diff options
| author | Tejun Heo <tj@kernel.org> | 2011-05-24 09:59:36 +0200 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2011-05-24 09:59:36 +0200 |
| commit | 6988f20fe04e9ef3aea488cb8ab57fbeb78e12f0 (patch) | |
| tree | c9d7fc50a2e2147a5ca07e3096e7eeb916ad2da9 /arch/s390/oprofile/init.c | |
| parent | 0415b00d175e0d8945e6785aad21b5f157976ce0 (diff) | |
| parent | 6ea0c34dac89611126455537552cffe6c7e832ad (diff) | |
Merge branch 'fixes-2.6.39' into for-2.6.40
Diffstat (limited to 'arch/s390/oprofile/init.c')
| -rw-r--r-- | arch/s390/oprofile/init.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/arch/s390/oprofile/init.c b/arch/s390/oprofile/init.c index 16c76def4a9d..c63d7e58352b 100644 --- a/arch/s390/oprofile/init.c +++ b/arch/s390/oprofile/init.c @@ -18,6 +18,11 @@ #include <linux/fs.h> #include "../../../drivers/oprofile/oprof.h" + +extern void s390_backtrace(struct pt_regs * const regs, unsigned int depth); + +#ifdef CONFIG_64BIT + #include "hwsampler.h" #define DEFAULT_INTERVAL 4096 @@ -37,8 +42,6 @@ static int hwsampler_running; /* start_mutex must be held to change */ static struct oprofile_operations timer_ops; -extern void s390_backtrace(struct pt_regs * const regs, unsigned int depth); - static int oprofile_hwsampler_start(void) { int retval; @@ -172,14 +175,22 @@ static void oprofile_hwsampler_exit(void) hwsampler_shutdown(); } +#endif /* CONFIG_64BIT */ + int __init oprofile_arch_init(struct oprofile_operations *ops) { ops->backtrace = s390_backtrace; +#ifdef CONFIG_64BIT return oprofile_hwsampler_init(ops); +#else + return -ENODEV; +#endif } void oprofile_arch_exit(void) { +#ifdef CONFIG_64BIT oprofile_hwsampler_exit(); +#endif } |