summaryrefslogtreecommitdiff
path: root/arch/parisc
diff options
context:
space:
mode:
Diffstat (limited to 'arch/parisc')
-rw-r--r--arch/parisc/hpux/sys_hpux.c7
-rw-r--r--arch/parisc/include/asm/asm-offsets.h1
-rw-r--r--arch/parisc/include/asm/atomic.h10
-rw-r--r--arch/parisc/include/asm/bug.h4
-rw-r--r--arch/parisc/include/asm/elf.h1
-rw-r--r--arch/parisc/include/asm/fcntl.h5
-rw-r--r--arch/parisc/include/asm/ftrace.h14
-rw-r--r--arch/parisc/include/asm/spinlock.h64
-rw-r--r--arch/parisc/include/asm/spinlock_types.h12
-rw-r--r--arch/parisc/kernel/asm-offsets.c3
-rw-r--r--arch/parisc/kernel/irq.c8
-rw-r--r--arch/parisc/kernel/signal.c1
-rw-r--r--arch/parisc/kernel/smp.c9
-rw-r--r--arch/parisc/kernel/sys_parisc.c30
-rw-r--r--arch/parisc/kernel/sys_parisc32.c6
-rw-r--r--arch/parisc/kernel/unwind.c50
-rw-r--r--arch/parisc/lib/bitops.c4
17 files changed, 115 insertions, 114 deletions
diff --git a/arch/parisc/hpux/sys_hpux.c b/arch/parisc/hpux/sys_hpux.c
index 18072e03a01..92343bd35fa 100644
--- a/arch/parisc/hpux/sys_hpux.c
+++ b/arch/parisc/hpux/sys_hpux.c
@@ -445,12 +445,7 @@ done:
int hpux_pipe(int *kstack_fildes)
{
- int error;
-
- lock_kernel();
- error = do_pipe_flags(kstack_fildes, 0);
- unlock_kernel();
- return error;
+ return do_pipe_flags(kstack_fildes, 0);
}
/* lies - says it works, but it really didn't lock anything */
diff --git a/arch/parisc/include/asm/asm-offsets.h b/arch/parisc/include/asm/asm-offsets.h
new file mode 100644
index 00000000000..d370ee36a18
--- /dev/null
+++ b/arch/parisc/include/asm/asm-offsets.h
@@ -0,0 +1 @@
+#include <generated/asm-offsets.h>
diff --git a/arch/parisc/include/asm/atomic.h b/arch/parisc/include/asm/atomic.h
index 8bc9e96699b..716634d1f54 100644
--- a/arch/parisc/include/asm/atomic.h
+++ b/arch/parisc/include/asm/atomic.h
@@ -27,19 +27,19 @@
# define ATOMIC_HASH_SIZE 4
# define ATOMIC_HASH(a) (&(__atomic_hash[ (((unsigned long) (a))/L1_CACHE_BYTES) & (ATOMIC_HASH_SIZE-1) ]))
-extern raw_spinlock_t __atomic_hash[ATOMIC_HASH_SIZE] __lock_aligned;
+extern arch_spinlock_t __atomic_hash[ATOMIC_HASH_SIZE] __lock_aligned;
/* Can't use raw_spin_lock_irq because of #include problems, so
* this is the substitute */
#define _atomic_spin_lock_irqsave(l,f) do { \
- raw_spinlock_t *s = ATOMIC_HASH(l); \
+ arch_spinlock_t *s = ATOMIC_HASH(l); \
local_irq_save(f); \
- __raw_spin_lock(s); \
+ arch_spin_lock(s); \
} while(0)
#define _atomic_spin_unlock_irqrestore(l,f) do { \
- raw_spinlock_t *s = ATOMIC_HASH(l); \
- __raw_spin_unlock(s); \
+ arch_spinlock_t *s = ATOMIC_HASH(l); \
+ arch_spin_unlock(s); \
local_irq_restore(f); \
} while(0)
diff --git a/arch/parisc/include/asm/bug.h b/arch/parisc/include/asm/bug.h
index 8cfc553fc83..75e46c557a1 100644
--- a/arch/parisc/include/asm/bug.h
+++ b/arch/parisc/include/asm/bug.h
@@ -32,14 +32,14 @@
"\t.popsection" \
: : "i" (__FILE__), "i" (__LINE__), \
"i" (0), "i" (sizeof(struct bug_entry)) ); \
- for(;;) ; \
+ unreachable(); \
} while(0)
#else
#define BUG() \
do { \
asm volatile(PARISC_BUG_BREAK_ASM : : ); \
- for(;;) ; \
+ unreachable(); \
} while(0)
#endif
diff --git a/arch/parisc/include/asm/elf.h b/arch/parisc/include/asm/elf.h
index 9c802eb4be8..19f6cb1a4a1 100644
--- a/arch/parisc/include/asm/elf.h
+++ b/arch/parisc/include/asm/elf.h
@@ -328,7 +328,6 @@ struct pt_regs; /* forward declaration... */
such function. */
#define ELF_PLAT_INIT(_r, load_addr) _r->gr[23] = 0
-#define USE_ELF_CORE_DUMP
#define ELF_EXEC_PAGESIZE 4096
/* This is the location that an ET_DYN program is loaded if exec'ed. Typical
diff --git a/arch/parisc/include/asm/fcntl.h b/arch/parisc/include/asm/fcntl.h
index 1e1c824764e..f357fc693c8 100644
--- a/arch/parisc/include/asm/fcntl.h
+++ b/arch/parisc/include/asm/fcntl.h
@@ -1,14 +1,13 @@
#ifndef _PARISC_FCNTL_H
#define _PARISC_FCNTL_H
-/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
- located on an ext2 file system */
#define O_APPEND 000000010
#define O_BLKSEEK 000000100 /* HPUX only */
#define O_CREAT 000000400 /* not fcntl */
#define O_EXCL 000002000 /* not fcntl */
#define O_LARGEFILE 000004000
-#define O_SYNC 000100000
+#define __O_SYNC 000100000
+#define O_SYNC (__O_SYNC|O_DSYNC)
#define O_NONBLOCK 000200004 /* HPUX has separate NDELAY & NONBLOCK */
#define O_NOCTTY 000400000 /* not fcntl */
#define O_DSYNC 001000000 /* HPUX only */
diff --git a/arch/parisc/include/asm/ftrace.h b/arch/parisc/include/asm/ftrace.h
index 2fa05dd6aee..72c0fafaa03 100644
--- a/arch/parisc/include/asm/ftrace.h
+++ b/arch/parisc/include/asm/ftrace.h
@@ -20,6 +20,20 @@ struct ftrace_ret_stack {
* Defined in entry.S
*/
extern void return_to_handler(void);
+
+
+extern unsigned long return_address(unsigned int);
+
+#define HAVE_ARCH_CALLER_ADDR
+
+#define CALLER_ADDR0 ((unsigned long)__builtin_return_address(0))
+#define CALLER_ADDR1 return_address(1)
+#define CALLER_ADDR2 return_address(2)
+#define CALLER_ADDR3 return_address(3)
+#define CALLER_ADDR4 return_address(4)
+#define CALLER_ADDR5 return_address(5)
+#define CALLER_ADDR6 return_address(6)
+
#endif /* __ASSEMBLY__ */
#endif /* _ASM_PARISC_FTRACE_H */
diff --git a/arch/parisc/include/asm/spinlock.h b/arch/parisc/include/asm/spinlock.h
index fae03e136fa..74036f436a3 100644
--- a/arch/parisc/include/asm/spinlock.h
+++ b/arch/parisc/include/asm/spinlock.h
@@ -5,17 +5,17 @@
#include <asm/processor.h>
#include <asm/spinlock_types.h>
-static inline int __raw_spin_is_locked(raw_spinlock_t *x)
+static inline int arch_spin_is_locked(arch_spinlock_t *x)
{
volatile unsigned int *a = __ldcw_align(x);
return *a == 0;
}
-#define __raw_spin_lock(lock) __raw_spin_lock_flags(lock, 0)
-#define __raw_spin_unlock_wait(x) \
- do { cpu_relax(); } while (__raw_spin_is_locked(x))
+#define arch_spin_lock(lock) arch_spin_lock_flags(lock, 0)
+#define arch_spin_unlock_wait(x) \
+ do { cpu_relax(); } while (arch_spin_is_locked(x))
-static inline void __raw_spin_lock_flags(raw_spinlock_t *x,
+static inline void arch_spin_lock_flags(arch_spinlock_t *x,
unsigned long flags)
{
volatile unsigned int *a;
@@ -33,7 +33,7 @@ static inline void __raw_spin_lock_flags(raw_spinlock_t *x,
mb();
}
-static inline void __raw_spin_unlock(raw_spinlock_t *x)
+static inline void arch_spin_unlock(arch_spinlock_t *x)
{
volatile unsigned int *a;
mb();
@@ -42,7 +42,7 @@ static inline void __raw_spin_unlock(raw_spinlock_t *x)
mb();
}
-static inline int __raw_spin_trylock(raw_spinlock_t *x)
+static inline int arch_spin_trylock(arch_spinlock_t *x)
{
volatile unsigned int *a;
int ret;
@@ -69,38 +69,38 @@ static inline int __raw_spin_trylock(raw_spinlock_t *x)
/* Note that we have to ensure interrupts are disabled in case we're
* interrupted by some other code that wants to grab the same read lock */
-static __inline__ void __raw_read_lock(raw_rwlock_t *rw)
+static __inline__ void arch_read_lock(arch_rwlock_t *rw)
{
unsigned long flags;
local_irq_save(flags);
- __raw_spin_lock_flags(&rw->lock, flags);
+ arch_spin_lock_flags(&rw->lock, flags);
rw->counter++;
- __raw_spin_unlock(&rw->lock);
+ arch_spin_unlock(&rw->lock);
local_irq_restore(flags);
}
/* Note that we have to ensure interrupts are disabled in case we're
* interrupted by some other code that wants to grab the same read lock */
-static __inline__ void __raw_read_unlock(raw_rwlock_t *rw)
+static __inline__ void arch_read_unlock(arch_rwlock_t *rw)
{
unsigned long flags;
local_irq_save(flags);
- __raw_spin_lock_flags(&rw->lock, flags);
+ arch_spin_lock_flags(&rw->lock, flags);
rw->counter--;
- __raw_spin_unlock(&rw->lock);
+ arch_spin_unlock(&rw->lock);
local_irq_restore(flags);
}
/* Note that we have to ensure interrupts are disabled in case we're
* interrupted by some other code that wants to grab the same read lock */
-static __inline__ int __raw_read_trylock(raw_rwlock_t *rw)
+static __inline__ int arch_read_trylock(arch_rwlock_t *rw)
{
unsigned long flags;
retry:
local_irq_save(flags);
- if (__raw_spin_trylock(&rw->lock)) {
+ if (arch_spin_trylock(&rw->lock)) {
rw->counter++;
- __raw_spin_unlock(&rw->lock);
+ arch_spin_unlock(&rw->lock);
local_irq_restore(flags);
return 1;
}
@@ -111,7 +111,7 @@ static __inline__ int __raw_read_trylock(raw_rwlock_t *rw)
return 0;
/* Wait until we have a realistic chance at the lock */
- while (__raw_spin_is_locked(&rw->lock) && rw->counter >= 0)
+ while (arch_spin_is_locked(&rw->lock) && rw->counter >= 0)
cpu_relax();
goto retry;
@@ -119,15 +119,15 @@ static __inline__ int __raw_read_trylock(raw_rwlock_t *rw)
/* Note that we have to ensure interrupts are disabled in case we're
* interrupted by some other code that wants to read_trylock() this lock */
-static __inline__ void __raw_write_lock(raw_rwlock_t *rw)
+static __inline__ void arch_write_lock(arch_rwlock_t *rw)
{
unsigned long flags;
retry:
local_irq_save(flags);
- __raw_spin_lock_flags(&rw->lock, flags);
+ arch_spin_lock_flags(&rw->lock, flags);
if (rw->counter != 0) {
- __raw_spin_unlock(&rw->lock);
+ arch_spin_unlock(&rw->lock);
local_irq_restore(flags);
while (rw->counter != 0)
@@ -141,27 +141,27 @@ retry:
local_irq_restore(flags);
}
-static __inline__ void __raw_write_unlock(raw_rwlock_t *rw)
+static __inline__ void arch_write_unlock(arch_rwlock_t *rw)
{
rw->counter = 0;
- __raw_spin_unlock(&rw->lock);
+ arch_spin_unlock(&rw->lock);
}
/* Note that we have to ensure interrupts are disabled in case we're
* interrupted by some other code that wants to read_trylock() this lock */
-static __inline__ int __raw_write_trylock(raw_rwlock_t *rw)
+static __inline__ int arch_write_trylock(arch_rwlock_t *rw)
{
unsigned long flags;
int result = 0;
local_irq_save(flags);
- if (__raw_spin_trylock(&rw->lock)) {
+ if (arch_spin_trylock(&rw->lock)) {
if (rw->counter == 0) {
rw->counter = -1;
result = 1;
} else {
/* Read-locked. Oh well. */
- __raw_spin_unlock(&rw->lock);
+ arch_spin_unlock(&rw->lock);
}
}
local_irq_restore(flags);
@@ -173,7 +173,7 @@ static __inline__ int __raw_write_trylock(raw_rwlock_t *rw)
* read_can_lock - would read_trylock() succeed?
* @lock: the rwlock in question.
*/
-static __inline__ int __raw_read_can_lock(raw_rwlock_t *rw)
+static __inline__ int arch_read_can_lock(arch_rwlock_t *rw)
{
return rw->counter >= 0;
}
@@ -182,16 +182,16 @@ static __inline__ int __raw_read_can_lock(raw_rwlock_t *rw)
* write_can_lock - would write_trylock() succeed?
* @lock: the rwlock in question.
*/
-static __inline__ int __raw_write_can_lock(raw_rwlock_t *rw)
+static __inline__ int arch_write_can_lock(arch_rwlock_t *rw)
{
return !rw->counter;
}
-#define __raw_read_lock_flags(lock, flags) __raw_read_lock(lock)
-#define __raw_write_lock_flags(lock, flags) __raw_write_lock(lock)
+#define arch_read_lock_flags(lock, flags) arch_read_lock(lock)
+#define arch_write_lock_flags(lock, flags) arch_write_lock(lock)
-#define _raw_spin_relax(lock) cpu_relax()
-#define _raw_read_relax(lock) cpu_relax()
-#define _raw_write_relax(lock) cpu_relax()
+#define arch_spin_relax(lock) cpu_relax()
+#define arch_read_relax(lock) cpu_relax()
+#define arch_write_relax(lock) cpu_relax()
#endif /* __ASM_SPINLOCK_H */
diff --git a/arch/parisc/include/asm/spinlock_types.h b/arch/parisc/include/asm/spinlock_types.h
index 3f72f47cf4b..8c373aa28a8 100644
--- a/arch/parisc/include/asm/spinlock_types.h
+++ b/arch/parisc/include/asm/spinlock_types.h
@@ -4,18 +4,18 @@
typedef struct {
#ifdef CONFIG_PA20
volatile unsigned int slock;
-# define __RAW_SPIN_LOCK_UNLOCKED { 1 }
+# define __ARCH_SPIN_LOCK_UNLOCKED { 1 }
#else
volatile unsigned int lock[4];
-# define __RAW_SPIN_LOCK_UNLOCKED { { 1, 1, 1, 1 } }
+# define __ARCH_SPIN_LOCK_UNLOCKED { { 1, 1, 1, 1 } }
#endif
-} raw_spinlock_t;
+} arch_spinlock_t;
typedef struct {
- raw_spinlock_t lock;
+ arch_spinlock_t lock;
volatile int counter;
-} raw_rwlock_t;
+} arch_rwlock_t;
-#define __RAW_RW_LOCK_UNLOCKED { __RAW_SPIN_LOCK_UNLOCKED, 0 }
+#define __ARCH_RW_LOCK_UNLOCKED { __ARCH_SPIN_LOCK_UNLOCKED, 0 }
#endif
diff --git a/arch/parisc/kernel/asm-offsets.c b/arch/parisc/kernel/asm-offsets.c
index fcd3c707bf1..ec787b411e9 100644
--- a/arch/parisc/kernel/asm-offsets.c
+++ b/arch/parisc/kernel/asm-offsets.c
@@ -244,9 +244,6 @@ int main(void)
DEFINE(THREAD_SZ, sizeof(struct thread_info));
DEFINE(THREAD_SZ_ALGN, align(sizeof(struct thread_info), 64));
BLANK();
- DEFINE(IRQSTAT_SIRQ_PEND, offsetof(irq_cpustat_t, __softirq_pending));
- DEFINE(IRQSTAT_SZ, sizeof(irq_cpustat_t));
- BLANK();
DEFINE(ICACHE_BASE, offsetof(struct pdc_cache_info, ic_base));
DEFINE(ICACHE_STRIDE, offsetof(struct pdc_cache_info, ic_stride));
DEFINE(ICACHE_COUNT, offsetof(struct pdc_cache_info, ic_count));
diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c
index 2e7610cb33d..efbcee5d222 100644
--- a/arch/parisc/kernel/irq.c
+++ b/arch/parisc/kernel/irq.c
@@ -145,7 +145,7 @@ static int cpu_set_affinity_irq(unsigned int irq, const struct cpumask *dest)
#endif
static struct irq_chip cpu_interrupt_type = {
- .typename = "CPU",
+ .name = "CPU",
.startup = cpu_startup_irq,
.shutdown = cpu_disable_irq,
.enable = cpu_enable_irq,
@@ -180,7 +180,7 @@ int show_interrupts(struct seq_file *p, void *v)
if (i < NR_IRQS) {
struct irqaction *action;
- spin_lock_irqsave(&irq_desc[i].lock, flags);
+ raw_spin_lock_irqsave(&irq_desc[i].lock, flags);
action = irq_desc[i].action;
if (!action)
goto skip;
@@ -192,7 +192,7 @@ int show_interrupts(struct seq_file *p, void *v)
seq_printf(p, "%10u ", kstat_irqs(i));
#endif
- seq_printf(p, " %14s", irq_desc[i].chip->typename);
+ seq_printf(p, " %14s", irq_desc[i].chip->name);
#ifndef PARISC_IRQ_CR16_COUNTS
seq_printf(p, " %s", action->name);
@@ -224,7 +224,7 @@ int show_interrupts(struct seq_file *p, void *v)
seq_putc(p, '\n');
skip:
- spin_unlock_irqrestore(&irq_desc[i].lock, flags);
+ raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
}
return 0;
diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c
index e8467e4aa8d..fb37ac52e46 100644
--- a/arch/parisc/kernel/signal.c
+++ b/arch/parisc/kernel/signal.c
@@ -26,7 +26,6 @@
#include <linux/stddef.h>
#include <linux/compat.h>
#include <linux/elf.h>
-#include <linux/tracehook.h>
#include <asm/ucontext.h>
#include <asm/rt_sigframe.h>
#include <asm/uaccess.h>
diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c
index 1fd0f0cec03..3f2fce8ce6b 100644
--- a/arch/parisc/kernel/smp.c
+++ b/arch/parisc/kernel/smp.c
@@ -60,8 +60,6 @@ static int smp_debug_lvl = 0;
#define smp_debug(lvl, ...) do { } while(0)
#endif /* DEBUG_SMP */
-DEFINE_SPINLOCK(smp_lock);
-
volatile struct task_struct *smp_init_current_idle_task;
/* track which CPU is booting */
@@ -69,7 +67,7 @@ static volatile int cpu_now_booting __cpuinitdata;
static int parisc_max_cpus __cpuinitdata = 1;
-DEFINE_PER_CPU(spinlock_t, ipi_lock) = SPIN_LOCK_UNLOCKED;
+static DEFINE_PER_CPU(spinlock_t, ipi_lock);
enum ipi_message_type {
IPI_NOP=0,
@@ -438,6 +436,11 @@ void __init smp_prepare_boot_cpu(void)
*/
void __init smp_prepare_cpus(unsigned int max_cpus)
{
+ int cpu;
+
+ for_each_possible_cpu(cpu)
+ spin_lock_init(&per_cpu(ipi_lock, cpu));
+
init_cpu_present(cpumask_of(0));
parisc_max_cpus = max_cpus;
diff --git a/arch/parisc/kernel/sys_parisc.c b/arch/parisc/kernel/sys_parisc.c
index 71b31957c8f..9147391afb0 100644
--- a/arch/parisc/kernel/sys_parisc.c
+++ b/arch/parisc/kernel/sys_parisc.c
@@ -110,37 +110,14 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
return addr;
}
-static unsigned long do_mmap2(unsigned long addr, unsigned long len,
- unsigned long prot, unsigned long flags, unsigned long fd,
- unsigned long pgoff)
-{
- struct file * file = NULL;
- unsigned long error = -EBADF;
- if (!(flags & MAP_ANONYMOUS)) {
- file = fget(fd);
- if (!file)
- goto out;
- }
-
- flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
-
- down_write(&current->mm->mmap_sem);
- error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
- up_write(&current->mm->mmap_sem);
-
- if (file != NULL)
- fput(file);
-out:
- return error;
-}
-
asmlinkage unsigned long sys_mmap2(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags, unsigned long fd,
unsigned long pgoff)
{
/* Make sure the shift for mmap2 is constant (12), no matter what PAGE_SIZE
we have. */
- return do_mmap2(addr, len, prot, flags, fd, pgoff >> (PAGE_SHIFT - 12));
+ return sys_mmap_pgoff(addr, len, prot, flags, fd,
+ pgoff >> (PAGE_SHIFT - 12));
}
asmlinkage unsigned long sys_mmap(unsigned long addr, unsigned long len,
@@ -148,7 +125,8 @@ asmlinkage unsigned long sys_mmap(unsigned long addr, unsigned long len,
unsigned long offset)
{
if (!(offset & ~PAGE_MASK)) {
- return do_mmap2(addr, len, prot, flags, fd, offset >> PAGE_SHIFT);
+ return sys_mmap_pgoff(addr, len, prot, flags, fd,
+ offset >> PAGE_SHIFT);
} else {
return -EINVAL;
}
diff --git a/arch/parisc/kernel/sys_parisc32.c b/arch/parisc/kernel/sys_parisc32.c
index 76d23ec8dfa..9779ece2b07 100644
--- a/arch/parisc/kernel/sys_parisc32.c
+++ b/arch/parisc/kernel/sys_parisc32.c
@@ -26,13 +26,7 @@
#include <linux/shm.h>
#include <linux/slab.h>
#include <linux/uio.h>
-#include <linux/nfs_fs.h>
#include <linux/ncp_fs.h>
-#include <linux/sunrpc/svc.h>
-#include <linux/nfsd/nfsd.h>
-#include <linux/nfsd/cache.h>
-#include <linux/nfsd/xdr.h>
-#include <linux/nfsd/syscall.h>
#include <linux/poll.h>
#include <linux/personality.h>
#include <linux/stat.h>
diff --git a/arch/parisc/kernel/unwind.c b/arch/parisc/kernel/unwind.c
index a36799e8569..d58eac1a828 100644
--- a/arch/parisc/kernel/unwind.c
+++ b/arch/parisc/kernel/unwind.c
@@ -13,6 +13,7 @@
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/kallsyms.h>
+#include <linux/sort.h>
#include <asm/uaccess.h>
#include <asm/assembly.h>
@@ -115,24 +116,18 @@ unwind_table_init(struct unwind_table *table, const char *name,
}
}
+static int cmp_unwind_table_entry(const void *a, const void *b)
+{
+ return ((const struct unwind_table_entry *)a)->region_start
+ - ((const struct unwind_table_entry *)b)->region_start;
+}
+
static void
unwind_table_sort(struct unwind_table_entry *start,
struct unwind_table_entry *finish)
{
- struct unwind_table_entry el, *p, *q;
-
- for (p = start + 1; p < finish; ++p) {
- if (p[0].region_start < p[-1].region_start) {
- el = *p;
- q = p;
- do {
- q[0] = q[-1];
- --q;
- } while (q > start &&
- el.region_start < q[-1].region_start);
- *q = el;
- }
- }
+ sort(start, finish - start, sizeof(struct unwind_table_entry),
+ cmp_unwind_table_entry, NULL);
}
struct unwind_table *
@@ -417,3 +412,30 @@ int unwind_to_user(struct unwind_frame_info *info)
return ret;
}
+
+unsigned long return_address(unsigned int level)
+{
+ struct unwind_frame_info info;
+ struct pt_regs r;
+ unsigned long sp;
+
+ /* initialize unwind info */
+ asm volatile ("copy %%r30, %0" : "=r"(sp));
+ memset(&r, 0, sizeof(struct pt_regs));
+ r.iaoq[0] = (unsigned long) current_text_addr();
+ r.gr[2] = (unsigned long) __builtin_return_address(0);
+ r.gr[30] = sp;
+ unwind_frame_init(&info, current, &r);
+
+ /* unwind stack */
+ ++level;
+ do {
+ if (unwind_once(&info) < 0 || info.ip == 0)
+ return 0;
+ if (!__kernel_text_address(info.ip)) {
+ return 0;
+ }
+ } while (info.ip && level--);
+
+ return info.ip;
+}
diff --git a/arch/parisc/lib/bitops.c b/arch/parisc/lib/bitops.c
index e3eb739fab1..353963d4205 100644
--- a/arch/parisc/lib/bitops.c
+++ b/arch/parisc/lib/bitops.c
@@ -12,8 +12,8 @@
#include <asm/atomic.h>
#ifdef CONFIG_SMP
-raw_spinlock_t __atomic_hash[ATOMIC_HASH_SIZE] __lock_aligned = {
- [0 ... (ATOMIC_HASH_SIZE-1)] = __RAW_SPIN_LOCK_UNLOCKED
+arch_spinlock_t __atomic_hash[ATOMIC_HASH_SIZE] __lock_aligned = {
+ [0 ... (ATOMIC_HASH_SIZE-1)] = __ARCH_SPIN_LOCK_UNLOCKED
};
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-28 11:30:17 +0000