_MAP_INIT(name) }
#define DECLARE_RWSEM(name) \
struct rw_semaphore name = __RWSEM_INITIALIZER(name)
@@ -93,6 +104,17 @@ static inline void init_rwsem(struct rw_semaphore *sem)
INIT_LIST_HEAD(&sem->wait_list);
}
+extern void __init_rwsem(struct rw_semaphore *sem, const char *name,
+ struct lock_class_key *key);
+
+#define init_rwsem(sem) \
+do { \
+ static struct lock_class_key __key; \
+ \
+ __init_rwsem((sem), #sem, &__key); \
+} while (0)
+
+
/*
* lock for reading
*/
@@ -155,7 +177,7 @@ static inline int __down_read_trylock(struct rw_semaphore *sem)
/*
* lock for writing
*/
-static inline void __down_write(struct rw_semaphore *sem)
+static inline void __down_write_nested(struct rw_semaphore *sem, int subclass)
{
signed long old, new, tmp;
@@ -181,6 +203,11 @@ static inline void __down_write(struct rw_semaphore *sem)
rwsem_down_write_failed(sem);
}
+static inline void __down_write(struct rw_semaphore *sem)
+{
+ __down_write_nested(sem, 0);
+}
+
/*
* trylock for writing -- returns 1 if successful, 0 if contention
*/
diff --git a/include/asm-s390/semaphore.h b/include/asm-s390/semaphore.h
index 702cf436698..32cdc69f39f 100644
--- a/include/asm-s390/semaphore.h
+++ b/include/asm-s390/semaphore.h
@@ -37,7 +37,8 @@ struct semaphore {
static inline void sema_init (struct semaphore *sem, int val)
{
- *sem = (struct semaphore) __SEMAPHORE_INITIALIZER((*sem),val);
+ atomic_set(&sem->count, val);
+ init_waitqueue_head(&sem->wait);
}
static inline void init_MUTEX (struct semaphore *sem)
diff --git a/include/asm-s390/signal.h b/include/asm-s390/signal.h
index 7084626de21..f6cfddb278c 100644
--- a/include/asm-s390/signal.h
+++ b/include/asm-s390/signal.h
@@ -84,7 +84,6 @@ typedef unsigned long sigset_t;
* SA_FLAGS values:
*
* SA_ONSTACK indicates that a registered stack_t will be used.
- * SA_INTERRUPT is a no-op, but left due to historical reasons. Use the
* SA_RESTART flag to get restarting signals (which were the default long ago)
* SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
* SA_RESETHAND clears the handler when the signal is delivered.
@@ -104,7 +103,6 @@ typedef unsigned long sigset_t;
#define SA_NOMASK SA_NODEFER
#define SA_ONESHOT SA_RESETHAND
-#define SA_INTERRUPT 0x20000000 /* dummy -- ignored */
#define SA_RESTORER 0x04000000
diff --git a/include/asm-s390/socket.h b/include/asm-s390/socket.h
index 15a5298c874..1778a49a74c 100644
--- a/include/asm-s390/socket.h
+++ b/include/asm-s390/socket.h
@@ -56,5 +56,6 @@
#define SO_ACCEPTCONN 30
#define SO_PEERSEC 31
+#define SO_PASSSEC 34
#endif /* _ASM_SOCKET_H */
diff --git a/include/asm-s390/system.h b/include/asm-s390/system.h
index 71a0732cd51..9ab186ffde2 100644
--- a/include/asm-s390/system.h
+++ b/include/asm-s390/system.h
@@ -301,34 +301,6 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
#define set_mb(var, value) do { var = value; mb(); } while (0)
#define set_wmb(var, value) do { var = value; wmb(); } while (0)
-/* interrupt control.. */
-#define local_irq_enable() ({ \
- unsigned long __dummy; \
- __asm__ __volatile__ ( \
- "stosm 0(%1),0x03" \
- : "=m" (__dummy) : "a" (&__dummy) : "memory" ); \
- })
-
-#define local_irq_disable() ({ \
- unsigned long __flags; \
- __asm__ __volatile__ ( \
- "stnsm 0(%1),0xfc" : "=m" (__flags) : "a" (&__flags) ); \
- __flags; \
- })
-
-#define local_save_flags(x) \
- __asm__ __volatile__("stosm 0(%1),0" : "=m" (x) : "a" (&x), "m" (x) )
-
-#define local_irq_restore(x) \
- __asm__ __volatile__("ssm 0(%0)" : : "a" (&x), "m" (x) : "memory")
-
-#define irqs_disabled() \
-({ \
- unsigned long flags; \
- local_save_flags(flags); \
- !((flags >> __FLAG_SHIFT) & 3); \
-})
-
#ifdef __s390x__
#define __ctl_load(array, low, high) ({ \
@@ -442,8 +414,7 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
})
#endif /* __s390x__ */
-/* For spinlocks etc */
-#define local_irq_save(x) ((x) = local_irq_disable())
+#include <linux/irqflags.h>
/*
* Use to set psw mask except for the first byte which
@@ -482,4 +453,3 @@ extern void (*_machine_power_off)(void);
#endif /* __KERNEL__ */
#endif
-
diff --git a/include/asm-s390/thread_info.h b/include/asm-s390/thread_info.h
index 8e0c7ed73d0..0a518915bf9 100644
--- a/include/asm-s390/thread_info.h
+++ b/include/asm-s390/thread_info.h
@@ -63,6 +63,7 @@ struct thread_info {
.exec_domain = &default_exec_domain, \
.flags = 0, \
.cpu = 0, \
+ .preempt_count = 1, \
.restart_block = { \
.fn = do_no_restart_syscall, \
}, \
diff --git a/include/asm-s390/unistd.h b/include/asm-s390/unistd.h
index e21443d3ea1..aa7a243862e 100644
--- a/include/asm-s390/unistd.h
+++ b/include/asm-s390/unistd.h
@@ -394,11 +394,9 @@
#ifdef __KERNEL__
-/* user-visible error numbers are in the range -1 - -122: see <asm-s390/errno.h> */
-
#define __syscall_return(type, res) \
do { \
- if ((unsigned long)(res) >= (unsigned long)(-125)) { \
+ if ((unsigned long)(res) >= (unsigned long)(-4095)) {\
errno = -(res); \
res = -1; \
} \
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-09-25 16:25:51 +0000