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authorDavid S. Miller <davem@davemloft.net>2009-12-06 02:22:26 +0300
committerDavid S. Miller <davem@davemloft.net>2009-12-06 02:22:26 +0300
commit28b4d5cc17c20786848cdc07b7ea237a309776bb (patch)
treebae406a4b17229dcce7c11be5073f7a67665e477 /arch/s390
parentd29cecda036f251aee4947f47eea0fe9ed8cc931 (diff)
parent96fa2b508d2d3fe040cf4ef2fffb955f0a537ea1 (diff)
downloadlinux-28b4d5cc17c20786848cdc07b7ea237a309776bb.tar.xz
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Conflicts: drivers/net/pcmcia/fmvj18x_cs.c drivers/net/pcmcia/nmclan_cs.c drivers/net/pcmcia/xirc2ps_cs.c drivers/net/wireless/ray_cs.c
Diffstat (limited to 'arch/s390')
-rw-r--r--arch/s390/Kconfig28
-rw-r--r--arch/s390/include/asm/bug.h2
-rw-r--r--arch/s390/include/asm/spinlock.h29
-rw-r--r--arch/s390/kernel/ftrace.c67
4 files changed, 31 insertions, 95 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 43c0acad7160..16c673096a22 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -95,6 +95,34 @@ config S390
select HAVE_ARCH_TRACEHOOK
select INIT_ALL_POSSIBLE
select HAVE_PERF_EVENTS
+ select ARCH_INLINE_SPIN_TRYLOCK
+ select ARCH_INLINE_SPIN_TRYLOCK_BH
+ select ARCH_INLINE_SPIN_LOCK
+ select ARCH_INLINE_SPIN_LOCK_BH
+ select ARCH_INLINE_SPIN_LOCK_IRQ
+ select ARCH_INLINE_SPIN_LOCK_IRQSAVE
+ select ARCH_INLINE_SPIN_UNLOCK
+ select ARCH_INLINE_SPIN_UNLOCK_BH
+ select ARCH_INLINE_SPIN_UNLOCK_IRQ
+ select ARCH_INLINE_SPIN_UNLOCK_IRQRESTORE
+ select ARCH_INLINE_READ_TRYLOCK
+ select ARCH_INLINE_READ_LOCK
+ select ARCH_INLINE_READ_LOCK_BH
+ select ARCH_INLINE_READ_LOCK_IRQ
+ select ARCH_INLINE_READ_LOCK_IRQSAVE
+ select ARCH_INLINE_READ_UNLOCK
+ select ARCH_INLINE_READ_UNLOCK_BH
+ select ARCH_INLINE_READ_UNLOCK_IRQ
+ select ARCH_INLINE_READ_UNLOCK_IRQRESTORE
+ select ARCH_INLINE_WRITE_TRYLOCK
+ select ARCH_INLINE_WRITE_LOCK
+ select ARCH_INLINE_WRITE_LOCK_BH
+ select ARCH_INLINE_WRITE_LOCK_IRQ
+ select ARCH_INLINE_WRITE_LOCK_IRQSAVE
+ select ARCH_INLINE_WRITE_UNLOCK
+ select ARCH_INLINE_WRITE_UNLOCK_BH
+ select ARCH_INLINE_WRITE_UNLOCK_IRQ
+ select ARCH_INLINE_WRITE_UNLOCK_IRQRESTORE
config SCHED_OMIT_FRAME_POINTER
bool
diff --git a/arch/s390/include/asm/bug.h b/arch/s390/include/asm/bug.h
index 7efd0abe8887..efb74fd5156e 100644
--- a/arch/s390/include/asm/bug.h
+++ b/arch/s390/include/asm/bug.h
@@ -49,7 +49,7 @@
#define BUG() do { \
__EMIT_BUG(0); \
- for (;;); \
+ unreachable(); \
} while (0)
#define WARN_ON(x) ({ \
diff --git a/arch/s390/include/asm/spinlock.h b/arch/s390/include/asm/spinlock.h
index 41ce6861174e..c9af0d19c7ab 100644
--- a/arch/s390/include/asm/spinlock.h
+++ b/arch/s390/include/asm/spinlock.h
@@ -191,33 +191,4 @@ static inline int __raw_write_trylock(raw_rwlock_t *rw)
#define _raw_read_relax(lock) cpu_relax()
#define _raw_write_relax(lock) cpu_relax()
-#define __always_inline__spin_lock
-#define __always_inline__read_lock
-#define __always_inline__write_lock
-#define __always_inline__spin_lock_bh
-#define __always_inline__read_lock_bh
-#define __always_inline__write_lock_bh
-#define __always_inline__spin_lock_irq
-#define __always_inline__read_lock_irq
-#define __always_inline__write_lock_irq
-#define __always_inline__spin_lock_irqsave
-#define __always_inline__read_lock_irqsave
-#define __always_inline__write_lock_irqsave
-#define __always_inline__spin_trylock
-#define __always_inline__read_trylock
-#define __always_inline__write_trylock
-#define __always_inline__spin_trylock_bh
-#define __always_inline__spin_unlock
-#define __always_inline__read_unlock
-#define __always_inline__write_unlock
-#define __always_inline__spin_unlock_bh
-#define __always_inline__read_unlock_bh
-#define __always_inline__write_unlock_bh
-#define __always_inline__spin_unlock_irq
-#define __always_inline__read_unlock_irq
-#define __always_inline__write_unlock_irq
-#define __always_inline__spin_unlock_irqrestore
-#define __always_inline__read_unlock_irqrestore
-#define __always_inline__write_unlock_irqrestore
-
#endif /* __ASM_SPINLOCK_H */
diff --git a/arch/s390/kernel/ftrace.c b/arch/s390/kernel/ftrace.c
index f5fe34dd821b..5a82bc68193e 100644
--- a/arch/s390/kernel/ftrace.c
+++ b/arch/s390/kernel/ftrace.c
@@ -203,73 +203,10 @@ out:
#ifdef CONFIG_FTRACE_SYSCALLS
-extern unsigned long __start_syscalls_metadata[];
-extern unsigned long __stop_syscalls_metadata[];
extern unsigned int sys_call_table[];
-static struct syscall_metadata **syscalls_metadata;
-
-struct syscall_metadata *syscall_nr_to_meta(int nr)
-{
- if (!syscalls_metadata || nr >= NR_syscalls || nr < 0)
- return NULL;
-
- return syscalls_metadata[nr];
-}
-
-int syscall_name_to_nr(char *name)
-{
- int i;
-
- if (!syscalls_metadata)
- return -1;
- for (i = 0; i < NR_syscalls; i++)
- if (syscalls_metadata[i])
- if (!strcmp(syscalls_metadata[i]->name, name))
- return i;
- return -1;
-}
-
-void set_syscall_enter_id(int num, int id)
-{
- syscalls_metadata[num]->enter_id = id;
-}
-
-void set_syscall_exit_id(int num, int id)
+unsigned long __init arch_syscall_addr(int nr)
{
- syscalls_metadata[num]->exit_id = id;
-}
-
-static struct syscall_metadata *find_syscall_meta(unsigned long syscall)
-{
- struct syscall_metadata *start;
- struct syscall_metadata *stop;
- char str[KSYM_SYMBOL_LEN];
-
- start = (struct syscall_metadata *)__start_syscalls_metadata;
- stop = (struct syscall_metadata *)__stop_syscalls_metadata;
- kallsyms_lookup(syscall, NULL, NULL, NULL, str);
-
- for ( ; start < stop; start++) {
- if (start->name && !strcmp(start->name + 3, str + 3))
- return start;
- }
- return NULL;
-}
-
-static int __init arch_init_ftrace_syscalls(void)
-{
- struct syscall_metadata *meta;
- int i;
- syscalls_metadata = kzalloc(sizeof(*syscalls_metadata) * NR_syscalls,
- GFP_KERNEL);
- if (!syscalls_metadata)
- return -ENOMEM;
- for (i = 0; i < NR_syscalls; i++) {
- meta = find_syscall_meta((unsigned long)sys_call_table[i]);
- syscalls_metadata[i] = meta;
- }
- return 0;
+ return (unsigned long)sys_call_table[nr];
}
-arch_initcall(arch_init_ftrace_syscalls);
#endif